Select the correct answer. Given the following formula, solve for y. w=x-y/2-z

Answers

Answer 1

After answering the presented question, we can conclude that expressions Therefore, the answer is: y = -2w + 2x + 2z

what is expression ?

In mathematics, you can double, divide, add, or subtract something. The following is an expression: Expression, numerical value, and math operator A mathematical expression is made up of numbers, parameters, and functions. Opposing sentences and expressions are possible. An expression, often known as an algebraic expression, is any mathematical statement that contains variables, numbers, and a mathematical action between them. For example, the phrase 4m + 5 is made up of the phrases 4m and 5, as well as the variable m from the above equation, which are all separated by the mathematical sign +.

To solve for y

[tex]w = x - y/2 - z\\2w = 2x - y - 2z\\2w - 2x - 2z = -y\\y = -2w + 2x + 2z[/tex]

Therefore, the answer is:

y = -2w + 2x + 2z

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Related Questions

Graph the equation.
y=5|x|

Answers

Answer:

Hope this helps :)

Step-by-step explanation:

Because x is an absolute value, the value of y is always greater than or equal to zero. I attached the graph below. As you'll see, when x is a negative number, it was the same value as the positive of that value. When x = 1 or x = -1, y = 5.

The following figure is made of 3 triangles and 1 rectangle.
H
248
B
2
Figure
Triangle A
Triangle B
Rectangle C
Triangle D
Whole figure
C2
2
A
D
Find the area of each part of the figure and the whole figure.
2
4
6
Area (square units)

Answers

The area of each part of the figure and then the whole figure, can be found to be :

Triangle A - Triangle B - 2 Rectangle C - 4 Triangle D - Whole figure -

How to find the area ?

The area of Triangle A would be :

= 1 / 2 x  Base x height

= 1 / 2 x ( 2 + 2 + 6 ) x 4

= 1 / 2 x 10 x 4

= 20 units ²

The area of Triangle D is :

= 1 / 2 x base x height

= 1 / 2 x 6 x 2

= 6 units ²

The area of the whole figure would then be:

= 20 + 2 + 4 + 6

= 32 units ²

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Complete the equation that has $(3,4)$ as a solution.

y= _x--2

Answers

Answer: Your welcome!

Step-by-step explanation:

y= 3x-2; This is a linear equation with a slope of 3 and a y-intercept of -2, which has the solution (3,4).

Thanks! #BO

Finnd the equation of straight line passing through the point (3a,0) and (0,3b) also shwo that the line passese throught the poinits (a , 2bb)

Answers

The point (a,2b) is on the line, and the equation of the line passing through (3a,0) and (0,3b) is y = (-a/b)x + 3b

We can use the two-point form of the equation of a straight line to find the equation passing through the points (3a,0) and (0,3b).

The two-point form of a straight line is given by,

y - y1 = m(x - x1)

where (x1, y1) and (x, y) are two points on the line, and m is the slope of the line.

Let's take the point (3a,0) as (x1, y1) and the point (0,3b) as (x, y). Then, we have:

y - 3b = [(0 - 3a)/(3b - 0)](x - 0)

Simplifying this, we get:

y - 3b = (-a/b)x

y = (-a/b)x + 3b

This is the equation of the line passing through (3a,0) and (0,3b).

Now, to show that this line passes through the point (a,2b), we substitute x = a and y = 2b into the equation of line:

2b = (-a/b)a + 3b

2b = -a + 3b

a = b

Therefore, the point (a,2b) is on the line

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The sample space for tossing a coin 3 times is {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}.

Determine P(2 tails).

12.5%
37.5%
50%
75%

Answers

The value οf P(2 tails) is 37.5%, the cοrrect οptiοn is B.

What is the prοbability?

Prοbability refers tο a pοssibility that deals with the οccurrence οf randοm events.

The prοbability οf all the events οccurring need tο be 1.

The fοrmula οf prοbability is defined as the ratiο οf a number οf favοurable οutcοmes tο the tοtal number οf οutcοmes.

P(E) = Number οf favοurable οutcοmes / tοtal number οf οutcοmes

We are given that;

The sample space=  {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}

Nοw,

The sample space fοr tοssing a cοin 3 times is {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}, where H represents heads and T represents tails.

Tο determine P(2 tails), we need tο cοunt the number οf οutcοmes in which there are 2 tails, and divide that by the tοtal number οf οutcοmes:

Number οf οutcοmes with 2 tails: There are three οutcοmes with 2 tails: TTH, THT, and HTT.

Tοtal number οf οutcοmes: There are eight οutcοmes in tοtal.

P(2 tails) = number οf οutcοmes with 2 tails / tοtal number οf οutcοmes = 3/8 = 0.375, which is equivalent tο 37.5%.

Therefοre, the prοbability the answer will be 37.5%.

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B) The formula of connecting mass and weight is
W=m x acceleration due to gravity. What is the value of acceleration due to gravtiy on Earth

Answers

The acceleration due to gravity on Earth is approximately 9.81 meters per second squared (m/s^2)

Acceleration due to gravity is the acceleration experienced by an object when it is dropped or falls freely in a gravitational field. On Earth, the value of acceleration due to gravity is approximately 9.81 meters per second squared. This means that if an object is dropped from a certain height, its velocity will increase by 9.81 m/s^2 for every second it falls.

The formula connecting mass and weight, W = m x g, shows that weight is directly proportional to the acceleration due to gravity. This means that as the value of acceleration due to gravity changes, the weight of an object will also change accordingly. The value of acceleration due to gravity is an important factor in various fields, including physics, engineering, and astronomy.

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A line has a slope of 1/ 6 and passes through the point (–6,6). Write its equation in slope-intercept form.

Answers

Answer:

Step-by-step explanation:

The equation of the line with a slope of 1/6 passes through the point (-6, 5) is y=(1/6)x+6.

What is the equation of a line?

A line is a one-dimensional shape that is straight, has no thickness, and extends in both directions indefinitely. The equation of line is given by,

y =mx + c

where,

x is the coordinate of the x-axis,

y is the coordinate of the y-axis,

m is the slope of the line, and

c is y-intercept.

Given that a line with a slope of 1/6 passes through the point (-6, 5). Therefore, we can write,

y = mx + c

Substitute the values,

5 = (1/6)(-6) + C

5 = -1 + C

5 + 1 = C

C = 6

Hence, the equation of the line with a slope of 1/6 passes through the point (-6, 5) is y=(1/6)x+6.

Answer:

y = (1/6)x + 7

Step-by-step explanation:

The slope-intercept form of the equation of a line is y = mx + b, where m is the slope and b is the y-intercept.

We know that the line has a slope of 1/6 and passes through the point (-6, 6). To find the y-intercept, we can substitute the values of the point into the equation and solve for b:

y = mx + b

6 = (1/6)(-6) + b

6 = -1 + b

b = 7

Now that we know the slope and y-intercept, we can write the equation of the line in slope-intercept form:

y = (1/6)x + 7

Therefore, the equation of the line in slope-intercept form is y = (1/6)x + 7.

(Please could you kindly mark my answer as brainliest)

someone help me plsss

Answers

The Answer:

The answer to the equation that Clare gets is:

X1= -3/2 + 7/2i , X2= -3/2 - 7/2i.

The Explanation:

4x^2+12x+58=0

2x^2+6x+29=0

a=2, b=6, c=29

use the distance formula and the slope of segments to identify the type of quadrilateral

T(-3,-3), U(4, 4), V(0, 6), W(-5, 1)

Answers

The given quadrilateral is a parallelοgram and a kite.

What are quadrilaterals?

Quadrilaterals are pοlygοns that have fοur sides, fοur vertices, and fοur angles. They are twο-dimensiοnal shapes that can be classified based οn their prοperties, such as the lengths οf their sides, the measures οf their angles, and the presence οf parallel sides οr right angles. Sοme cοmmοn types οf quadrilaterals include:

Nοw,

Tο identify the type οf quadrilateral fοrmed by the vertices T(-3,-3), U(4, 4), V(0, 6), and W(-5, 1), we need tο first find the lengths οf the sides and the slοpes οf the segments cοnnecting the vertices.

Using the distance fοrmula, we get:

[tex]TU = \sqrt{[(4 - (-3))^2 + (4 - (-3))^2]} = \sqrt {[7^2 + 7^2]} = \sqrt{(98)[/tex]

[tex]UV = \sqrt{[(0 - 4)^2+ (6 - 4)^2]} = \sqrt{[(-4)^2 + 2^2]} = \sqrt{(20)[/tex]

[tex]VW = \sqrt{[(-5 - 0)^2 + (1 - 6)^2]}= \sqrt{[(-5)^2+ (-5)^2]} = \sqrt{(50)[/tex]

[tex]WT = \sqrt{[(-5 - (-3))^2+ (1 - (-3))^2]} = \sqrt{[(-2)^2 + 4^2]} = \sqrt{(20)[/tex]

Next, we can find the slοpes οf the segments:

TU: m = (4 - (-3))/(4 - (-3)) = 1

UV: m = (6 - 4)/(0 - 4) = -1/2

VW: m = (1 - 6)/(-5 - 0) = 1

WT: m = (1 - (-3))/(-5 - (-3)) = -1/2

Nοw we can use these measurements tο identify the type οf quadrilateral:

Oppοsite sides are parallel: VW and TU have slοpes οf 1 and slοpes οf -1 respectively. Therefοre, the quadrilateral is a parallelοgram.

Twο adjacent sides are cοngruent: TU and UV have lengths οf sqrt(98) and sqrt(20) respectively. Therefοre, the quadrilateral is nοt a rhοmbus.

Diagοnals bisect each οther: The diagοnals TV and UW intersect at (2, 1.5), which is the midpοint οf bοth diagοnals. Therefοre, the quadrilateral is a parallelοgram.

One pair οf οppοsite sides are perpendicular: The slοpes οf UV and WT are -1/2, and the prοduct οf their slοpes is -1. Therefοre, the quadrilateral is a kite.

All sides are cοngruent: The lengths οf the sides are nοt all equal. Therefοre, the quadrilateral is nοt a square.

Thus, the quadrilateral fοrmed by the given vertices is a parallelοgram and a kite.

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HELPPPPP
In 2005, a sample of a radioactive substance had a mass of 600 milligrams. Since then, the sample has decayed by 4.8% each year.
Lett be the number of years since 2005. Let y be the mass of the substance in milligrams.
Write an exponential function showing the relationship between y and t.

Answers

The exponential function that relates the mass of the substance to the number of years since 2005 is: [tex]y = 600 \times e^(-0.048t)[/tex]  . [Where t is a number of years since 2005, and y is mass of the substance in milligrams at that time.]

What is an exponential function?

An exponential function is a mathematical function of the form[tex]f(x) = a^x,[/tex] representing a rapid increase or decrease in value as x increases or decreases.

It represents a rapid growth or decay in value as the independent variable changes, and is used to model many natural phenomena such as population growth, compound interest, and radioactive decay.

The radioactive decay of the substance follows an exponential decay model. The formula for exponential decay is:

[tex]y = a * e^(-rt)[/tex]

Where:

y - amount of substance at time t.

a - initial amount of the substance.

r - decay rate per unit of time.

t - time elapsed since the start of the decay.

In this case, we know that the initial mass of the substance in 2005 was 600 milligrams. We also know that the substance decays by [tex]4.8[/tex]  % each year, which means that the decay rate per year is [tex]0.048[/tex]  (4.8% expressed as a decimal).

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Relative to the origin O, the position vectors of two points A and B are a and b respectively. b is a unit vector and the magnitude of a is twice that of b. The angle between a and b is 60°. Show that [a×[ob + (1-o)a] =√k, where k is a constant to be determined.​

Answers

Answer:

|a × [ob + (1 - o)a]| = √(7 - 8o(a · o) - 8(a · o)^2)

where k = 7 - 8o(a · o) - 8(a · o)^2.

Step-by-step explanation:

Given the position vectors of two points A and B as a and b respectively, where b is a unit vector, and the magnitude of a is twice that of b, we are asked to show that:

|a × [ob + (1-o)a]| = √k,

where k is a constant to be determined.

We can begin by expanding the vector inside the cross product:

ob + (1 - o)a = ob + a - oa

Since b is a unit vector, we can write:

ob = b - o

Substituting this into the previous equation, we get:

ob + (1 - o)a = b - o + a - oa = b + (1 - o)a - oa

Next, we can use the vector cross product formula:

|a × b| = |a||b|sinθ

where θ is the angle between a and b.

We are given that the angle between a and b is 60°, so we can substitute this value into the formula:

|a × b| = |a||b|sin60° = (2|b|)(1)(√3/2) = √3

Now we can calculate the cross product of a and the vector we just derived:

a × [ob + (1 - o)a] = a × (b + (1 - o)a - oa)

= a × (b + a - oa)

= a × b + a × a - a × oa

Since b is a unit vector, we know that a × b is a vector perpendicular to both a and b, and therefore perpendicular to the plane containing a and b. The vector a × a is 0 since the cross product of a vector with itself is 0. Finally, we can use the vector triple product to simplify a × oa:

a × oa = (a · a)o - (a · o)a = |a|^2 o - (a · o)a

Since |a| is twice |b|, we have:

|a|^2 = 4|b|^2 = 4

Substituting this back in, we get:

a × oa = 4o - (a · o)a

Putting it all together, we have:

a × [ob + (1 - o)a] = a × b + 4o - (a · o)a

Now we can take the magnitude squared of both sides:

|a × [ob + (1 - o)a]|^2 = (a × b + 4o - (a · o)a) · (a × b + 4o - (a · o)a)

Expanding the dot product, we get:

|a × [ob + (1 - o)a]|^2 = |a × b|^2 + 16o^2 + |a|^2(o · o) - 8o(a · o)b + 8(a · o)(a × b) - 2(a · o)^2|a|^2

Substituting the values we derived earlier, we get:

|a × [ob + (1 - o)a]|^2 = 3 + 16o^2 + 4(o · o) - 8o(a · o) + 0 - 2(a · o)^2(4)

= 7 - 8o(a · o) - 8(a · o)^2

Now we need to find the value of k such that the left-hand side equals k:

|a × [ob + (1 - o)a]|^2 = k

Using the vector triple product again, we can simplify the left-hand side as:

|a × [ob + (1 - o)a]|^2 = |a|^2|ob + (1 - o)a|^2 - ((a · [ob + (1 - o)a])^2)

Since we know that the magnitude of a is twice that of b, we have:

|a|^2 = 4|b|^2 = 4

Substituting this back in, we get:

|a × [ob + (1 - o)a]|^2 = 4|ob + (1 - o)a|^2 - ((a · [ob + (1 - o)a])^2)

Now we can substitute the expanded expression for ob + (1 - o)a:

|a × [ob + (1 - o)a]|^2 = 4|b + (1 - o)a|^2 - ((a · [b + (1 - o)a - oa])^2)

= 4|b|^2 + 8|b|(1 - o)(a · b) + 4(1 - o)^2|a|^2 - ((a · b + (1 - o)(a · b) - (a · o)(a · b))^2)

= 4 + 8(1 - o)(a · b) + 4(1 - o)^2(4) - ((a · b + (1 - o)(a · b) - (a · o)(a · b))^2)

= 28 - 8o(a · b) - 8(a · o)^2

Substituting this back into the previous equation, we get:

28 - 8o(a · b) - 8(a · o)^2 = k

Therefore, we have:

|a × [ob + (1 - o)a]| = √(28 - 8o(a · b) - 8(a · o)^2)  and

k = 28 - 8o(a · b) - 8(a · o)^2

Hope this helps! Sorry if it's wrong! If you need more help, ask me! :]

The probability that each item coming off a production line is defective is p and the probability that it is non-defective is q, 0 < p < 1, p + q = 1. At the beginning of a day’s production, a quality control officer repeatedly inspects items each coming off a production line until he inspects n items. Let X be the number of defective items he finds. (a) Write down without proof the probability that X = k, indicating the possible values of k. Hence, by considering the expansion of 〖(p+q)〗^n+〖(q-p)〗^n. Show that the probability that X is even is 1/2[1+〖(1-2p)〗^n] .(Note that 0 is an even number) (b) Find the expected value of X, and write down without proof the variance of X. (c) If E(X) = 0.0125 and Var(X) = 0.9875, find to 4 decimal places the probability that X is odd.

Answers

From the given information provided, the expected value of X = np, the variance of X = npq and the probability that X is odd is 0.4824 rounded to four decimal places.

(a) The probability of finding k defective items out of n can be calculated using the binomial distribution:

P(X=k) = C(n,k) ×[tex]p^k[/tex] × [tex]q^(n-k)[/tex], where C(n,k) is the binomial coefficient.

The possible values of K: 0, 1, 2, ..., n.

To show that the probability that X is even is 1/2[1+(1-2p)ⁿ], we use the binomial theorem to expand (p+q)ⁿ+(q-p)ⁿ as:

(p+q)ⁿ + (q-p)ⁿ = ∑[k=0,n]C(n,k) × [tex]p^k[/tex] × [tex]q^(n-k)[/tex] + ∑[k=0,n]C(n,k) × [tex](-1)^k[/tex] × [tex]p^k[/tex]× [tex]q^(n-k)[/tex]

The first sum corresponds to the probability of finding an even number of defective items, while the second sum corresponds to the probability of finding an odd number of defective items. Therefore,

P(X is even) = (1/2)[(p+q)ⁿ + (q-p)ⁿ]

= (1/2)[(p+q)ⁿ - (p-q)ⁿ] (since q-p = 1-2p)

= (1/2)[(1)ⁿ + (1-2p)ⁿ] (since p+q = 1)

Thus, the probability that X is even is 1/2[1+(1-2p)ⁿ].

(b) The expected value of X is:

E(X) = ∑[k=0,n]k × P(X=k)

= ∑[k=0,n]k × C(n,k) × [tex]p^k[/tex]× [tex]q^(n-k)[/tex]

Using the identity ∑[k=0,n]k × C(n,k) ×[tex]p^k[/tex] × [tex]q^(n-k)[/tex] = np, the expected value simplifies to:

E(X) = np

The variance of X is given by:

Var(X) = E(X²) - [E(X)]²

= ∑[k=0,n]k² × P(X=k) - (np)²

= ∑[k=0,n]k² × C(n,k) × [tex]p^k[/tex] × [tex]q^(n-k)[/tex]- n²p²

Using the identity ∑[k=0,n]k² × C(n,k) ×[tex]p^k[/tex] × [tex]q^(n-k)[/tex] = n(n-1)p² + npq, the variance simplifies to:

Var(X) = n(n-1)p² + npq - n²p²

= npq

(c) Using the formula for the expected value and variance of X, we can write:

0.0125 = E(X) = np

0.9875 = Var(X) = npq

Solving for p and q, we obtain:

p = 0.01 and q = 0.99

Therefore, the probability that X is odd can be calculated using the formula for the probability that X is even derived in part (a):

P(X is odd) = 1 - P(X is even)

= 1 - 1/2[1+(1-2p)ⁿ]

= 1 - 1/2[1+(1-2*0.01)ⁿ]

= 1/2[1-(0.98)ⁿ]

Substituting n = 1/0.98 ln(0.0125/0.01) = 24.68

P(X is odd) = 0.482

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What is the equation of the line parallel to the given line
with an x-intercept of 4?
y = x+

Answers

Answer:

y = 4x - 16

Step-by-step explanation:

Parallel lines have the same slope. Find slope using the points (-3, -3) and (-1, 5)

slope = m = (5 - -3) / (-1 - -3) = 8/2 = 4

y = mx + b      find b using the point (4, 0), the x-intercept of the parallel line

0 = 4(4) + b

b = -16

equation of the parallel line:

y = 4x - 16

Which of the following shapes has 2 circular bases and a curved surface?

Right circular cone
Right circular cylinder
Right pyramid
Sphere

Answers

Answer: B. A right circular Cylinder

Step-by-step explanation:

i need help with this i did it so could you tell me if it's correct if it's not can you help me out

Answers

The answer is: Logan's rope is longer than Sam's rope.

What is fraction?

A number that represents a part of a whole or a ratio between two quantities, written as a numerator over a denominator. It consists of a numerator (top) and a denominator (bottom) separated by a fraction bar. For example, 1/2 represents one-half of a whole or the ratio of one to two.

Part A:

Brittney's rope is shorter than Sam's rope because it is 4/5 as long as Sam's rope.

Logan's rope is longer than Sam's rope because it is 1 1/4 times as long as Sam's rope.

Holly's rope is equal to Sam's rope because it is 8/8 (which simplifies to 1) as long as Sam's rope.

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A shopkeeper bought 50 pangas and 30 jembes from a wholesaler A for sh 4260. Had he bought half as many jembes and 5pangas less,he would have sh 1290 less. Had the shopkeeper bought from wholesaler B,he would have paid 25% more for a pangas and 15 %less for a jembe. How much would he have saved if he had bought the 50 pangas and 30 jembes from wholesaler B

Answers

The shopkeeper would have saved 4756.25 - 4260 = 496.25 shillings.

What is the linear equation?

A linear equation is an algebraic equation of the form y=mx+b. where m is the slope and b is the y-intercept. We have a graph.

Let the cost of one panga be x and one jembe be y.

From the given information, we can form the following equations:

50x + 30y = 4260 --- Equation 1

25x/2 + (30/2 - 5)y = 2970 --- Equation 2

50(1.25)x + 30(0.85)y = total cost from wholesaler B --- Equation 3

Simplifying equation 2:

25x/2 + 10y - 5y = 2970

25x/2 + 5y = 2970

25x + 10y = 5940

Simplifying equation 3:

62.5x + 25.5y = total cost from wholesaler B

To solve for x and y, we can use any method of our choice. For simplicity, we will use elimination:

Multiplying equation 1 by 5:

250x + 150y = 21300 --- Equation 4

Multiplying equation 2 by 2:

25x + 20y = 5940 --- Equation 5

Subtracting equation 5 from equation 4:

225x + 130y = 15360

Substituting the value of y from equation 5:

225x + 130(297 - 2.5x) = 15360

225x + 38610 - 325x = 15360

-100x = -23250

x = 232.5

Substituting the value of x in equation 1:

50(232.5) + 30y = 4260

y = 85

Therefore, the cost of one panga is 232.5 shillings and the cost of one jembe is 85 shillings.

To find out how much the shopkeeper would have saved if he had bought from wholesaler B, we need to calculate the total cost from wholesaler B:

50(1.25)(232.5) + 30(0.85)(85) = 4756.25

The total cost from wholesaler A was 4260 shillings.

Therefore, the shopkeeper would have saved 4756.25 - 4260 = 496.25 shillings.

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the number of netflix subscribers in latin america has increased a lot in recent years the number of paid subscribers from 2018-2020 was:

Answers

Answer: 37.5 million

Step-by-step explanation:

I looked it up

Graph the function. State the domain and range. f(x) =[x-2]

Answers

Answer: Domain: All x-values

Range: All y-values

Step-by-step explanation:

Please help !!!! I need to the answers asap

Answers

The possible rational roots of the polynomial are ±1/2, ±1, ±3/2, ±3, ±9/2, ±9 while the actual roots are 1, -3, 3/2

What are the possible and real rational roots

To find the possible rational roots of the polynomial 2x^3 + x^2 - 12x + 9 = 0, we can use the rational root theorem. According to the theorem, if a polynomial with integer coefficients has a rational root p/q (where p and q are integers with no common factors other than 1), then p must be a factor of the constant term (in this case, 9) and q must be a factor of the leading coefficient (in this case, 2).

The factors of 9 are ±1, ±3, and ±9, and the factors of 2 are ±1 and ±2. Therefore, the possible rational roots of the polynomial are:

±1/2, ±1, ±3/2, ±3, ±9/2, ±9

We can now use synthetic division or long division to check which of these possible roots are actual roots of the polynomial. After checking, we find that the real rational root of the polynomial are x = 1, -3, 3/2

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Is 4.284 an irrational number?

Answers

Answer: "An irrational number is a number that cannot be expressed as a ratio between two integers and is not an imaginary number.

Since 4.284 is not the square root of a negative number, it is not imaginary

Since 4.284 is a rational number from above, 4.284 is not an irrational number"

Step-by-step explanation: /\ I looked at a calculator for irrational numbers. Should be right, considering how it's well explained. Just search for "irrational number calculator". Dont rely on that. But it's there if

you need it! :)

No

It is a rational number since it is a fraction/decimal that isn't non-terminating, not is it pi or

PLEASE HELP MARKING BRAINLEIST JUST ANSWER ASAP

Answers

Answer:

The perimeter is the sum of all the sides of the rectangle. So, adding up all the given sides, we get:

Perimeter = 2u + u + 10 + u + 10 + 8u

Simplifying the expression by combining like terms, we get:

Perimeter = 12u + 20

Therefore, the simplified answer for the perimeter is 12u + 20.

Which property of equality could be used to solve -3x=348

Answers

By solving the equation -3x = 348, we find that the value of x is -116.

The property of equality that could be used to solve -3x = 348 is the multiplication property of equality, which states that if we multiply both sides of an equation by the same non-zero number, the equation remains equivalent. In this case, we can divide both sides of the equation by -3 to isolate x and solve for it.

Using the multiplication property of equality, we can multiply both sides by -1/3:

(-1/3) * (-3x) = (-1/3) * 348

Simplifying:

x = -116

Therefore, the solution to the equation -3x = 348 is x = -116.

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What is the greatest number of tens that can live in the tens house?

Answers

The greatest number of tens that can live in the tens house is 9.

The greatest number of tens that can live in the tens house depends on how many digits there are in the number.

Let's start with a two-digit number, like 99. In this number, the leftmost digit represents the number of tens, so we want to find the largest digit that can be in that place.

Since we are limited to using only the digits 0-9, the largest digit that can be in the tens place is 9.

Now, let's consider a three-digit number, like 456. Again, we want to find the largest digit that can be in the hundreds place.

Since we are limited to using only the digits 0-9, the largest digit that can be in the hundreds place is also 9. So, we can have up to 9 groups of ten (or 90) in the hundreds place.

In the tens place, we can again have up to 9 groups of ten, and in the units place, we can have any digit from 0-9.

Therefore, the greatest number of tens that can live in the tens house in a three-digit number is 9.

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"A construction company has a number of trucks designed to haul different amounts. The line plot displays the weight each truck can haul. If all the trucks are working at the same time, how many tons can the trucks carry?" I would also like a explanation too please

Answers

The line plot shows that the construction company has a number of trucks, each of which is designed to haul different amounts of weight.

If all of these trucks are working at the same time, we can calculate how many tons the trucks can carry in total. In order to do this, we need to look at the range of weight each truck is capable of carrying, and then add all of these numbers together.
In order to determine how many tons the trucks can carry, we need to use the information provided by the line plot. The line plot displays the weight each truck can haul, which is given in pounds. We need to convert the weight in pounds to tons in order to find the total weight that the trucks can carry.

To do this, we can use the following conversion factor:1 ton = 2000 poundsWe can use this conversion factor to convert the weight of each truck from pounds to tons. Once we have done this, we can add up the weights of all the trucks to find the total weight that the trucks can carry. Here are the steps:

Step 1: Convert the weight of each truck from pounds to tons Truck 1: 6,000 pounds ÷ 2,000 pounds/ton = 3 tons Truck 2: 9,000 pounds ÷ 2,000 pounds/ton = 4.5 tons Truck 3: 8,000 pounds ÷ 2,000 pounds/ton = 4 tons Truck 4: 10,000 pounds ÷ 2,000 pounds/ton = 5 tons Truck 5: 11,000 pounds ÷ 2,000 pounds/ton = 5.5 tons Truck 6: 9,500 pounds ÷ 2,000 pounds/ton = 4.75 tons

Step 2: Add up the weights of all the trucks3 + 4.5 + 4 + 5 + 5.5 + 4.75 = 26.75 tons. The trucks can carry 26.75 tons in total.

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Tristan has $1. 40 worth of nickels and dimesm he has twice as many nickels as dimes

Answers

Tristan has 14 nickels and 7 dimes worth of $1. 40.

This is because 1 nickel is worth 5 cents and 1 dime is worth 10 cents.

Let's use the following variables to represent the number of nickels and dimes Tristan has:

n = number of nickels

d = number of dimes

We know that Tristan has $1.40 worth of nickels and dimes. Each nickel is worth $0.05 and each dime is worth $0.10, so we can write an equation based on their values:

0.05n + 0.1d = 1.4

We also know that Tristan has twice as many nickels as dimes:

n = 2d

We can substitute n = 2d into the first equation and solve for d:

0.05(2d) + 0.1d = 1.4

0.1d + 0.1d = 1.4

0.2d = 1.4

d = 7

So Tristan has 7 dimes. Using n = 2d, we can find the number of nickels:

n = 2(7) = 14

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FARMING A dairy farmer has 2650 dairy cows on his farm. If each dairy cow produces 2320 gallons of milk per year, how much milk does the dairy farm yield in one year?

Answers

The dairy farm yields 6,158,000 gallons of milk in one year, assuming that each cow produces 2320 gallons per year.

What is total amount?

The term "total amount" refers to the complete or full quantity or sum of something. It is the complete amount of something without any deductions or subtractions.

According to question:

To calculate the total amount of milk the dairy farm yields in one year mathematically, we need to multiply the number of dairy cows by the amount of milk each cow produces in a year.

Let's represent the number of dairy cows as "C" and the amount of milk produced per cow per year as "M". Using this notation, we can write:

Total amount of milk produced in one year = Number of cows x Amount of milk per cow

= C x M

Substituting the given values, we have:

C = 2650 (number of dairy cows)

M = 2320 gallons (amount of milk per cow per year)

Total amount of milk produced in one year = 2650 x 2320

= 6,158,000 gallons

Therefore, the dairy farm yields 6,158,000 gallons of milk in one year, assuming that each cow produces 2320 gallons per year.

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Answer:

6.158 x 10^6

Step-by-step explanation:

Converted answer above to scientific notation.

the density of apple juice is 1.04 grams per cm³
the density of fruit syrup is 1.6 grams per cm³
the density of sparkling water is 0.99 grams per cm³
35 cm³ of apple juice are mixed with 25 cm³ of fruit syrup and 270 cm³ of sparkling water to make a drink with a volume of 330 cm³
work out the density of the drink

Answers

Therefore, the density of the drink is approximately 1.04 grams per cm³.

What is volume?

Volume is a measure of the amount of space occupied by a three-dimensional object or substance. It is the amount of space inside an object or container and is usually measured in cubic units such as cubic meters (m³), cubic centimeters (cm³), or cubic feet (ft³).

Given by the question.

To calculate the density of the drink, we need to first calculate the total mass of the drink, which is the sum of the masses of apple juice, fruit syrup, and sparkling water.

Mass of apple juice = volume of apple juice x density of apple juice = 35 cm³ x 1.04 g/cm³ = 36.4 g

Mass of fruit syrup = volume of fruit syrup x density of fruit syrup = 25 cm³ x 1.6 g/cm³ = 40 g

Mass of sparkling water = volume of sparkling water x density of sparkling water = 270 cm³ x 0.99 g/cm³ = 267.3 g

Total mass of the drink = mass of apple juice + mass of fruit syrup + mass of sparkling water

= 36.4 g + 40 g + 267.3 g

= 343.7 g

Now we can calculate the density of the drink by dividing the total mass by the volume of the drink:

Density of the drink = total mass of the drink / volume of the drink = 343.7 g / 330 cm³ = 1.04 g/cm³ (approx.)

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Miguel and Kala each opened a savings account today. Miguel opened his account with a starting amount of $ 320 , and he is going to put in $ 85 per month. Kala opened her account with a starting amount of $ 820 , and she is going to put in $ 35 per month. Let x be the number of months after today.
a)
For each account, write an expression for the amount of money in the account after months.

(b)
Write an equation to show when the two accounts would have the same amount of money.

Answers

Answer:

Miguel's account: M(x) = 320 + 85x

Kala's account: K(x) = 820 + 35x

b) To find when the two accounts would have the same amount of money, we need to set M(x) equal to K(x) and solve for x:

320 + 85x = 820 + 35x

Simplifying the equation, we get:

50x = 500

Dividing both sides by 50, we get:

x = 10

Therefore, the two accounts would have the same amount of money after 10 months.

Find [fog](x) and [gof](x), if they exist. State the domain and range for each.
5.f(x) = -3x
g(x) = x +8

6. f(x) = 2x²-x + 1
g(x) = 4x + 3

Answers

Given functions:
f(x) = -3x
g(x) = x + 8
To find fog, we need to substitute g(x) into f(x):

f(g(x)) = f(x + 8) = -3(x + 8) = -3x - 24

The domain of fog(x) is the set of all real numbers since g(x) is defined for all real numbers.

The range of fog(x) is also the set of all real numbers since for any value of x, we can find a corresponding value of f(g(x)).

To find gof, we need to substitute f(x) into g(x):

g(f(x)) = g(-3x) = -3x + 8

The domain of gof(x) is the set of all real numbers since f(x) is defined for all real numbers.

The range of gof(x) is the set of all real numbers since for any value of x, we can find a corresponding value of g(f(x)).

Given functions:
f(x) = 2x²-x + 1
g(x) = 4x + 3
To find fog, we need to substitute g(x) into f(x):

f(g(x)) = f(4x + 3) = 2(4x + 3)² - (4x + 3) + 1 = 32x² + 47x + 20

The domain of fog(x) is the set of all real numbers since g(x) is defined for all real numbers.

The range of fog(x) is the set of all real numbers since for any value of x, we can find a corresponding value of f(g(x)).

To find gof, we need to substitute f(x) into g(x):

g(f(x)) = g(2x² - x + 1) = 4(2x² - x + 1) + 3 = 8x² - x + 7

The domain of gof(x) is the set of all real numbers since f(x) is defined for all real numbers.

The range of gof(x) is the set of all real numbers since for any value of x, we can find a corresponding value of g(f(x)).

Julie is backpacking to the Blue Ridge Mountains. She starts from M, travels a 3 3/8 mi to N, travels 2 1/4 mi to P, then walks 4 11/24 mi back towards M. If M, N, and P lie on a straight path, how far is Julie from the starting point M?

Answers

Julie is trekking to the Blue Ridge Mountains, therefore she is 10 1/12 miles from the beginning point M.

what is distance ?

Distance in mathematics is a numerical representation of the actual area between two points. The shortest distance between those two points is how long the path is. The Pythagorean theorem, which asserts that in a right triangle, the sum of the squares of the lengths of the two legs (the sides perpendicular to one another) is equal to the square of the length of the hypotenuse, is used to determine the distance between two locations in a two-dimensional plane (the longest side, opposite the right angle).

given

We must determine Julie's total distance traveled before we can determine how far she is from the beginning location M. By combining the distances between each location, we may determine this:

3 3/8 miles from M to N

2 1/4 miles from N to P

P returning to M: 4 11/24 miles

We must identify a common denominator in order to aggregate these distances. Because it can be divided by 8, 4, and 3, we may pick 24 as the common denominator.

From M to N, the distance is 3 3/8 miles (or 27/8 kilometers). From N to P, it is 2 1/4 kilometers (or 9 kilometers).

We may now multiply the distances:

27/8 + 9/4 + 107/24 = (81 + 54 + 107) / 24

= 242/24

= 10 1/12

Julie is trekking to the Blue Ridge Mountains, therefore she is 10 1/12 miles from the beginning point M.

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