Find the distance between the two points in simplest radical form. (0, -3) (8,2)

Answer:

b

Step-by-step explanation:

15^2= 225

[tex]5\sqrt{3}= 8.66025404\\8.66025404^{2} = 75\\225+75=300\\\\10\sqrt{3}=17.3205081\\17.3205081{2}= 300\\\\225+75=300\\300=300[/tex]

Answer:

2949.44 Step-by-step explanation: 18,434x4 - four trucks = 73736 73736x.04-2949.44

we get - x³ + 3 x² - 6 after subtracting x³ - 2 x² from x² - 6.

We are given two expressions:

x³ - 2 x²

x² - 6

We need to subtract x³ - 2 x² from x² - 6

We get the expression as:

x² - 6 - (x³ - 2 x²)

Opening the brackets, we get that:

= x² - 6 - x³ + 2 x²

Combining the like terms, we get that:

= 3 x² - x³ - 6

Simplifying the expression, we get that:

= - x³ + 3 x² - 6

Therefore, we get - x³ + 3 x² - 6 after subtracting x³ - 2 x² from x² - 6.

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Answer: A

Step-by-step explanation: Translate up 1 unit, over to the right 5

Answer:

6-1

Step-by-step explanation:

For the car travelling with 55 miles per hour-

The distance is a actual length of a path taken by the object.

For, the values given in the question;

1. The unit rate speed for this car is ___ miles per hour

S = D/T

S = 55 miles per hour.

Rate of speed is the same as the speed.

Thus,

The unit rate speed for this car is 55 miles per hour

2. if the car has driven 1/2 (0.5) hours, it traveled ___ miles

S = D/T

D = S×T

S = 55 miles per hour.

T = 0.5

Put the values;

D = 55×0.5

D = 275 miles.

Thus, the car travelled 275 miles.

3. if the car has driven 1 1/2 (1.5) hours, it has traveled ___ miles

S = D/T

D = S×T

S = 55 miles per hour.

Put the values;

D = 55×1.5

D = 825 miles.

Thus, the car travelled 825 miles.

4 If the car has travelled 110 miles, it will take ___ hours

S = D/T

S = 55 miles per hour.

D = 110 miles

T = D/S

Put the values;

T = 110/55

T = 2 hours.

Thus, the time taken by car is 2 hours.

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Answer:

29

Step-by-step explanation:

Itvis the correct answer in my opinion

The length of the diagonal YW of rectangle WXYZ is; 5 units.

The diagonals of a rectangle are congruent and so;

YW ≅ XZ

Thus; YW = XZ = b

Now, given the three sides of right triangle XWZ, we can solve for XZ using Pythagorean Theorem:

(XW)² + (WZ)² = (XZ)²

Plugging in the relevant values gives;

3² + 4² = b²

9 + 16 = b²

25 = b²

b = √25

b = 5

Thus, we can conclude that the length of the diagonal YW is 5 units.

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Answer:

Your answer is $11,362

I hope this helps!

40% is the probability the note is from friend A.

The lab mates leave notes equally often,

Probability of A 50%

Probability of B 50%

Probability A talks about computer science at 80%

Probability B talks about computer science at  30%

chance that the note is from a friend A is

                              A = 50% X 80%

                                 = 40%

Hence, 40% is the probability the note is from friend A

Probability is a way to gauge how likely something is to happen. Many things are difficult to forecast with absolute confidence. Using it, we can only make predictions about how probable an event is to happen, or its chance of happening.

By simply dividing the favorable number of possibilities by the entire number of possible outcomes, the probability of an occurrence can be determined using the probability formula.

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I think this is the answer, I totally forgot what distributive property is.

wait. im not so sure, ignore me if you don't think im right

The value of x is 1/ 5

Algebraic expressions are expressions that comprise of variables, factors, coefficients, terms and constants.

They are also made up of mathematical operations such as addition, division, multiplication, subtraction, etc

Given the expression:

3/ 5x + 22 = 28

collect like terms

3/ 5x = 28 - 22

3/ 5x = 6

cross multiply

5x × 6 = 3

30x = 6

Makr 'x' the subject

x = 6/ 30

x = 1/ 5

Thus, the value of x is 1/ 5

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Answer:

4. a plan to win debate about the novels main message, and your favorite words 4. a plan to win debate about the novels main message, and your favorite words 4. a plan to win debate about the novels main message, and your favorite words

Step-by-step explanation:

The answer is [tex]2x\leq 25[/tex] .

It is given that twice of x is at most .

“At most” refers to a maximum amount.

“At most” means that any number less than the number presented is acceptable or true,

In mathematically , it is represented as

[tex]2x\leq 25[/tex]

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Answer:

The constant would be 3 in the question

Step-by-step explanation:

The truth value of the statement; If pigs can fly, then 2+5=7   is false.

The term syllogism has to do with logical reasoning. In this case, the premise must lead to the conclusion. The premise is the basis upon which we could draw the conclusion. The truth value of the premise is what determines the truth value of the conclusion as one naturally follows from the other.

Now, in this case we have a conditional statement. Recall that a conditional statement is an if – then statement. The truth value of the premise has an impact on the truth value of the conclusion. We have the statement written in the manner; If pigs can fly, then 2+5=7 .

We know that pigs can not fly. This is a false premise. However, the conclusion that has been given is true by the principle of addition in mathematics. The truth value of the statement is false.

An example of a truth value in which both the premise and the conclusion are true is; If lions are wild animals then lions are one of the animals found in the forest.

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Answer:

last one h babysat for 6 hours

Answer:0.289x100

Step-by-step explanation:

Answer:

n ≥ - 5

Step-by-step explanation:

10 - 5/1 + 7n ≥ - 30 , simplifying left side

10 - 5 + 7n ≥ - 30

5 + 7n ≥ - 30 ( subtract 5 from both sides )

7n ≥ - 35 ( divide both sides by 7 )

n ≥ - 5

Answer:

To 2 decimal places, we have 91584.38.

For Part F- Option C is correct.

1.5 days for 1 m2 of reef to accumulate 30 mmol of CaCO3

Graph of carbonate concentration versus time calcification rate.

At 270 umol/kg of seawater carbonate ion concentratio the approximate rate of calcification will be 20 mmol CaCO3 per m2 per day.

So it will take 1.5 days for 1 m2 of reef to accumulate 30 mmol of CaCO3

For Part G-

At 250 umol/kg of seawater carbonate ion concentratio the approximate rate of calcification will be 10 mmol CaCO3 per m2 per day.

So it will take 3 days for 1 m2 of reef to accumulate 30 mmol of CaCO3

The rate at which corals that form reefs lay down their calcium carbonate skeleton is known as coral calcification. It serves as a gauge of coral growth, which is crucial for the sustainability of reef ecosystems.

The long-term biodiversity, and possibly the existence, of coral reefs depends on significant reductions in global CO2 emissions as well as good management of water quality to lessen macroalgal competition and aid coral recovery.

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Using the equation of a circle, it is found that the value of y is -4.

Equation of the circle:

A circle is a closed curve that is drawn from the fixed point called the center, in which all the points on the curve are having the same distance from the center point of the center.

The equation of a circle with (h, k) center and r radius is given by:

(x-h)² + (y-k)² = r²

Given,

The points (0, 5) and (0, −5) are the endpoints of the diameter of a circle.

The point (3, y) is on the circle, in quadrant 4.

Here we need to find the value of y.

The center is the midpoint of them, thus:

[tex]x=\frac{0+0}{2}=0\\ y=\frac{5-5}{2}=0[/tex]

So, the midpoint is (0,0).

The diameter(twice the radius) is the distance between these two points, so:

[tex]2r=\sqrt{(0-0)^2+(5-(-5))^2}[/tex]

=> 2r = √0+100

=> 2r = √100

=> 2r = 10

=> r = 5

Thus, the equation of the circle is:

=> x² + y² = r²

Apply the values,

=> x² + y² = 5²

=> x² + y² = 25

The point (3,y) is on the circle, in quadrant 4. This means that:

Replacing x by 3, we can find the value of y.

Quadrant 4 means that y < 0.

Then:

=> 3² + y² = 25

=> y² = 25 - 9

=> y² = 16

=> y = ±√16

=> y = - 4

The value of y is -4.

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6(20+4) is the equivalent to 6(24) using the distributive property.

The distributive Property states that it is necessary to multiply each of the two numbers by the factor before performing the addition operation when a factor is multiplied by the sum or addition of two terms. This property states that multiplying the total of two or more addends by a number will produce the same outcome as multiplying each addend by the number separately and then adding the results together.

In other words, an expression of the type

A (B + C) can be resolved as A (B + C) = AB + AC in accordance with the distributive property.

This characteristic also holds for subtraction.

A(B-C) = AB-AC

given that 6(24)

now compare the 6(24) with general form of distribution property a(b+c) = ab + ac

a = 6 and b+c = 24

Consequently, we must identify two integers the sum is 24.

These numbers 20 and 4 are suitable.

so,

6(20+4) = 6(20) + 6(4)

144 = 144

Hence, the 6(20+4) is the equivalent to 6(24) using the distributive property.

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6 half-lives are required for the concentration of reactant to decrease to 1.56% of its original value.

Using integrated rate law for first order kinetics as:

[tex][A_t]=[A_0]e^{-kt}[/tex]

Where

[tex][A_t][/tex]is the concentration at time t

[tex][A_0][/tex] is the initial concentration.

Given,

Concentration is decreased to 1.56 % which means that 0.0156 of [tex][A_0][/tex] is decomposed. So,

=> [tex]\frac{[A_t]}{[A_0]}[/tex] = 0.0156

Thus

=> 0.0156 = [tex]e^{-kt}[/tex]

When we simplify it,

Then we get,

kt = 4.1604

k = 4.1604/t

The expression for the half life is:-

Half life = 15.0 hours

[tex]t_{1/2}=\frac{ln2}{k}[/tex]

Where, k is rate constant

So,

[tex]k=\frac{ln2}{t_{1/2}}[/tex]

Apply the value of k then.

[tex]\frac{4.1604}{t}=\frac{ln2}{t_{1/2}}[/tex]

Therefore,

[tex]t=6\times t_{1/2}[/tex]

Therefore, 6 half-lives are required for the concentration of reactant to decrease to 1.56% of its original value.

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The set of numbers ordered from least to greatest is- 41/3, 14, √200.

Here, we are given a set of numbers- √200, 14, 41/3

In order to compare the numbers, we first need to convert all of them into decimal or integer numbers.

Let us analyze them one by one

1. √200

we know that √100 = 10

⇒ √200 = 10√2

√2 = 1.414

Thus, 10√2 = 14.14

2. 14

As we can clearly see 14 < 14.14

⇒ 14 < √200

3. 41/3

Dividing 41 by 3, we get-

13.66

Now, we can see that 13.66 < 14 < 14.14

⇒ 41/3 < 14 < √200

Thus, the set of numbers ordered from least to greatest is- 41/3, 14, √200.

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From equation 1 and 2, you can see that XY = YZ  and Z = ZW, hence according to the transitive property, we can conclude that XY ≅ ZW.

A midpoint is a point that divides a line of a segment into two equal parts. It also means that the point bisects the given line.

If the point Y is the midpoint of XZ, then;

XY + YZ = XZ and;

XY = YZ .........1

Similarly, if Z is the midpoint of YW, then;

YZ + ZW = YW and;

YZ = ZW ..........2

From equation 1 and 2, you can see that XY = YZ  and Z = ZW, hence according to the transitive property, we can conclude that XY ≅ ZW.

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The best estimation for the area of the triangle is option (C) 21 square units  

The base of the triangles = 6 units

The height of the triangle = 7 units

We know,

The area is  the total space taken by the surface of an object.

Area of the triangle is the half the product of its base length and height.

The area of the triangle = (1/2)×b×h

Where b is the base of the triangle

h is the height of the triangle

Substitute the values in the equation

The area of the triangle = (1/2)× 6× 7

= (1/2)× 42

= 21 square units

Hence, the best estimation for the area of the triangle is option (C) 21 square units  

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Answer: 4,567,654,232

Step-by-step explanation:

2,567,653,987+2,000,000,245=

4,567,653,987+245=4,567,654,232

For this analysis,  4/25  is the f-ratio.

What is f- ratio?

SS between = 30

SS within = 60

Mean square of regression = 30/2 = 15

Mean square of error = 60/15 = 4

So f ratio = 15/4 = 3.75

So it's answer is D.

Solution(15)

Df between = Df total - Df within = 29-27 = 2

So it's answer is b. I.e. 2

Solution(16)

If Df = 18 and there are two independent sample than total sample size = 18+2 = 20

So it's answer is A

Solution(17)

N1=10

N2 = 15

So DF = 10+15-2 = 23

So it's answer is C. I.e. 23

Solution(18)

D = (M1-M2)/spooled = (35-31)/25 = 4/25

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The simplified expression for the expression 2y - 7x + 4x² + 3y + 7x is

D. 5y + 4x²

Option D is the correct answer.

We have,

To simplify the expression 2y - 7x + 4x² + 3y + 7x, we combine like terms:

The like terms are:

2y and 3y

-7x and 7x

Group the terms with "y" together: 2y + 3y = 5y

Group the terms with "x" together: -7x + 7x = 0

Combining (1) and (2) for the expression.

Now the expression becomes:

5y + 4x²

Thus,

The simplified expression for the expression 2y - 7x + 4x² + 3y + 7x is

D. 5y + 4x²

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