"If PQ+ RS = PS and RS = XY, then PQ + XY = PS"




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Answer:

Make y the subject of the formula which will give the answer below

y=1/3x-3

select C

Answer:

See explanation

Step-by-step explanation:

d=degree change

d=-4-27

d=-31 degrees

the price of the Shredmaster 5000 will be $ 959.2 and the function is g (x) = 0.8 x for x > 1000.

If the purchase is made for $ 1000 and above. the discount = 20 %

Now the cost of Shredmaster 5000 = $ 1199

Now, the price after the discount will be

Price = 1199 - 20 % of 1199

Price = 1199 - 20 / 100 × 1199

Price = 1199 - 0.20 × 1199
Price = 1199 - 239.8

Price = $ 959.2

The function will be:

g (x) = x - 0.2 x

g (x) = 0.8 x for x > 1000.

Therefore, the price of the Shredmaster 5000 will be $ 959.2 and the function is g (x) = 0.8 x for x > 1000.

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The equation formed for the expression "The difference of 3 times a number and 12 is -24", is 3x - 12 = - 24, which gives the number, x = -4.

In the question, we are asked to write and solve an equation to find the number, given that the difference between 3 times the number and 12 is -24.

We assume the number to be x.

The sentence given to us is the difference between 3 times the number and 12.

Three times the number is 3x.

The difference between 3 times the number and 12 can be shown as 3x - 12.

We are given that the difference between 3 times the number and 12 is -24.

This can be shown as 3x - 12 = - 24.

This is the required equation.

To solve this, we do the following steps:

3x - 12 = -24.

Adding 12 to both sides, we get:

3x - 12 + 12 = - 24 + 12,

or, 3x = -12.

Now, we divide both sides by 3, to get:

3x/3 = -12/3,

or, x = -4.

Thus, the equation formed for the expression "The difference of 3 times a number and 12 is -24", is 3x - 12 = - 24, which gives the number, x = -4.

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Tiffany's effective interest is compounded weekly is 0.1604% greater than the compounded semiannually.

Compound interest is when you earn interest on both the money you've saved and the interest you earn.

Given,

The interest rate i= 8.145%

Number of weeks in an year n= 52

We know,

Effective interest rate =[tex](1+\frac{i}{n})^{n}-1[/tex]

Substitute the values

[tex]R_{1}=(1+\frac{0.08145}{52})^{52}-1\\ R_{1}= 0.084789[/tex]

Case 2

Compounded semiannually

[tex]R_{2}=(1+\frac{0.08145}{2})^{2}-1\\ R_{2}=0.083108[/tex]

The difference is

[tex]R_{1}-R_{2}= 0.084789-0.083185[/tex]

=0.001604

=0.1604%

Hence, the Tiffany's effective interest is compounded weekly is 0.1604% greater than the compounded semiannually

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The weight average of the coordinates is 1

The given parameters are:

The weight average is then calculated as:

Weight average = Sum of (Weight * Coordinate)/Sum of Weights

So, we have:

Weight average = (-2 * 1 + 0 * 1 + 3 * 2)/(1 + 1 + 2)

Evaluate the quotient

Weight average = 1

Hence, the weight average of the coordinates is 1

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Answer:

17

Step-by-step explanation:

the absolute value function always gives a positive result , that is

| - a | = | a | = a

| - 5 | + | 12 |

= | 5 | + 12

= 5 + 12

= 17

To empty the tank in the shape of prism completely, Colin has to wait 150 minutes for the water of the pond to at zero level.

What is the prism volume formula?

Given :

A pond in the shape of a prism.

Colin uses a pump to empty the pond. The level goes down by 20 cm in the first 30 minutes.

Solution :

We know that the volume of the prism is given by,

Volume = ( Base area ) × height

Base area = 1/2 ( 1.4 + 0.6 ) × 2    ⇒2 m²

Volume  = 2 × 1 = 2m³

Given that the level of pond goes down by 20 cm in the first 30 minutes. Therefore, the volume becomes,

Volume = 2 × 0.8 = 1.6m³

Now, the rate of emptying the tank is,

[tex]= \frac{2 - 16}{30} = \frac{1}{75}[/tex]  m³/min

time = volume / rate

        = [tex]\frac{2}{\frac{1}{75} }[/tex]  = 150

Therefore, Colin has to wait 150 minutes for the pond to completely empty

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Answer: Even functions

Symmetric about the yy-axis

When you plug -x−x into the function, it will simplify to be the same as the original function. This means that it doesn’t matter whether you plug in xx or -x−x, your output will be the same. So

f(-x)=f(x)f(−x)=f(x)

Below are graphs that are even and symmetric about the yy-axis.

even functions are symmetric about the y-axis

Odd functions

Symmetric about the origin

When you plug -x−x into the function, it will simplify to be negative of the original function, or the original function multiplied by -1−1. This means that when you plug -x−x into the function, you’ll get the same output as you do when you plug in xx, except it will be negative (or have the opposite sign as the original output). So

f(-x)=-f(x)f(−x)=−f(x)

Below are graphs that are odd and symmetric about the origin. Be sure to visually compare quadrants that are diagonal from each other (quadrants 1 and 3, and quadrants 2 and 4).

odd functions are symmetric about the origin

Neither even nor odd

Not symmetric about the yy-axis, and not symmetric about the origin

The function has no symmetry. It’s possible that a graph could be symmetric to the xx-axis, but then it wouldn’t pass the Vertical Line Test and therefore wouldn’t be a function.

functions that are neither even nor odd

hope this helps!!

Answer:

7

Step-by-step explanation:

a=additive inverse of -7

-7+a=0

-7+7+a=0+7   ==> add 7 on both sides to isolate 'a'

a=7

Answer:

74,009,234= 7^6+ 9^3+2^2+3^1+4^0

Step-by-step explanation:

The area of parallelogram is Base(B) × Height(H).

The quantity of square units that make up a polygon determines its area. Similar to a carpet or area rug, area is two dimensional.

A parallelogram is a four-sided structure made up of two parallel line pairs. The length of opposing sides and the magnitude of opposing angles are both equal. Multiply the base by the height to determine the area. The equation is:

A = B × H,

where B stands for base

H for height

A parallelogram must have a perpendicular base and height. A parallelogram's lateral sides aren't parallel to the base, though. As a result, the height is represented by a dotted line. Let's examine a few instances when the area of a parallelogram is involved.

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12 lies between 9 and 16 so √12 lies between 3 and 4.

Perfect square-: Those whole numbers in which we can pair the factors are known as perfect square.

We can write the number 40 as 2 × 2 × 2 × 5. This is not a perfect square because we cannot pair the factors.

Factor, in mathematics, a number or algebraic expression that divides another number or expression evenly—i.e., with no remainder. For example, 3 and 6 are factors of 12 because 12 ÷ 3 = 4 exactly and 12 ÷ 6 = 2 exactly.

We write 40−−√ to be the square root of 40, and can investigate between which two whole numbers it lies.

Consider the table of perfect squares below:

Whole number 1 2 3 4 5 6 7 8 9 10 11 12

Whole number squared 1 4 9 16 25 36 49 64 81 100 121 144

The number 40 lies between 36 and 49 hence 40−−√ lies between 6 and 7.

Similarly, 12 lies between 9 and 16 so √12 lies between 3 and 4.

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The number of bowls of clay that is left will be 8/5 lb.

A fraction number is a number that represents the part of the whole, where the whole can be any number. It is in the form of a numerator and a denominator.

kai is using clay to make bowls. Each bowl uses 4/5 Ib of clay.

Kai has 2²/₅ Ib of clay.

Then the amount of clay that is left will be

⇒ 2²/₅ - 4/5

⇒ 12/5 - 4/5

⇒ (12 - 4) / 5

⇒ 8/5

The amount of clay that is left will be 8/5 lb.

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The method used to collect data for the given scenario is: observational study.

Now,

Hence, the method used to collect data is observation, i.e., observational study is being made here.

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(COMPLETE QUESTION:

Use the drop-down menus to identify the method used to collect data for each scenario.

While standing in front of the school, Jace recorded the number of students who walked, rode their bikes, took the bus, and were driven there.)

Each sum using distributive property is given as follows:

1) 12+20= 3(4+5)

2) 36+15= 3(12+5)

3) 24+18= 6(4+3)

4) 20+50= 10(2+5)

5) 6+22= 2(3+11)

6) 60+25= 5(12+5)

Given, sum to be represented by distributive property.

1)

12+20= 3(4+5)

Factors of 12 = 2 × 2 × 3

Factors of 20 = 2 × 2 × 5

GCF of 12 and 20 = 4

Take 4 common from 12 and 20.

Representing in a(b+c) .

4(3+5)

2)

36+15= 3(12+5)

Factors of 36 = 2 × 2 × 3 × 3

Factors of 15 = 3 × 5

GCF of 36 and 15 = 3

Take 3 common from 36 and 15.

Representing in a(b+c) .

3(12+5)

3)

24+18= 6(4+3)

Factors of 24 = 2 × 2 × 2 × 3

Factors of 18 = 2 × 3 × 3

GCF of 24 and 18 = 4

Take 5 common from 24 and 18.

Representing in a(b+c) .

6(4+3)

4)

20+50= 10(2+5)

Factors of 50 = 2 × 5 × 5

Factors of 20 = 2 × 2 × 5

GCF of 50 and 20 = 10

Take 10 common from 50 and 20.

Representing in a(b+c) .

10(2+5)

5)

6+22= 2(3+11)

Factors of 22 = 2 × 11

Factors of 6 = 2 × 3

GCF of 22 and 6 = 2

Take 2 common from 22 and 6 .

Representing in a(b+c) .

2(3+11)

6)

60+25= 5(12+5)

Factors of 60 = 2 × 2 × 3 × 5

Factors of 25 = 5 × 5

GCF of 60 and 25 = 5

Take 5 common from 60 and 25.

Representing in a(b+c) .

5(12+5)

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Two lines are said to be parallel when slopes are same. If EF∥GH  and E(−2,4),F(−7,−4),G(−5,2), and H(x, -6) then x is -3.

Parallel lines are straight lines that never meet each other no matter how long we extend them.

Given;

G(-5,2),E(−2,4),F(−7,−4),G(−5,2), and H(x, -6).

Two lines are said to be parallel when slopes are same.

The equation of line passing through two points is y-y1=m(x-x1)

where m is the slope

The equation of line EF is

y-4=8/5(x+2)

Here slope is 8/5.

The equation of line GH is

y-2=-8/(x-2)(x+5)....*

As the two lines are parallel, the slopes must be equal.

In * the slope should be 8/5,so

x-2=-5

x=-3

Therefore the value of x is -3.

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Answer:

  10√2

Step-by-step explanation:

You want the simplified form of the radical expression 2√200 -10√2.

Radicals are simplified by removing perfect squares from under the radical. Radicals with the same radicand are "like terms" and can be combined.

  [tex]2\sqrt{200}-10\sqrt{2}=2\sqrt{10^2\cdot2}-10\sqrt{2}\\\\=2\cdot10\sqrt{2}-10\sqrt{2}=(20-10)\sqrt{2}=\boxed{10\sqrt{2}}[/tex]

Answer:

[tex]10 \sqrt{2} [/tex]

Step-by-step explanation:

Simplify.

[tex]2 \sqrt{200} \\ = 2 \sqrt{100 \times 2 } \: \: \: \: \\ = 2 \sqrt{100} \times \sqrt{2} \\ = 2 \times 10 \times \sqrt{2} \\ = 20 \sqrt{2} \: \: \: \: \: \: \: \: \: \: \: \: \: \:[/tex]

Now let us solve the given expression.

[tex]2 \sqrt{200} - 10 \sqrt{2} \\ 20 \sqrt{2} - 10 \sqrt{2} \\ 10 \sqrt{2} [/tex]

Pairs of  congruent angles are: ∠J ≅ ∠T; ∠K ≅ ∠S; ∠L ≅ ∠R; ∠M ≅ ∠Q

A proportion of their corresponding sides is: JK/TS = KL/SR = LM/RQ = JM/TQ

When two polygons are similar to each other, they have the same shape but different sizes. Therefore, they will have pairs of angles that are congruent to each other and pairs of corresponding sides that have ratios that are the same, which means they have the same proportion.

Given polygons JKLM and TSRQ, the corresponding congruent angles are:

∠J ≅ ∠T

∠K ≅ ∠S

∠L ≅ ∠R

∠M ≅ ∠Q

A proportion of their corresponding sides would be:

JK/TS = KL/SR = LM/RQ = JM/TQ

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The simplification of the given algebraic expression is;

yz = (z + 1)/z(z - 1)

We are given y left parenthesis z right parenthesis which is expressed as; yz

Now, we are given the algebraic expression that yz equals space fraction numerator z squared minus 1 over denominator z left parenthesis z minus 1 right parenthesis squared end fraction

z squared minus 1 over denominator z left parenthesis z minus 1 right parenthesis squared end fraction is expressed as; (z² - 1)/z(z - 1)²

Thus, our main expression is;

yz = (z² - 1)/z(z - 1)²

Factorizing the numerator and denominator gives;

yz = (z + 1)(z - 1)/z(z - 1)(z - 1)

(z - 1) is common to both numerator and denominator and as such, we now have;

yz = (z + 1)/z(z - 1)

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Answer:

see explanation

Step-by-step explanation:

the shaded area is calculated as

outer circle area - inner circle area

since CAB is a tangent to the inner circle at A then OAB = 90° and

Δ OAB is right

using Pythagoras' identity in the right triangle to express R in terms of r and d , then

R² = d² + r²

------------------------------------------

A( outer Δ ) = πR² = π(d² + r² ) = πd² + πr²

A ( inner Δ ) = πr²

Then

shaded area = πd² + πr² - πr² = πd²

Answer:

x = -1

Step-by-step explanation:

x² + 6x = -5

x² + 6x -( -5) = 0

x = (-x + 4)/2

To solve for the unknown variable, separate into two equations: one with a plus and the other with a minus.

x = (-6 + 4)/2

x = (-6 - 4)/2

x = -1

A scatter plot can be defined as a type of graph which is used for the graphical representation of the values of two (2) variables, with the resulting points showing any association (correlation) between the data set.

A quadratic function can be defined as a mathematical expression (equation) that can be used to define and represent the relationship that exists between two or more variable on a graph.

In Mathematics, the standard form of a quadratic equation is given by;

ax² + bx + c = 0

By critically observing the graph (see attachment) which models the data in the given table, we can infer and logically deduce that the quadratic function is given by:

y = -0.4908x² + 5.8845x + 1.3572

For the number of students that are absent 10 days after the outbreak, we have:

y = -0.4908(10)² + 5.8845(10) + 1.3572

y = -0.4908(100) + 58.845 + 1.3572

y = -49.08 + 58.845 + 1.3572

Number of students, y = 11.12 ≈ 11 students.

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The equation shows that the slope of the line is -2 and the y-intercept is 4 that is the line will pass through the point (0, 5)

The standard linear equation is expressed as y = mx + b where;

Given the linear equation  y=-2x+5

The equation shows that the slope of the line is -2 and the y-intercept is 5 that is the line will pass through the point (0, 5)

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Answer:

5p^3q ( 8p^3 + 3p^2q^3 +7q)

Step-by-step explanation:

greatest common factor = GCF

40p^6q + 15p^5q^4 + 35p^3q^2

This expression has 3 terms: 40p^6q , 15p^5q^4 , and  35p^3q^2

Find the GCF for the 3 terms

The coefficient parts are 40, 15 and 35 their GCF is 5

The p part: p^6, p^5, and p^3 their GCF is p^3

The q part: q, q^4, and q^2 their GCF is q

The GCF for the 3 terms is 5p^3q

Factor the expression using the GCF

40p^6q + 15p^5q^4  + 35p^3q^2 =

5p^3q ( 8p^3 + 3p^2q^3 +7q)

The  three segments  of Triangle is (1) 17 cm, 7 cm, 8 cm    

Here, 17 > 7 + 8 or 17 > 15

In any triangle, the sum of the lengths of any two sides of a triangle is always greater than the third side.

Therefore, the triangle is not possible.    

In Euclidean geometry, any three points that are not collinear produce a singular triangle and a singular plane (i.e. a two-dimensional Euclidean space). In other words, every triangle is contained in a plane, and there is only one plane that contains that triangle. All triangles are enclosed in a single plane if all of the geometry is the Euclidean plane, however, this is no longer true in higher-dimensional Euclidean spaces.

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Answer:  [tex]\textsf{28 1/3}[/tex]

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Given: [tex]\textsf{We are given 9 numbers}[/tex]

Find: [tex]\textsf{Determine the mean of the numbers}[/tex]

Solution:  In order to determine the mean of the numbers the first step that we need to do is to add up all of the numbers.  After adding up all of the numbers we divide it by the amount of numbers that were provided to us.

Add up the numbers

Divide it by the amount of numbers provided

Therefore, the mean of the numbers provided is [tex]\textsf{28 1/3}[/tex]

An expression to represents the Samuel wanted to rent a bike if rental fee cost $10 plus $5 for each hour is  x=10 + 5h, he can rent the bike for 4hours with $30 budget.

As given,

Let x represents total rental cost

h represents  number of hours

Rental fee=$10

Per hour fee=$5

Expression:

x=10 +5h

Budget x= $30

30=10 +5h

⇒ 5h=20

⇒h=4hours

Therefore, an expression to represents the Samuel wanted to rent a bike if rental fee cost $10 plus $5 for each hour is x=10 + 5h, he can rent the bike for 4hours with $30 budget.

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