Which of the following pairs consists of equivalent fractions?

Using the concepts of similarity and congruence, the correct statement is given by:

a. Q and W are similar but not congruent.

For this problem, we have that:

Hence the correct statement is given as follows:

a. Q and W are similar but not congruent.

From the two bullet points, we justify we the other statements are not correct.

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The coplanar points in plane U are

Point P

Point W

Point S

Point L

Coplanar points are three or more points which all lie in the same plane

Collinear points are the points that lie on the same straight line or in a single line.

In the image attached, points A, B, C, and D are coplanar points. This is because they all lie on the same plane.

Now,

In the given image, points P, W, and S all lie on the same straight line. Thus, they are collinear.

and

Points P, W, S, and L all lie on plane U. This means the points are coplanar.

Hence, the coplanar points in plane U are

Point P

Point W

Point S

Point L

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The solution to the equation is, v = 2.

See the steps explained below.

Given an equation, 7(v - 5) = -21, the following steps would be taken as shown below:

7(v - 5) = -21 ---> Given

7v - 35 = -21 ----> distribution property

7v - 35 + 35 = -21 + 35 -----> addition property of equality

7v = 14

Divide both sides by 7

7v/7 = 14/7 -----> division property of equality

v = 2

Thus, the solution to the equation as solved above is: v = 2.

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Answer:

the answer is B

Step-by-step explanation:

Answer:

x^2y^2(x^2 − 2xy) ..............

The rewritten polynomial of x⁴y² - 2x³y³ is x²y²(x²-2xy).

The greatest number that can divide the numbers in equal parts.

It is called as greatest common factor.

We have a polynomial,

x⁴y² - 2x³y³.

Factor out the common terms,

x⁴y² - 2x³y³,

= x²y²(x²-2xy)

Therefore, x²y²(x²-2xy) is the required expression.

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Answer:2.35

Step-by-step explanation:

The value of the expression is 2.35.

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

9.4 ÷ 4

= 9.4/4

= 94/(10 x 4)

= 94/40

= 2.35

Thus,

The value of the expression is 2.35.

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Answer:16

explanation:

=64⅔

=(4)3×⅔(there is 3 and 3 will be cancel)

=(4)²(4²=4×4)

=16 Ans

The values of the functions are h(0) = 1, h(10) = 3, h(-3) = 7 and h(3) = 4

The piecewise function is given as:

h(x) = {7, when x<0

         {x+1, when 0 ≤x ≤4

          {√x-1, when x>4

Next, we solve the function values

1. Function h(0)

This means that x = 0

To do this, we make use of h(x) = x + 1 because x= 0 is in its domain

So, we have

h(0) = 0 + 1

h(0) = 1

2. Function h(10)

This means that x = 10

To do this, we make use of h(x) = √x - 1 because x= 10 is in its domain

So, we have

h(10) = √10 - 1

h(10) = √9

h(10) = 3

3. Function h(-3)

This means that x = -3

To do this, we make use of h(x) = 7 because x= -3 is in its domain

So, we have

h(-3) = 7

4. Function h(3)

This means that x = 3

To do this, we make use of h(x) = x + 1 because x= 3 is in its domain

So, we have

h(3) = 3 + 1

h(3) = 4

Hence, the values of the functions are h(0) = 1, h(10) = 3, h(-3) = 7 and h(3) = 4

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The images of points are

From the question, we have the coordinate of point A to be

A = (-4, 3)

The sequence of transformations is given as:

180 degrees rotation around the origin

The rule of the above transformation is

(x, y)= (-x, -y)

So, we have

A' = (4, -3)

This means that

B = (4, -3)

Hence, the image of point B after the transformation of the point A is (4,- 3)

From the question, we have the coordinate of point A to be

A = (-4, 3)

The sequence of transformations is given as:

The rules of the above transformations are

Translation two units to the right

(x, y)= (x + 2 , y)

So, we have

A' = (-2, 3)

Reflection across the x-axis

(x, y)= (x, -y)

So, we have

A'' = (2, -3)

This means that

C = (2, -3)

Hence, the image of point C after the transformation of the point A is (2, -3)

From the question, we have the coordinate of point A to be

A = (-4, 3)

The sequence of transformations is given as:

The rules of the above transformations are

Reflection across the y-axis

(x, y)= (-x, y)

So, we have

A' = (4, 3)

Translation two units to the right

(x, y)= (x + 2 , y)

So, we have

A'' = (6, 3)

This means that

D = (6,3)

Hence, the image of point D after the transformation of the point A is (6,3)

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Answer:

72% go twice a month

60% prefer comedies

Step-by-step explanation:

45+63=108

108/150=0.72 ---> 72%

63+27=90

90/150=0.6 ---> 60%

Answer:

B: <

Step-by-step explanation:

2 1/4 is smaller than 3 1/4 because first of all, 2 is smaller than 3. Also, when you make both an improper fraction, than 2 1/4 will be 9/4 and 3 1/4 would be 13/4. 9/4 is smaller than 13/4.

[tex]{ \qquad\qquad\huge\underline{{\sf Answer}}} [/tex]

Let's solve ~

Using Trigonometric ratios :

[tex]\qquad \sf  \dashrightarrow \: \cos(45 \degree) = \dfrac{b}{ 4 } [/tex]

[tex]\qquad \sf  \dashrightarrow \: \dfrac{1}{ \sqrt{2} } = \dfrac{b}{4} [/tex]

[tex]\qquad \sf  \dashrightarrow \: b = \dfrac{4}{ \sqrt{2} } [/tex]

[tex]\qquad \sf  \dashrightarrow \: b = 2 \sqrt{2} [/tex]

Velocity is 5m/s.

In the given statement is :

You walk down a hill for 45 meters. You accomplish this in 9 seconds. What is your velocity? ______m/s.

Firstly, Let's know the:

What is Velocity?

Velocity refers to the rate of change in displacement with respect to time.

Furthermore, distance and displacement are the key points of the velocity.

Now, Calculate the velocity, by using formula of Velocity

Velocity = Displacement/ time

And, Velocity = 45/9 = 5m/s.

Therefore Velocity is 5m/s

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Answers:

   16.50     for the first box

    10         for the second box

======================================

Explanation:

Part (a)

Plug in x = 20 and solve for p.

0.2x+4p = 70

0.2*20+4p = 70

4 + 4p = 70

4p = 70-4

4p = 66

p = 66/4

p = 16.50

They should charge $16.50 per gallon if the demand is 20 million gallons.

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

Part (b)

Let's say the price is initially $10 per gallon. The starting price could be anything you want.

Plug p = 10 into the equation and solve for x.

0.2x+4p = 70

0.2x+4*10 = 70

0.2x + 40 = 70

0.2x = 70-40

0.2x = 30

x = 30/(0.2)

x = 150

The demand is 150 million gallons if the price were $10 per gallon.

Now let's increase the price by $0.50 to get to p = 10.50

Let's solve for x based on this larger value of p.

0.2x+4p = 70

0.2x+4*10.50 = 70

0.2x+42 = 70

0.2x = 70-42

0.2x = 28

x = 28/(0.2)

x = 140

The demand is now 140 million gallons if the price were $10.50 per gallon.

The demand has gone down by 10 million gallons (since 150-140 = 10).

Answer:

56 packs of seeds

Step-by-step explanation:

To find the area of Chang's backyard, we can use the formula for an area of a rectangle.

Area = length·width or A = lw

32·21 = 672 sq ft.

To find how many packets of seed he will need to cover the backyard, we can take the area of Chang's yard and divide it by how many square feet each pack of seed covers.

672/12 =  56

Chang will need 56 packs of seeds to cover the backyard.

At least 16 more herb gardens must be sold in order to meet the fundraising goal

It is given that the environmental club is selling indoor herb gardens for $8 each for Earth Day.

The goal for the club is to raise at least $500 during the fundraiser.

So far the club has raised $256 toward the goal.

Let the number of herb gardens yet to be sold be 'x'

Thus total amount raised by 'x' herb garden sold= 8x

Thus, the equation for fundraising will be

8x+256=500

8x=500-256

8x=244

x= 244/8=31/2=15.5

Hence at least 16 more herb gardens must be sold in order to meet the fundraising goal

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Main Answer :16

Concept and definitions should be there:

An inequality compares two values, showing if one is less than, greater than, or simply not equal to another value.

a ≠ b says that a is not equal to b

a < b says that a is less than b

a > b says that a is greater than b

(those two are known as strict inequality)

a ≤ b means that a is less than or equal to b

a ≥ b means that a is greater than or equal to b.

Given that:

It is given that the environmental club is selling indoor herb gardens for $8 each for Earth Day.

The goal for the club is to raise at least $500 during the fundraiser.

So far the club has raised $256 toward the goal.

Solving Part:

Let the number of herb gardens yet to be sold be 'x'

Thus total amount raised by 'x' herb garden sold= 8x

I can match an inequality to a situation it represents, solve it, and then explain what the solution means in the situation.

If I have a situation and an inequality that represents it, I can explain what the parts of the inequality mean in the situation.

We know that

$256≥ $500 → inequality that represent the situation

Thus, the equation for fundraising will be

8x+256=500

8x=500-256

8x=244

x= 244/8=31/2=15.5

Hence at least 16 more herb gardens must be sold in order to meet the fundraising goal.

Final Answer: 16

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Answer:

4.5 lb of coffee

Step-by-step explanation:

4.5/20.25

The total cost = $5000 (Option A) and $9400 (Option B)

Cost per mile = $0.33 (option A) and $0.25 (Option  B)

A single unit's value can be determined from the values of multiple units, and multiple units' values can be determined from the values of single units using the unitary method.

Given:

To find: Total costs and cost per mile, when the truck is driven (A) 15000 miles per year (B) 37000 miles per year.

Finding:

(A) By unitary method,

When the truck is driven 1 mile, cost of gasoline = $0.20

When the truck is driven 15000 miles, cost of gasoline = $ 0.20(15000) = $3000 in an year

Cost of insurance in an year = $2000

Thus, total cost = $ 3000 + $2000 = $5000

Now, for per mile cost:

Cost of gasoline = $0.20

Cost of insurance = $0.13

Thus, Cost per mile = $0.20 + $0.13 = $0.33

(B) Again, by unitary method,

When the truck is driven 1 mile, cost of gasoline = $0.20

When the truck is driven 37000 miles, cost of gasoline = $ 0.20(37000) = $7400 in an year

Cost of insurance in an year = $2000

Thus, total cost = $ 7400 + $2000 = $9400

Now, for per mile cost:

Cost of gasoline = $0.20

Cost of insurance = $0.5

Thus, Cost per mile = $0.20 + $0.5 = $0.25

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Answer: (0,0)

Step-by-step explanation:

[tex]\displaystyle\\\left \{ {{(x-2)^2+y^2=4} \atop {(x+2)^2+y^2=4}} \right. \\Hence,\\(x-2)^2+y^2=(x+2)^2+y^2\\(x-2)^2=(x+2)^2\\x^2-2*x*2+2^2=x^2+2*x*2+2^2\\-4x=4x\\-4x+4x=4x+4x\\0=8x\\[/tex]

Divide both parts of the equation by 8:

[tex]0=x[/tex]

Hence,

[tex](0+2)^2+y^2=4\\2^2+y^2=4\\4+y^2=4\\y^2=0\\y=0\\Thus,\ (0,0)[/tex]

Answer:

The two circles intersect at one and only point A(0 , 0)

Step-by-step explanation:

Let ς₁ be the circle of equation :

ς₁ : (x - 2)² + y² = 4

and ς₂ be the circle of equation :

ς₂ : (x + 2)² + y² = 4 

Consider the point M (x , y) ∈ ς₁∩ς₂

M  ∈ ς₁ ⇔ (x - 2)² + y² = 4

M  ∈ ς₂ ⇔ (x + 2)² + y² = 4

M (x , y) ∈ ς₁∩ς₂ ⇒ (x - 2)² + y² = (x + 2)² + y²

⇒ (x - 2)² = (x + 2)²

⇒ x² - 4x + 4 = x²+ 4x + 4

⇒  - 4x = 4x

⇒  8x = 0

⇒  x = 0

Substitute x by 0 in the first equation:

(0 - 2)² + y² = 4

⇔ 4 + y² = 4

⇔ y² = 0

⇔ y = 0

Conclusion:

The two circles intersect at one and only point A(0 , 0).

Answer:

x>−10

Step-by-step explanation:

x = 100/9  ............

Answer:-4 is your answer

Step-by-step explanation: When x = 8 your y = –4 (which is the function)

The length of the rectangular solid delivery box is 6 inches.

Volume of a rectangular solid, multiply its 3 dimensions: length x width x height. The volume is expressed in cubic units

It is given that, the volume of the delivery box is 540 cubic inches, the width of the delivery box is 3 inches longer than the length and the height is 4 inch longer than the length.

Width of the rectangular solid delivery box = (length + 3) inches

Height of the rectangular solid delivery box = (length + 4) inches

Now,

let us assume that the length of the rectangular solid delivery box is X.

So, Width = (X+3) inches and Height = (X+4) inches.

Volume of rectangular solid delivery box = Length × Width × Height

=> Length × Width × Height = 540 cubic inches.

After putting all the values in the above equation,

=> X × (X+3) × (X+4) = 540

=> X=6 inches

Therefore, the length of the rectangular solid delivery box is 6 inches.

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Answer:

See below

Step-by-step explanation:

For x :    from end point to midpoint  0====> 4    is 4 units ...add 4 more to get   x = 8 for other endpoint

For y    5====> -4   is - 9     add  -9 more to midpoint to get y = -13

Answer:

The number of $5 bills is 6

The number of $1 bills is 8

Step-by-step explanation:

Given the number of $1 bills is x, and of $5 bills is y

Then x + y = 14 or x = 14 - y

And 1(x) + 5(y) = 38

then 1(14 - y) + 5y = 38

14 - y + 5y = 38

4y = 38 - 14

4y =24

y = 6

if the number of $5 bills is 6

then the number of $1 bills is 14 - 6 = 8

The number of bills worth $20 is found to be 18 and the  number of bills worth $5 is 12.

A linear equation in two variables is one that is written in the form;

ax + by + c=0, where a, b, and c are real numbers and also the coefficients of x and y, i.e. a and b, are not equal to zero.

Now, as per the given question;

Let 'X' be the number of bills worth $20.

Let 'Y' be the number of bills worth $5.

Then, the total cost of the bills $330 is written as;

330 = 20X + 5Y

Now, if 6 more $5 bills is added to than $20 bills.

Y = X + 6, as there are 6 more $5 bills than $20 bills.

Substitute the value of Y in original equation.

330 = 20X + 5(X+6)

330 = 20X + 5X + 30

Further solving the equation.

300 = 25X

X = 300/25

X = 12 (number of bills worth $20)

Substitute the value in Y to find the number of bills worth $5.

Since, there are 6 more $5 bills than $20 bills, Y = 12+6 = 18

Thus, there are 18 number of bills worth $20.

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The location of the x value of R' after using the translation rule is 28

The translation rule is given as:

(x + 4, y - 7)

The pre-image of R is located at (24, -13)

Rewrite as

R = (24, -13)

When the translation rule is applied, we have:

R' = (24 + 4, -13 - 7)

Evaluate

R' = (28, -20)

Remove the y coordinate

R'x = 28

Hence, the location of the x value of R' after using the translation rule is 28

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2 times 1 is 2 so the equation becomes x/2 and x is 10 so 10/2 is same as 10÷2 which is 5