Quadrilateral CDEF is dilated by a scale factor of į to form quadrilateral C'D'E'F'.
What is the measure of side EF?

Quadrilateral CDEF Is Dilated By A Scale Factor Of To Form Quadrilateral C'D'E'F'.What Is The Measure

Answers

Answer 1

Given:

CDEF is dilated by a scale factor of [tex]\dfrac{3}{4}[/tex] to form the quadrilateral C'D'E'F'.

To find:

The measure of side E'F'.

Solution:

If a figure is dilated by a scale factor of k, then the side of dilated figure is k times of corresponding side of original figure.

CDEF is dilated by a scale factor of [tex]\dfrac{3}{4}[/tex] to form the quadrilateral C'D'E'F'. So,

[tex]E'F'=\dfrac{3}{4}\times EF[/tex]

From the given figure it is clear that [tex]EF=12[/tex]. So,

[tex]E'F'=\dfrac{3}{4}\times 12[/tex]

[tex]E'F'=9[/tex]

Therefore, the measure of side E'F' is 9 units.


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Answer:

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Ling earns $12 each time he shovels his neighbor’s driveway. He earned a total of $108 shoveling the driveway last winter. Which of the following equations could be used to find w , the number of times Ling shoveled his neighbor’s driveway last winter?

Answers

Answer:

12w=108

Step-by-step explanation:

Ling earns $12 each time he shovels his neighbor’s driveway. He earned a total of $108 shoveling the driveway last winter. Which of the following equations could be used to find w , the number of times Ling shoveled his neighbor’s driveway last winter?

Answer:

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Step-by-step explanation:

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Grace and her friends just dined at a restaurant and left a tip of
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places.

Answers

Answer:

$76.95

Step-by-step explanation:

If you reverse it the equation is 16.93 divided by .22 and you get the total which is 76.95

You can check your answer by doing 76.95 times .22 and get the tip which is 16.93

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Answers

The answer is 30
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Answers

Given:

The table of values of an exponential function.

To find:

The missing values in the exponential function.

Solution:

The general exponential function is defined as:

[tex]y=a(b)^x[/tex]              ...(i)

Where, a is the initial value and b is the growth factor.

First point from the given table is (1,10). It means, the equation (i) must be true for (1,10).

[tex]10=a(b)^1[/tex]             ...(ii)

Second point from the given table is (2,20). It means, the equation (i) must be true for (2,20).

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Dividing (iii) by (ii), we get

[tex]\dfrac{20}{10}=\dfrac{a(b)^2}{ab}[/tex]

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[tex]\dfrac{10}{2}=a[/tex]

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Answer:

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Answer:

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Step-by-step explanation:

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Answer:

ee

Step-by-step explanation:

A triangle has a perimeter of 74 inches. If the three sides of the triangle are n, 3n+6, and 3n−2, what is the length of each side?

Answers

Answer:

N=10

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Step-by-step explanation:see photo

In a class test, +4 marks were awarded for the correct answers and -1 mark for the wrong answers. Student scores 40 marks. If his correct answers were 11, find his wrong answers.

Answers

Step-by-step explanation:

Let y the number of wrong answers got.

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Answer:

See explanation

Step-by-step explanation:

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Answers

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Step-by-step explanation:

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Answer:

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The posted speed limit is 45 miles per hour.
Choose all the metric measures that are faster than 45 miles
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A. 45 km per hour

B. 64.1 km per hour

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Answers

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B
68°
A
E
D
EB
15. What is the length of CD? (Use 3.14 for $7)
a
31.68
b
29.31
23.14
17.79

Answers

Answer:

b = 29.31

Step-by-step explanation:

Given:

m<CEB = 68°

EB = radius = 15

Required:

Length of arc CD

Solution:

Length of arc CD = θ/360 × 2πr

Where,

θ = 180° - 68° = 112° (angles on a straight line)

π = 3.14

r = radius = 15

Plug in the values

Length of arc CD = 112/360 × 2 × 3.14 × 15

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Answers

Answer:

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Answers

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Step-by-step explanation:

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Answers

Answer:

x = 5, y = -3

Step-by-step explanation:

2x - 3y = -1 ---› Eqn. 1

-2x + y = 7 ----› Eqn. 2

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Step-by-step explanation:


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