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2 years ago

What is the value of C

Mathematics

1 answer:

pentagon [3]2 years ago

4 0

Answer:

The answer is C.

Step-by-step explanation:

7-3=4

3+5=8

8x4=32cm

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A regular pentagon with a perimeter of 21 inches is dilated by a scale factor of

levacccp [35]

<h3>Answer: 35 inches</h3>

Each side of the pentagon is multiplied by 5/3 to get the length of each new side, so the perimeter is multiplied by 5/3 to get the new perimeter.

New perimeter = (scale factor)*(old perimeter)

New perimeter = (5/3)*(old perimeter)

New Perimeter = (5/3)*(21)

New Perimeter = (5/3)*(21/1)

New Perimeter = (5*21)/(3*1)

New Perimeter = 105/3

New Perimeter = 35 inches

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3 years ago

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Can someone please tell me the answer to this?

Neko [114]

A) 3b-7b
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b) a+a-5a
-3a

c) -3-3r
cannot be simplified, no like terms

d) 7t-8t-8
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e) -15p-20
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3 years ago

What’s the answer to this equation?

Tresset [83]

Answer:

Part A) The graph in the attached figure

Part B) see the explanation

Step-by-step explanation:

Part A) Graph the function

we have the quadratic function

$y=3x^2-12x-36$

This is a vertical parabola open upward

The vertex is a minimum

using a graphing tool

The graph in the attached figure

Part B) What are the values of a, b and c?

we know that

The values of a and b represent the x-intercepts of the quadratic equation

The x-intercepts are

(-2,0) and (6,0)

$a=-2\\b=6$

Find the value of c

we know that

The x-coordinate of the vertex in a vertical parabola is equal to the midpoint of the roots

The value of c is equal to

$c=\frac{a+b}{2}$

substitute the given values

$c=\frac{-2+6}{2}=2$

see the attached figure

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2 years ago

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shusha [124]

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3 years ago

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choli [55]

The answer should be C. 2w + 10 = 26

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2 years ago

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