3 years ago

The product of a number y and 15 is -75. What is y?

Mathematics

1 answer:

V125BC [204]3 years ago

5 0

Answer:

I believe the answer is -0. 2

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Simplify the expression 7(3+2p+7).

ipn [44]

Answer: 14p +70

Step-by-step explanation:

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3 years ago

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The circumference of circle x in which a = 49pi in squared

zzz [600]

Answer:

C = 14 pi inches

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

49 pi = pi r^2

Divide each side by pi

49 pi/pi = pi /pi r^2

49 = r^2

Take the square root of each side

7 = r

The circumference is given by

C = 2 * pi *r

C = 2 * pi *7

C = 14 pi inches

8 0

3 years ago

Multiply (x-2) (2x+4)

Bas_tet [7]

Answer:

$2x {}^{2} - 8 = 0$

Step-by-step explanation:

$(x-2) (2x+4) = 0\\ 2x {}^{2} + 4x - 4x - 8 = 0 \\ 2x {}^{2} - 8 = 0$

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4 years ago

A certain rectangle is 5 times as long as it is wide. Suppose the length and width are both tripled. The perimeter of the second

astraxan [27]

It is tripled as well. You are tripling every distance and thus tripling the sum of the distances as well.

3 0

4 years ago

A leather jacket is listed at $230 the discount rate is 25% off the list price what is the sales price of the jacket?

mariarad [96]

Answer:

Discount selling price= $172.5

Step-by-step explanation:

Giving the following information:

Selling price= $230

Discount rate= 25%

<u>To calculate the discount selling price, we need to use the following formula:</u>

Discount selling price= selling price*(1 - discount rate)

Discount selling price= 230* (1-0.25)

Discount selling price= $172.5

5 0

3 years ago