3 years ago

What is r-7 show your work

Mathematics

1 answer:

KatRina [158]3 years ago

7 0

Step-by-step explanation:

Whats the value of r though?

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(X+5)(x-7) simplify the expression

Lyrx [107]

<span>(X+5)(x-7)
Perform FOIL
x^2-7x+5x-35
Add 5x to -7x
Final Answer: x^2-2x-35

</span>

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4 years ago

I have a piece of ribbon that is 12 3/5 inches long. If i cut 2/3 -inch sections, how many pieces can i get?

borishaifa [10]

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3 years ago

The perimeter of the base of a square pyramid is 16 feet and it stands 20 ft tall. Calculate the volume.

Vikentia [17]

Answer: $1706.67 feet$

Step-by-step explanation:

Formula: Volume = $\frac{1}{3} \alpha^{2}h$

a is the length of the base's edge and h is the height. Since 16 is the length we would square it as it is the length, then we would multiply it by the height which is 20 ft.

<u>Steps: Multiply</u>

Volume = $\frac{1}{3} \alpha^{2}h$

= $\frac{1}{3} * 16^{2} * 20$

= $1706.67 feet$

~I hope I helped you :)~

6 0

3 years ago

Is 25/70 and 8/20 proportion

jenyasd209 [6]

No those two fractions are not proportional.

25 times 20 = 500
70 times 8 = 560
500 and 560 are not equal so therefore the fractions are not proportional. Hope this helps!

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3 years ago

F(x)+x^2+7 Find X if f(x)=23

Illusion [34]

Answer:

Step-by-step explanation:

x^2 + 7 = 23

x^2 = 16

√x² = √16

x = 4

6 0

3 years ago

What is r-7 show your work ​

What is r-7 show your work