3 years ago

What is the domain

Mathematics

1 answer:

MatroZZZ [7]3 years ago

6 0

My photo has the answers. I recommend Khan Academy for extra help.

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alukav5142 [94]

Answer:

C. 591.5 ft^3

Step-by-step explanation:

1/2 (13*13) = 84.5

84.5*7 = 591.5

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4 years ago

Five times a number increased by 15 equals 8 decreased by twice the number. Write an equation and solve showing all work.

ivanzaharov [21]

Answer:

5x+15 = 8 -2x

Explanation:

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Solve each system.<br> y=2x+6<br> y= -3x+16

RoseWind [281]

$y=2x+6\\y= -3x+16\\\\2x+6=-3x+16\\2x+6+3x-6=-3x+16+3x-6\\5x=10\ /:5\\x=2\\\\y=2x+6\ \ \ \Rightarrow\ \ \ y=2\cdot2+6=4+6=10\\\\Ans.\ \ x=2\ \ and\ \ y=10$

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3 years ago

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If AB=7x, CB=5x+8 and BD AC what is the length of CB

seropon [69]

Answer:

x = 4

CB = 28

Step-by-step explanation:

In triangle ABC,

AB = CB..... (given)

Therefore,

7x = 5x + 8

7x - 5x = 8

2x = 8

x = 8/2

x = 4

CB = 5x + 8 = 5*4 + 8 = 20 + 8 = 28

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3 years ago