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2 years ago

What fraction of the rectangle is shaded? PLS PLS PLS help ASAP! Ty

Mathematics

1 answer:

erma4kov [3.2K]2 years ago

3 0

9514 1404 393

Answer:

1/3

Step-by-step explanation:

The area of the rectangle is ...

A = lw = (21)(12)

The area of the shaded triangle is ...

A = 1/2bh = 1/2(14)(12) = (7)(12)

Then the fraction of the rectangle that is shaded is ...

(shaded area)/(rectangle area) = (7)(12)/((21)(12)) = 7/21 = 1/3

1/3 of the rectangle is shaded.

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3 years ago

HERE ARE TWO NUMBER MACHINES A AND B

nika2105 [10]

Answer:

$x=-7$

Step-by-step explanation:

We can write them both like functions like this

$A=5x-4$

$B=3x+8$

Where

x=input

A=Output A

B=Output B

We want the output of A 3 times the output of B this can be written like this:

$A=3B$

we replace with the functions

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we solve for x

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The output that makes the out put of A 3 times teh output of B is $-7$

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3 years ago