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3 years ago

15

Evaluate the numerical expression. 1/2-(-3/4)

1 answer:

PilotLPTM [1.2K]3 years ago

5 0

It is D. 5/4 hope it helps!

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3 years ago

Pls help fast I am dumb and I need to go to 2 competitions today!!!

aliina [53]

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Step-by-step explanation:

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larisa [96]

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6 0

3 years ago

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How do I find the values of these

skad [1K]

Since the triangles are similar, then 32 = x+7 those two angles are too
solve for "x"

now using proportions $\bf \cfrac{\textit{small triangle}}{\textit{large triangle}}\qquad \cfrac{JK}{18}=\cfrac{12}{12+10}$

solve for JK

$\bf \cfrac{\textit{small triangle}}{\textit{large triangle}}\qquad \cfrac{12}{12+10}=\cfrac{9}{9+KG}\implies 12(9+KG)=(22)9
\\\\\\
108+9KG=198$

solve for KG

the scale factor of the perimeter of both triangles is just the same as the ratio of the sides, or $\bf \cfrac{12}{12+10}$

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3 years ago