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3 years ago

Six women push grocery carts up a ramp as shown.

1 answer:

6 0

Six women push grocery carts up a ramp as shown.

2 carts weigh 50 lbs. each.

4 carts weigh 20 lbs. each.

How much work was done?

_____________ ft.-lbs. (total work)

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Jake carries a green and yellow and a black guitar pick in his pocket he randomly chooses a guitar pick from his pocket before e

e-lub [12.9K]

The answer is 1/3...I got this question on I-ready and I hate when I don't pass a lesson...hope this will help you guys out.

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3 years ago

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Simplify: (2^2 + 3^4)−^2

Lisa [10]

$\bf ~\hspace{7em}\textit{negative exponents} \\\\ a^{-n} \implies \cfrac{1}{a^n} ~\hspace{4.5em} a^n\implies \cfrac{1}{a^{-n}} ~\hspace{4.5em} \cfrac{a^n}{a^m}\implies a^na^{-m}\implies a^{n-m} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ (2^2+3^4)^{-2}\implies (4+81)^{-2}\implies 85^{-2}\implies \cfrac{1}{85^2}\implies \cfrac{1}{7225}$

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3 years ago

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Solve similar triangles advanced part 1

balu736 [363]

9514 1404 393

Answer:

x = 4

Step-by-step explanation:

Corresponding segments of similar triangles are proportional. Here, the similar triangles are ...

ΔABC ~ ΔADE

so the relationship between the sides is ...

BC/BA = DE/DA . . . . . . we put the unknown value in the numerator

x/4 = 12/(4+8)

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The length of side x is 4.

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3 years ago

If 16 our of 80 students in a computer class a girls then what percent in the class are boys

mina [271]

80% is the answer to ur question

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3 years ago

F(x) = 2x^2+ 5x + 20<br><br> Find f(-9)

8_murik_8 [283]

Answer:

137

Step-by-step explanation:

2(-9)^2+5(-9)+20

2(81)-45+20

162-45+20

117+20

137

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3 years ago