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Ilya [14]
3 years ago
8

Marshall and Graham both lift a 50 lb. weight. Graham lifts his weight in 5 seconds. Marshall takes 7 seconds. Which of the foll

owing statements is true?
Marshall had more power than Graham.
Graham had more power than Marshall.
Both boys had equal amounts of power.
Mathematics
1 answer:
Alla [95]3 years ago
3 0

Answer:

B. Graham had more power than Marshall

Explanation:

Graham put more power into lifting his weight and therefore he lifted it 2 seconds faster than Marshall.

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liq [111]

Answer:

<h2>x = -3</h2>

Step-by-step explanation:

4^x=\left(\dfrac{1}{8}\right)^{x+5}\qquad\text{use}\ a^{-1}=\dfrac{1}{a}\\\\4^x=(8^{-1})^{x+5}\\\\(2^2)^x=\bigg((2^3)^{-1}\bigg)^{x+5}\qquad\text{use}\ (a^n)^m=a^{nm}\\\\2^{2x}=2^{-3(x+5)}\iff2x=-3(x+5)\qquad\text{use the distributive property}\\\\2x=-3x-15\qquad\text{add}\ 3x\ \text{to both sides}\\\\5x=-15\qquad\text{divide both sides by 5}\\\\x=-3

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3 years ago
Find the Equivalent Ratio <br> 3:6 x:3
Ymorist [56]
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Half of 3 is 1.5
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2 years ago
if you have a population of 40million people and 2million of them are from out of town. what percentage of them are out of towne
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Answer:

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Step-by-step explanation:

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Solution for 2000000 is what percent of 40000000:

2000000:40000000*100 =

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Now we have: 2000000 is what percent of 40000000 = 5  

Question: 2000000 is what percent of 40000000?

Percentage solution with steps:

Step 1: We make the assumption that 40000000 is 100% since it is our output value.

Step 2: We next represent the value we seek with x

Step 3: From step 1, it follows that 100%= 40000000.

Step 4: In the same vein, x%=2000000.

Step 5: This gives us a pair of simple equations:

100%=40000000(1).

x%=2000000(2).

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

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100%/x%=40000000/2000000

Step 7: Taking the inverse (or reciprocal) of both sides.

⇒ x=5%

Therefore, 2000000 is 5% of 40000000.

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Answer:

Step-by-step explanation:

800×9

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3 years ago
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