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2 years ago

35 is equal to 70% of a number n . Write and solve an equation to find n . Write the percent as a decimal.

Mathematics

1 answer:

kow [346]2 years ago

3 0

35=.7 x n
35/.7 = 50
n=50

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This year the winner of New York Marathon ran the 8 kilometer event in 24 hours. What is the runner’s unit rate?

ValentinkaMS [17]

3 because 24 divide by 8 is 3

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2 years ago

Melanie swarm for 142 minutes during her first week of vacation. In her two weeks of vacation she swam for a total of 347 minute

Soloha48 [4]

Answer: Melanie swam 63 minutes more in second week.

Step-by-step explanation:

Given , Time taken by Melanie in first week to swim = 142 minutes

Combined time taken by her in first two weeks in swimming = 347 minutes

Now , time taken by her in second week = (Combined time of first two week) - (Time taken in first week)

= 347-142 minutes

= 205 minutes

Clearly , 205 > 142 i.e. She swam more in second week than first week./

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Therefore, Melanie swam 63 minutes more in second week.

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2 years ago

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3 years ago

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nikitadnepr [17]

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7 0

2 years ago

What is 1/2(x+14) because i am having trouble solving it and no calculator has been able to help me also.

ivann1987 [24]

Hi there!

»»————-　★　————-««

I believe your answer is:

$\frac{1}{2}x+7$

»»————-　★　————-««

Here’s why:

⸻⸻⸻⸻

$\boxed{\text{Simplifying the equation...}}\\\\\frac{1}{2}(x+14)\\------------\\\rightarrow \frac{1}{2}*x = \frac{1}{2}x\\\\\rightarrow\frac{1}{2}*14=7\\\\\rightarrow \frac{1}{2}(x+14)= \boxed{\frac{1}{2}x+7}$

⸻⸻⸻⸻

»»————-　★　————-««

Hope this helps you. I apologize if it’s incorrect.

7 0

2 years ago