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vagabundo [1.1K]
3 years ago
8

When Nancy started middle school she was 60 inches tall.when she started high school ,she was 66 inches tall.what was the percen

t change in her height?
Mathematics
1 answer:
Ahat [919]3 years ago
4 0
10% 
You can do this in your head easily, but here is an equation.
x is the starting number, v is the number that changed and p is the percent.
x / v = p

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Make a conjecture about the sum of the first 15 positive even number
erica [24]
I conclude that the sum will be even because any even number can be represented by 2n where n is a whole number
and even numbers are 2 apart, so
the sum of the first 15 are
2n+2(n+1)+2(n+2) etc until we get to 2(n+14)
we can undistribute the 2 from all of them and get
2(n+n+1+n+2...n+14)
and we are sure that whatever is in the parenthasees is a whole number because whole+whole=whole
therefor, the sum is even

if you did want to find the sum then
an=2n
the 15th even number is 30
the first is 2
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3 years ago
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6254 rounded to the nearest hundred is 6300

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3 0
3 years ago
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aksik [14]
 it wold be this 0.000032518
6 0
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When Mr. Woodard preheated his oven, the oven's temperature rose 3 degrees in 1/6 of a minute. At that rate, how much will the o
Murljashka [212]

Given:

Oven's temperature rose 3 degrees in \dfrac{1}{6} of a minute.

To find:

How much will the oven heat up in 1 minute at that rate?

Solution:

According to the question,

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Oven's temperature rose in 1 minute =6\times 3 \text{ degrees}

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Therefore, the oven's will heat up 18 degrees in 1 minute.

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Answer:

0.65 miles.

Step-by-step explanation:

Dmitry runs 3.1 miles on Saturday.

He runs 2.45 miles on Sunday.

On Saturday he runs 3.1 - 2.45 = 0.65 miles farther.

7 0
3 years ago
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