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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

You might be interested in
Which expressions are equivalent to the given sort 40 (there is more than one and the one selected is correct)
Basile [38]

Answer:

40 {}^{ \frac{1}{2} }

Step-by-step explanation:

The last one is also the answer

Using the rational exponet rule,

\sqrt[n]{ {x}^{m} }  = x {}^{ \frac{m}{n} }

Using this number,

\sqrt{40}

40 is the base so it will stay same. Remember this is a square root sign so our nth root is 2 so our denominator if the rational exponet is 2.

40 {}^{1}  = 40

so our numerator is 1 so

40 {}^{ \frac{1}{2} }

3 0
3 years ago
you are assembling desserts with a friend together you can make 12 desserts in 5 minutes. how many can you make in 20 minutes?
Sever21 [200]
You can solve this in two ways.

First way:
Let’s find out how many my friend makes in one minute.
12/5=2.4
He makes 2.4 in one minute. Let’s multiply that by 20 to find what he makes in 20 minutes.
2.4•20=48
My friend made 48 desserts.

Second way:
Let’s make a ratio.
12 desserts:5 minutes
X desserts: 20 minutes
Whatever you do to one side, you have to do to the other. Since you are multiplying the minutes by 4, you have to multiply the desserts by 4.
12•4=48

So, my friend made 48 desserts.
Tell me if this helps!!!
3 0
3 years ago
Marie and fe work in a flower shop 6 hours on weekend to add their daily allowance in school. They spends 2 1/3 hours for making
Shkiper50 [21]

Answer:

2 1/6 hours

Step-by-step explanation:

2 1/3 + 1 1/2 + x = 6

convert all mixed numbers to improper fractions

7/3 + 3/2 + x = 6/1

change all numbers to have a common denominator

14/6 + 9/6 + x = 36/6

combine like terms

23/6 + x = 36/6

subtract 23/6 from both sides

x = 13/6

convert improper fraction to mixed number

2 1/6

7 0
3 years ago
You and three friends order pizza for large drinks in a loaf of Chi's bread you split the cost evenly with your friends what ord
Juliette [100K]

Answer:

I believe it would be division.

Step-by-step explanation:

Sorry if its wrong, i havent done a question like this in a long time, please forgive me!

6 0
2 years ago
Consider the right rectangular prism.
NARA [144]

Answer:

B

Please mark brainliest if correct

Step-by-step explanation:

We can rule out A and D because of the area.

The area of a cube with side length 1/4 is 1/64, times 840, is 13 1/8

The area of a cube with side length 1/2 is 1/8, times 420, is 52 1/2

7 0
2 years ago
Read 2 more answers
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