What's the square root of 9

Answers

Answer 1

Answer: 9 has two square roots.
They are +3 and -3 .

Answer 2

Answer: 3 is the square root of 9

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~Please help~
-thank you :)

Answers

56 divided by 14
so there are 4 times more people
therefore you would need 4 times more food

30,050,000 in scientific notation

Answers

3.005 x 10^7 or 10 to the seventh power. i cant type it on the computer.

If 78 sit-ups is done in 2 minutes how many can be done in 5 minutes

Answers

In 5 minutes 195 sit ups can be done.

What is referred as the unitary method?

The unitary method is a process that determines the value of a single unit from value of multiple units, as well as the value of multiple units from of the value of a single unit.
It is a method for determining the value of a single unit by subtracting the value of multiple units and subtracting the value of different components from of the value of a single unit.

For the given question.

If 78 sit-ups is done in 2 minutes.

this can be written as;

2 minutes -------> 78 sit ups.

For 1 minutes, divide both side by 2.

1 minutes -------> 39 sit ups.

For 5 minutes, multiply both sides by 5.

5 minutes -------> 195 sit ups.

Thus, in 5 minutes 195 sit ups can be done.

To know more about the unitary method, here

brainly.com/question/23423168

#SPJ2

Answer:

195

Step-by-step explanation:

78/2*5

What percent of 60 is 15

Answers

25%.

15 = 25%
30 = 50%
45 = 75%
60 = 100%

15/60 = 1/4 or 25 %

or
n% x 60 = 15 (the statement you wrote above changed into math)

.60n = 15 What allows me to move the decimal back two places? Normally you can change a percent to a decimal by moving it back two places. But if you don't know what the % is, you can move the number you are multiplying by back two places instead.
For example: 37 x .45 = .37 x 45 both = 16.65 - this shows that it doesn't matter which number is moved back two places - the answer will be the same. You can't move n% back two places (because you can't move a number you don't know back two places) so just move the number you are multiplying by, namely 60, back two place - that is how I got .60

.60n=15
.60 .60 divide both sides by .60

n= 25%

4m-17 <6m+ 25 I don't understand ahh I'm scared I got it wrong

Answers

4m - 17 < 6m + 25 (subtract 4m from each side)

-17 < 6m - 4m + 25

-17 < 2m + 25 (subtract 25 from each side)

-17 - 25 < 2m

-42 < 2m (divide 2 from each side)

-42/2 < m

-21 < m

The answer is m > -21

I dont get what evaluate 11.4n when n=5,n=6.5,and n=10.Please help

Answers

You replace the value of n with the given values. Therefore,
11.4(5)=57
11.4(6.5)=74.1
11.4(10)=114

You have to put the numbers in the place of n
11.4(5)=57
11.4(6.5)=74.1
11.4(10)=114

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