What is 1/5 of 15 pennies

Answers

Answer 1

Answer: 15/5 = 3 so 3 pennies

Answer 2

Answer: you divide across , it menas 15/5, and the answer you multiply it by 1...
1/5 of 15= 1(3)= 3

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Which measure of central tendency is found by calculating the sum of all data in the set divided by the number of data values in the act?A)Mean

B)Interquartile range

C)Median

D)Mode

Answers

The answer would be A, Mean

The mean is the Average of a data set.

I hope that this helps. If it does, please rate Brainliest :D

The correct answer is MEAN and I am 100% sure

when Sally picks any number between 1 and 20, doubles it, adds 6, divides by 2 and subtracts 3, she always gets the number she started with. why?

Answers

lets say number is x

doubles it (2x)
adds 6 (2x+6)
divide it by 2 (2x+6=2(x+3) so 2(x+3) divided by 2=x+3)
subtract 3 (x+3-3=x)

becasue math is fun, brah

I think it might be because 2 and 3 are factors of 6.

The number of blueberry muffins that a baker makes each day is 40% of the total number of muffins she makes.Part A:
On Monday the baker makes 36 blueberry muffins. What is the total number of muffins that the baker makes on Monday?

Part B:
On Tuesday, the baker makes a total of 60 muffins. How many blueberry muffins does the baker make on Tuesday?

Once again please answer this question ASAP and please explain! Thanks!

Answers

The baker:

Baked 90 muffins on Monday
Baked 24 Blueberry muffins on Tuesday

On Monday. The baker baked 36 blueberry muffins and this is 40% of the total she makes. Assuming the total is x, the expression would be:

36 = x × 40%

36 = 0.4x

x = 36 / 0.4

= 90 muffins in total

On Tuesday, she makes 60 muffins of which blueberry muffins are 40%:

= 60 × 40%

= 24 blueberry muffins

In conclusion, the Baker baked 90 muffins in total on Monday and 24 blueberry muffins on Tuesday.

Find out more at brainly.com/question/9533548.

Answer:

Part A: 90; Part B: 24.

Step-by-step explanation:

The number of blueberry muffins is 40% of the total number of muffins.

Part A: There are 36 blueberry muffins. This is 40% of the unknown number of muffins, x; this gives us

36 = 0.4x

Divide both sides by 0.4:

36/0.4 = 0.4x/0.4

90 = x

There were 90 total muffins.

Part B: 40% of the total number of muffins, 60, gives us the unknown number of blueberry muffins:

0.4(60) = x

24 = x

There were 24 blueberry muffins.

If 25% of a number is 20, what is 60% of the number

Answers

The 60% of the number is 48.

What is Percentage ?

A percentage is a quantity or ratio expressed as a fraction of one hundred. It's sign is % .

It is given in the question that

if 25% of a number is 20, what is 60% of the number

Let the number be x

Making the expression from the given quation

(25/100) *x = 20

x = 20 * 100 / 25

x = 80

Therefore the number is 80

Then 60% of the number is

(60/100)*80

Therefore the 60% of the number is 48.

To know more about Percentage

brainly.com/question/24159063

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Set up a proportion, 20 over 25% and x over 60% and the answer is 48

12 times the square root of 2 equals ?

Answers

$√(2)$ ≈1.41
12 x 1.41=16.92

Well, the square root of 2 is about 1.4
So,
$√(2)$ ≈ 1.4

$12 * 1.4 = 16.8$

A game room has a floor that is 120 feet by 75 feet. A scale drawing of the floor on grid paper uses a scale of 1 unit:5 feet. What are the dimensions of the scale drawing