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Gwar [14]
3 years ago
15

What percent of 75 is 10? Which of the following choices can be used to solve this problem?

Mathematics
2 answers:
andriy [413]3 years ago
8 0

Answer:

R= 10/75 ( The right and simple answer )

ICE Princess25 [194]3 years ago
3 0
10 of 75 is 13.33%

10 of 75 can be written as 10/75

Multiply both numerator and denominator by 100.

10/75 x 100/100 = 13.33%

If you are using a calculator, simply enter 10 / 75 x 100 which will give you 13.33 as the answer.
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Step-by-step explanation:

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5 0
3 years ago
A rectangular laboratory tray is 3/5 feet by 7/6 feet. What is the area
Alexus [3.1K]
7/10 is the simplest form of the fraction when you multiply (3/5) by (7/6)
6 0
3 years ago
Factor -28x2-12x , thank you all for helping me answer these questions.
goldenfox [79]
<span>-28x²-12x = -4x(7x+3) the first one is answer</span>
6 0
2 years ago
A gray crayon is made with 5\text{ mL}5 mL5, space, m, L of black wax for every 6\text{ mL}6 mL6, space, m, L of white wax.
zloy xaker [14]
The correct answers are B and C.

Since the mixture requires 5 mL of black wax and 6 mL of white wax, we want multiples of these numbers; specifically, we need multiples that are the same number of times away.

A does not work; 10 is 5*2 and 24 is 6*4.  These won't be in the same ratio.

B works; 15 is 5*3 and 18 is 6*3.  These have the same ratio.

C works; 35 is 5*7 and 42 is 6*7.  These have the same ratio.

D does not work; 26 is not a multiple of 6.

E does not work; 45 is 5*9 and 48 is 6*8.  These will not have the same ratio.
8 0
3 years ago
Read 2 more answers
You measure 47 backpacks' weights, and find they have a mean weight of 79 ounces. Assume the population standard deviation is 13
ki77a [65]

Answer:

3.14

Step-by-step explanation:

Given that:

Mean weight (m) = 79 ounces

Population standard deviation (s) = 13.1

Sample size = 47

Maximal margin of error associated with 90% confidence interval.

The margin of error is given by:

Zcritical * (standard deviation / sqrt(sample size)

Z critical at 90% confidence interval = 1.645

Hence,

Zcritical * (standard deviation / sqrt(sample size)

1.645 * 13.1 / sqrt(47)

1.645 * (13.1 / 6.8556546)

1.645 * 1.9108313

Hence, the margin of error is :

3.1433174885

= 3.14

8 0
3 years ago
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