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4 years ago

Write 7 over 10 as a percentage

Mathematics

1 answer:

Levart [38]4 years ago

8 0

70%

A percentage is the same thing as a fraction with a denominator of 100. To make our current denominator change to 100, we must multiply it by 10. So, we must do the same thing to the numerator. 7 times 10 is 70, and 10 times 10 is 100. This means 7/10 equals 70/100, which is 70%.

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Solve: 12/35 − 5/21 a. 11/105 b. 3/7 c. 61/105

Otrada [13]

Answer:

a: 11/105

Step-by-step explanation:

Simplify the following:

12/35 - 5/21

Put 12/35 - 5/21 over the common denominator 105. 12/35 - 5/21 = (3×12)/105 + (5 (-5))/105:

(3×12)/105 + (5 (-5))/105

3×12 = 36:

36/105 + (5 (-5))/105

5 (-5) = -25:

36/105 + (-25)/105

36/105 - 25/105 = (36 - 25)/105:

(36 - 25)/105

| 3 | 6

- | 2 | 5

| 1 | 1:

Answer: 11/105

6 0

3 years ago

Which one is correct<br> a.<br> b.<br> c.

katrin [286]

I am pretty sure it is b sorry if wrong

5 0

3 years ago

Information from the American Institute of Insurance indicates the mean amount of life insurance per household in the United Sta

Molodets [167]

Answer: $5656.85

Step-by-step explanation:

The standard error of the mean measures the dispersion of sample means about the population mean .

It is also known as the standard deviation of its sampling distribution.

Formula : $SE=\dfrac{\sigma}{\sqrt{n}}$ , where $\sigma$ = population standard deviation.

n= sample size.

As per given , we have

$\sigma=\$40,000$

sample size : n= 50

Then, the standard error of the mean will be :-

$SE=\dfrac{\$40000}{\sqrt{50}}=\$5656.85424949\approx\$5656.85$

Hence, the standard error of the mean= $5656.85

4 0

3 years ago

Which statement is not true by CPCTC

Nana76 [90]

The answer to your question is the third statement

5 0

3 years ago

Read 2 more answers

Which of these are proposition ? What are the truth values of those that are propositions? a) Do you pas go b) What time is it ?

Licemer1 [7]

Answer:

Part A

c) These are no black flies in Maine

d) 4 + x = 5

e) The Moon is made of green cheese

Part B

c) Likely false

d) True

e) False

Step-by-step explanation:

Part A

A proposition is a sentence that declares affirmation or denies a subject's predicate by the use of a Copula

Therefore, the statements are;

c) These are no black flies in Maine

Here the subject is Maine, the predicate is no black flies, and the copula is are

d) 4 + x = 5

Here the subject is '4 + x', the predicate, 5 and the Copula is '='

e) The Moon is made of green cheese

Here the subject is the Moon, the predicate is 'made of', and the copula is 'is'

Part B

The truth value of the statements are;

c) Likely false

d) True, 'x' is a variable

e) False

8 0

3 years ago