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3 years ago

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Mathematics

1 answer:

kolbaska11 [484]3 years ago

5 0

Answer:

0.1219512195122

Step-by-step explanation:

To write 10/82 as a decimal you have to divide numerator by the denominator of the fraction.

We divide now 10 by 82 what we write down as 10/82 and we get 0.1219512195122

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Based on a survey of U.S. residents completed in 2014, ___________ percent of respondents agreed that global warming is occurrin

Daniel [21]

Using the percentage concept, supposing 520 out of 1000 respondents believe in global warming, 52% of respondents agreed that global warming is occurring.

<h3>What is a percentage?</h3>

The percentage of an amount a over a total amount b is given by a multiplied by 100% and divided by b, that is:

$P = \frac{a}{b} \times 100\%$

In this problem, we suppose that 520 out of 1000 respondents believe in global warming, hence a = 520, b = 1000, and the percentage is of:

$P = \frac{520}{1000} \times 100\% = 52\%$

More can be learned about the percentage concept at brainly.com/question/10491646

3 0

2 years ago

What is the answer to 24ab+ab-7

MrRissso [65]

24ab+ab-7
=25ab-7

#maybe XD

5 0

3 years ago

Please hurry helppppp

MariettaO [177]

Answer:

$\frac{189}{100}$

Step-by-step explanation:

Given the decimal number 1.89, we are required to convert to fraction

Step 1: write the decimal number given divided by 1

$\frac{1.89}{1}$

Step 2: multiply both the up and down by 10 for every number you have after the decimal point

We have 2 numbers (8 and 9) after the decimal point. This means we would multiply both the up and down by 100.

Thus,

$\frac{1.89*100}{1*100}$

$\frac{189}{100}$

Converting 1.89 to fraction would give us:

$\frac{189}{100}$

6 0

4 years ago

How many real solutions does this system of equations have? x² + y² = 25 and x-3y=15

olya-2409 [2.1K]

$x - 3y = 15 \\ x = 15 + 3y$

$(15 + 3y) {}^{2} + y {}^{2} = 25$

$225 + 90y + 9y {}^{2} + y {}^{2} = 25$

$10y {}^{2} + 90y + 200 = 0$

$y {}^{2} + 9y + 20 = 0$

$(y + 4)(y + 5) = 0$

$y = - 4 \: \: \: \: \: \: y = - 5$

$for \: y= - 4 \\ x = 15 + 3( - 4) = 15 - 12 = 3$

$for \: y = - 5 \\ x = 15 + 3( - 5) = 15 - 15 = 0$

3 0

2 years ago

Plzz help! I need to finish this test.

Alenkasestr [34]

Answer:

C. 2.23.

Step-by-step explanation:

It's not more than 2.3 and not less than 2.2. Considering the fact that it's closer to 2 and two tenths rather than 2 and three tenths implies that it's a little over 2.2.

7 0

3 years ago