2 years ago

What is 1180 rounded to the nearest ten

Mathematics

2 answers:

Law Incorporation [45]2 years ago

8 0

Answer:1180

Step-by-step explanation:

0-4 dont change 51 would be 50

5-9 add one 56 would be 60

bazaltina [42]2 years ago

6 0

Answer:

Step-by-step explanation:

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3 years ago

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2 years ago

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What is the area of this triangle in square inches?

adelina 88 [10]

The area of a triangle is found by multiplying the base by the height, then dividing that by 2:

Area = 10 * 7 = 70

70 / 2 = 35 square yards.

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2 years ago

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3 years ago

If you add 21 to my number and then multiply the result by 3, you will get 84 more than two-thirds of my number. Find my number.

Ksivusya [100]

Based on the calculations, the unknown number is equal to $\frac{-45}{7}$

Let the unknown number be x.

<h3>How to find an unknown number:</h3>

Translate the word problem into an algebraic expression, we have;

Adding 21 to the unknown number:

$21 +x$

Multiplying the result by 3:

$3\times (21+x)$

84 more than two-thirds of the unknown number:

$\frac{2x}{3} +84$

Equating the equations, we have:

$3\times (21+x) = \frac{2x}{3} +84\\\\43+3x=\frac{2x}{3} +84$

Cross-multiplying, we have:

$43+3x=\frac{2x}{3} +84\\\\129+9x=2x+84\\\\9x-2x=84-129\\\\7x=-45\\\\x=\frac{-45}{7}$

Read more on word problems here: brainly.com/question/13170908

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2 years ago