3 years ago

Estimate the value of this expression by rounding each number to the nearest unit

1 answer:

3 0

So rounding to the nearest unit means replacing the number and taking the closest integer it is to. For example 0.96 is 1, and 5.45 is 5. So doing this in this prob. is 1 × 10 × 5, or 50.

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What is the circumference of a circle whose diameter is 20?

Sergeeva-Olga [200]

Answer:

C≈62.83

Step-by-step explanation:

Use the formula C=πd

Plug in 20 for d and simplify

You then get 62.8318530718 in a calculator

So, you round it to 62.83

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2 years ago

X4-3x3+3x2-3x+6÷x-2 synthetic division

Dima020 [189]

2 | 1 3 3 -3 6
| 0 2 10 26 46
___________

1 5 13 23 52

x^3+5x^2+13x+23+ (52/(x-2))

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2 years ago

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Finger [1]

Answer:

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Step-by-step explanation:

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2 years ago

Find the distance between each set of points. Round to the nearest tenth, when necessary. (-3, 2) and (1, -6)

vovangra [49]

Answer:

<h2>The answer is 8.9 units</h2>

Step-by-step explanation:

The distance between two points can be found by using the formula

$d = \sqrt{ ({x1 - x2})^{2} + ({y1 - y2})^{2} } \\$

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(-3, 2) and (1, -6)

The distance between them is

$d = \sqrt{ ({ - 3 - 1})^{2} + ({2 + 6})^{2} } \\ = \sqrt{ ({ - 4})^{2} + {8}^{2} } \\ = \sqrt{16 + 64} \\ = \sqrt{80} \: \: \: \: \: \: \: \: \: \: \\ = 4 \sqrt{5} \: \: \: \: \: \: \: \: \: \: \\ = 8.9442719...$

We have the final answer as

8.9 units to the nearest tenth

Hope this helps you

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2 years ago

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inna [77]

Linear. They all follow the format y=mx+c wether or not they have been rearranged.

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2 years ago

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