Evaluate each of the following to the nearest 100th

Mathematics

1 answer:

ruslelena [56]3 years ago

7 0

Can someone please help me answer this question on my page, its worth 99 points, no joke

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Can someone actually answer this question pls its my 3rd time posting it and ill ive gotten was wrong or answers that make no se

andre [41]

Answer:

(-2+-5) equals -7.

Because the signs are the same, we dont change it.

(3+5) equals 8. Same like the other equation, the signs are the same so we do not change it.

Now we do (-7+8) The answer will be 1. Lets use a little graph since its hard to explain.

-8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8

Mark -7 anyway you want. (Circle it, draw a line under it, what ever you want.)

Now Move the line 8 times.

When you do that your line will stop at 1.

And thats how you do it.

Step-by-step explanation:

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3 years ago

Read 2 more answers

What is the simplest way to explain scale drawings for middle school math?

Allushta [10]

Answer:

The simplest way to teach middle school math scale drawings is to use real pictures to relate to each other to explain the concept. For example, scaling a red ball of 1" to a ball of 2" and so on. This will show how the ball increases by size by adding 1" each time.

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3 years ago

Find the minimum sample size needed to be 99% confident that the sample's variance is within 30% of the population's variance.

liq [111]

The Minimum sample size table is attached below

Answer:

$X=173$