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stellarik [79]
3 years ago
7

The sum of a certain number and -3.4 is -8.1 find the number​

Mathematics
2 answers:
pentagon [3]3 years ago
6 0

Answer:

-4.7

Step-by-step explanation:

-8.1 + -3.4 = -4.7

This works because - and + are inverse operations, so you can use + to help find a - problem or see if it's correct, or vise versa.

alexira [117]3 years ago
5 0

Answer:

4.7

Step-by-step explanation:

If you use the rules of the signs to eliminate the minuses and then substract 8.1 from 3.4 you get 4.7 which, if you sum it with 3.4 gives 8.1

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Answer:

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Step-by-step explanation:

given r=6

center is (-2,-2)

the equation becomes

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on simplifying we get the answer

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3 years ago
What is 7/4 as a mixed number?<br> a. 17/4<br> b. 3/4<br> c. 13/4<br> d. 11/4
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Step-by-step explanation:

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3 years ago
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Last summer, winky's waterpark kept track of the number of park visitors each day.
Montano1993 [528]

As per the given data 100, 150, 200, 250, 300, 350 the range of the data set is 250.

<h3>What is range?</h3>

It is defined as the difference between the maximum value in the data set to the minimum value in the data set.

We have:

Last summer, Winky's watermark kept track of the number of park visitors each day.

The data given:

100, 150, 200, 250, 300, 350

As we know range is a statistical measure which is the difference between maximum and minimum value.

Range = maximum value in data set—minimum value in data set

Range = 350 - 100 = 250

Thus, as per the given data 100, 150, 200, 250, 300, 350 the range of the data set is 250.

Learn more about the range here:

brainly.com/question/17553524

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Answer:

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Step 2: Divide the GCF out of every term of the polynomial.

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