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DIA [1.3K]
3 years ago
11

Find an irrational number that is between 7.7 and 7.9. Explain why it is irrational. Include the decimal approximation of the ir

rational number to the nearest hundredth.
help please
Mathematics
1 answer:
Radda [10]3 years ago
6 0
The irrational number is 7.8. It is irrational because it does not terminate or repeat
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if the pool has a constant depth of 1.5 meters, what is the volume of the pool? Rounded to the nearest tenth
Delicious77 [7]

Answer:

8

Step-by-step explanation:

because if you round the 1.5  it = 2 and the the pool would be the same on all sides so it would be 2*2*2 to get depth time height times length to get your total of 8. sorry if i get this wrong, just trying to help

8 0
2 years ago
About 250 million drivers are registered in the United States. While on a trip with her family, a student counted the number of
Lilit [14]
She could estimate that there would be about 148 million female drivers.

From her data, she found there were 118 females drivers out of the total 200 drivers that she counted.

That is 118 out of 200 or 0.59 or 59%.

Now, just take 59% of 250.

0.59 x 250 = 147.5 which rounds to 148.
4 0
3 years ago
How are √25 and √-25 different in the terms of a solution for both? *
Tanya [424]

Answer:

For \sqrt{25} it will be plus or minus \sqrt{5}

For \sqrt{-25} it will be plus or minus \sqrt{5i}

Step-by-step explanation:

Well for \sqrt{-25} it will be 5i

Because i = -1  

6 0
3 years ago
Please answer 5x < 10?
Natalka [10]

Answer:

<h2>x < 2</h2>

Step-by-step explanation:

Solving inequalities is easy, you just need to follow the standard rules of algebra. Also, when multiplying or dividing by a negative number, the inequality sign is reversed.

Step 1: Divide by 5

x < 2

Step 2: Check

5(1) < 10

5 < 10✔️

Step 3: Check Again

Since an inequality has multiple solutions, it is important to check at least 2, to determine if the entire range of solutions is true.

5(-6) < 10

-30 < 10✔️

Step 4: Verified Answer

x < 2

I'm always happy to help :)

7 0
2 years ago
Read 2 more answers
Factor: 81y^2-49<br> Your answer
oksian1 [2.3K]

Answer:(9y-7)(9y+7)

Step-by-step explanation:

81y^2-49

=(9y)^2-(7)^2

=(9y-7)(9y+7)

4 0
2 years ago
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