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Greeley [361]
3 years ago
9

Find a rational number that is between 7.7 and 7.9. Explain why it is rational

Mathematics
2 answers:
Gnoma [55]3 years ago
5 0

Answer:

7.8

Step-by-step explanation:

One rational number can be 7.8

It is rational because it has terminating decimal expansion

Sophie [7]3 years ago
3 0
There are a lot of rational number between 7.7 and 7.9, but the problem asked to find only one ratio number, so I will choose one which is 7.8. 7.8 is a rational number because ration number means that it can change into a fraction or improper fraction.
Now, let's change 7.8 into the fraction
First of all, change this into mixed number:
7.8
=7 8/10
=7 4/5
Then, change this into improper fraction.
Step 1:
Numerators:
7×5+4=39
Step 2:
Denominator
5, so your final answer will be 39/5. Hope it help!
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A cardboard carrying box has the dimensions shown below. How many square inches of cardboard are needed to make the box?
Temka [501]

Answer:

D, 344

Step-by-step explanation:

5x6 = 30x2 = 60

6x10 = 60

5x10 = 50x4 = 200

4x6=24 (dont need to divide by two since theres two triangles)

24+60+60+200= 344

8 0
3 years ago
Read 2 more answers
PLEASE HELP LOOK AT THE PICTURE
hammer [34]

Answer:

x = 10

Step-by-step explanation:

-8(-3 + x) = -56

Distribute the -8 into the (-3 + x).

24 - 8x = -56

Subtract 24 from both sides.

-8x = -80

Divide both sides by -8.

x = 10.

Proof:

-8(-3 + x) = -56

Substitute variable.

-8(-3 + 10) = -56

Add inside parenthesis.

-8(7) = -56

Multiply.

-56 = -56

4 0
3 years ago
Read 2 more answers
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KATRIN_1 [288]
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5 0
3 years ago
The question is in the picture (:
Arte-miy333 [17]

Answer:

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6 0
3 years ago
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mezya [45]

Answer:

The 3rd set

Step-by-step explanation:

The first set has a range of 6, not 5

The second set has a range of 5, but not a mean of 5

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8 0
2 years ago
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