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Dmitriy789 [7]
3 years ago
7

What is m3 + 9n when m = 4 and n = 5

Mathematics
2 answers:
WINSTONCH [101]3 years ago
6 0
I believe the answer is 57
atroni [7]3 years ago
6 0
I believe the answer is 57.
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Alenkasestr [34]

Answer:

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7 0
3 years ago
Translate to an inequality using the variable x. A number is less than 2​, or greater than 6 and less than or equal to 9.
Dmitrij [34]

Answer:

Please read the answers below

Step-by-step explanation:

Let's use x for writing the inequalities asked:

A number is less than 2​:

x < 2

A number is greater than 6 and less than or equal to 9:

6 < x ≤ 9

8 0
3 years ago
A swimming pool has a diameter of 24 feet. What is the minimum amount of fabric needed to cover the pool if the cover must hang
Alika [10]

Answer:

531.167 ft²

Step-by-step explanation:

Given data

Dimension of pool

Diameter =24ft

Radius =12ft

If the cover must hang by 1ft around, then the diameter is 26ft

Radius =13ft

Area of cover = πr²

Substitute

Area = 3.142*13²

Area =3.143*169

Area =531.167 ft²

Hence the minimum area is 531.167 ft²

5 0
2 years ago
Add the two expressions.<br><br> −2.4n−3 and −7.8n+2
Sphinxa [80]

Answer:

-10.2n - 1

Step-by-step explanation:

We have two expressions in variable n and we have to add the two expressions.

An important thing to note is that only like terms can be added. i.e. the term with "n" can only be added or subtracted to the term with "n". Similarly a constant can only be added or subtracted to a constant.

(-2.4n-3)+(-7.8n+2)\\=-2.4n-3-7.8n+2\\=-2.4n-7.8n-3+2\\=-10.2n-1

Thus, the two given expressions add up to -10.2n - 1

4 0
3 years ago
5/4 hour = __ minutes
Rudik [331]

Answer:

hour= 1.25

MINUTES ANSWER= 75 minutes

Step-by-step explanation:

hope that helps>3

5 0
3 years ago
Read 2 more answers
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