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steposvetlana [31]
3 years ago
5

What is the answer to the file below

Mathematics
1 answer:
Firlakuza [10]3 years ago
5 0
The picture is very blurry but the answer is 1 and 2
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Solve the equation and check the solution.
777dan777 [17]

Answer:

a = 4

Step-by-step explanation:

Here, we want to write and solve the given equation

a - 2.5 = 1.5

a = 2.5 + 1.5

a = 4

To check, we simply substitute a = 4

That would be;

4-2.5 = 1.5

This is correct

7 0
3 years ago
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Hey guys I need help, what is 12-(3)+7?
Basile [38]

Answer:

16

Step-by-step explanation:

12 - 3 = 9

9 + 7 = 16

3 0
2 years ago
Are composite numbers closed under multiplication
MrMuchimi

Answer:

Remember that for a subset of a ring to be an ideal it must be closed under addition and under taking multiples by elements of the ring, and in this case the set of all composite integers is not closed under addition.

Step-by-step explanation:

3 0
2 years ago
1. Choose the correct simplification of the expression −5x2(4x − 6x2 − 3).
nlexa [21]
1) <span>30x4 − 20x3 + 15x2

This is the answer to 1. Don't forget to rearrange the terms in ascending order. That can trip people up. 

2) </span><span>x3 + 8x2 + 13

Don't forget to check the terms sign. The subtraction symbol switches them all. </span>
6 0
3 years ago
Find the best approximation of the volume of the sphere.
BabaBlast [244]
V = 4/3πr³
V = 4/3(3.14)(14)³
V = 4/3(3.14)(2744)
V = 4/3(8616.16)
V = 11488.21333cm³
5 0
3 years ago
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