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laiz [17]
2 years ago
11

PLEASE HELP (easy points)

Mathematics
1 answer:
Citrus2011 [14]2 years ago
5 0

Answer:

the first one i think

Step-by-step explanation:

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5(2f+3)=2(5f-1)<br> Is the no solution <br> One solution <br> Or many solutions
Veseljchak [2.6K]
5 (2f+3)=2(5f-1)
10f+15=10f-2
10f-10f=-2-15
f=-17
7 0
3 years ago
Read 2 more answers
What is the difference of the polynomials [m²n²-7]-(mn+4)
AleksAgata [21]
You can do addition and substraction operations with polynomials similarly as with simple real numbers.


First of all you have to open brackets and then you can add numbers (-7-4=-11). Then the result is following:
(m^2n^2-7)-(mn+4) =m^2n^2-7-mn-4=m^2n^2-mn-11
5 0
3 years ago
The change in the value of an account when given to the nearest dollar?
devlian [24]
What changes may occur if the given dollar will be rounded off to its nearest value.
<span>There will only be 2 chances, the dollar will become smaller or bigger. Why? </span>
Because in mathematical rules of rounding off numbers:
number below 5 will be round down and 5 and up will be rounded up.
For example:
You have a bill of $6.79  since the number next to the decimal point in the right is 7, it will be rounded up to $7.
<span>But if your bill is $6.25, it will be rounded down to $6.00 
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I got this from a different brainy member
7 0
3 years ago
Find the volume of a right circular cone that has a height of 17.8 ft and a base with a radius of 17.8 ft. Round your answer to
Alona [7]

Answer:

5905.9 ft  

Step-by-step explanation:

5 0
3 years ago
A rectangular garden has an area of 108 square meters.If it’s length la is 18 m, what is the width?
monitta

Answer: 6 m

Step-by-step explanation:

The area of a rectangle is the length times the width.

We can set up an equation.

108 m^2 = 18 m * width

Width = 6 m

7 0
2 years ago
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