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svetlana [45]
3 years ago
14

Can somebody help me with these questions ​

Mathematics
1 answer:
Leno4ka [110]3 years ago
5 0

Answer:

The first one is B. 11.75

The second one is A. 4

Step-by-step explanation:

In order to find how many liters (L) of paint he used you need to do 2.5*5.5=13.75 Then to find out how much he has left you do 25-13.75=11.75 So your answer is 11.75.

The second one you have to do the reverse. So since it says 4*_=48, you do 48÷4=_=12. Then since it says 12*1/3=_ You can do 12÷3=_=4 So your answer is 4.

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To multiply (6x + 5) (6x – 5),
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a=6x and b=5

Step-by-step explanation:

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Find the distance between the points (–8,10) and (4,10).
Semenov [28]

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12

Step-by-step explanation:

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8 0
3 years ago
1. If there is a decrease of 31 percent, what decimal do we multiply by to get the amount after the decrease?
sdas [7]

answer

1.

Short answer: 0.69Take 100. 31% = 31, 100-31=69Of course, when you increase the result by 31 percent you do not get the 100 back. But that was not the question.But, for completeness what do I multiply by to get the number, when adding 31 percent, gives me the original number, it is 0.7633 (1/1.31)

2.

Your measure start at 16. So that is the basis (unless stated otherwise) upon which you reference the change.

That is:

16

20−16

is you fraction.

This gives:

16

4

→

16÷4

4÷4

=

4

1

For this to be a percentage we need the denominator such that it becomes 100. Thus we have:

4

1

→(

4

1

×1)→(

4

1

×

25

25

)=

100

25

To express this in the standard script form we have 25%

お役に立てば幸いです

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2 years ago
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