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nexus9112 [7]
2 years ago
12

Find the lowest common denominator and solve

Mathematics
1 answer:
irina [24]2 years ago
4 0

Answer:

the correct answer is d

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Decrease 40 by 15%<br><br> please explain how you got your answer too :)
Anit [1.1K]
So 10 % of 40 is 4
5% of 40 is 2
so 15% is 6
then you have to do 40-6
and then you get the answer of 34
8 0
3 years ago
Look at pic 10 pts will mark brainilest
Nina [5.8K]

Answer:

<em>For part one...</em>

<em><u>you will multiply 4.5 by 3 to get 13.5 . </u></em>

<em>For part two,</em>

<u><em> you will multiply 3m by 4 to get 12.</em></u>

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6 0
2 years ago
A used book store also started selling used CDs and videos. In the first week, the store sold 40 used CDs and videos, at 4.00 pe
masha68 [24]

Answer:

30 CDs and 10 Videos were sold.

Step-by-step explanation:

Given that a used book store also started selling used CDs and videos. In the first week, the store sold 40 used CDs and videos, at 4.00 per CD and 6.00 per video.

The sales for both CDs and videos totaled to 180.00.

Let CDs be x and Videos be y

Then we have x+y =3040

and 4x+6y = 180

Two simultaneous equations in two variables and can be solved by elimination method

multiply I equation by 4 and subtract from II.

2y = 20

y =10

x = 30

30 CDs and 10 Videos were sold.

4 0
2 years ago
Find F(-2)<br> F(x)=5^x<br> A=1/25<br> B=1/10<br> C=-10<br> D=-25
kati45 [8]
F(-2) when F(x)=5^x is 1/25
7 0
3 years ago
Dominic owns a small business selling used books. He knows that in the last week
Sav [38]

Answer:

About 9% or 0.09

Step-by-step explanation:

3 0
3 years ago
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