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frez [133]
3 years ago
14

How much is 3/4 of 120? And how much is 3/8 of 160?

Mathematics
2 answers:
joja [24]3 years ago
7 0
3/4 of 120 would be 90.
If you divide 120 into 4 equal parts, each part would be worth 30, because 30 multiplied by 4 is 120. So, to find how many 3 parts would equal, you add 30 plus 30 plus 30. 
You get 90. So, Megan has 90
3/8 of 160 would be 60 
If you divide 160 into 8 equal parts, you get 20 for each part, because 20 multiplied by 8 is 160. So to find how many 3 parts would equal, you add 20 plus 20 plus 20.
you get 60. So, Alex has 60.
The question is asking you how many more Megan has. Well, Megan has 90, and Alex has 60. 90 - 60 is 30.
Your answer would be 30.
I hope this helped
RoseWind [281]3 years ago
4 0
3/4 of 120
=3/4*120
=360/4
=90

3/8 of 160
=3/8*160
=480/8
=60
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I don’t understand this can someone please give me and example on how to do it please?
olga55 [171]
For the first one,

you multiply 5x and -5 to get -25.

Then you move the constant to the right and change the sign to get 3x= -21 +25.

Calculate the sum of -21+25 to get 4.

Divide both sides of the equation by 3 to get x=4/3.

So then your final answer is x=4
——
3


For the second one,

Distribute 7 through the parentheses to get 14x + 14+8=120

The you add 14+8 to get 22. Your equation should be 14x+22=120

Move the constant to the right side and change its sign to get 14x=120-22

Subtract 120-22 to get 98. Now your equation should be 14x=98

Divide both sides of the equation by 14 to get x=7.

Your finial answer for the second one should be x=7.
—————————————————————-
I hope this made sense.
5 0
3 years ago
PLEASE HELP FOR 48 POINTS PLEASE!<br><br><br><br> show/explain your answer and work
pentagon [3]

Answer:

c  This is the direct variation

Step-by-step explanation:

The equation for direct variation is y= kx

Solving this for k

y/x =k

So y/x must be a constant

a.  9/3 =3

2/7 does not =3  so this is not a direct variation


b 1/2 = .5

-3/6 = -.5

This is not the same so this is not a direct variation


c.  27/9 =3

18/6 =3

9/3 =3

This is a direct variation with a constant of 3


d 5/-7 = -5/7

1/-3 = -1/3

This is not the same so this is not a direct variation

4 0
3 years ago
Read 2 more answers
Which of the following demonstrates the Commutative Property of addition?
Crazy boy [7]

Answer:

To my calculations, I think its the first one, 4+2=2+4

I hope this helps! ^^

Apologizes if you get it wrong-

Step-by-step explanation:

5 0
3 years ago
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zalisa [80]

Answer:

2

Step-by-step explanation:

5 0
2 years ago
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Cameron read
Brut [27]
That doesn’t make any sense to me sorry
4 0
3 years ago
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