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luda_lava [24]
3 years ago
12

PLEASE PLEASE HELP ME!

Mathematics
1 answer:
Sladkaya [172]3 years ago
3 0

Answer:

y=3/4m

Step-by-step explanation:

All proportional relationships have the form y=mx where m is the rate of change from the families donations x to the business donations y. We can find the rate of change m by substituting values we already know. We know when x=$12 then y=$9.

9=m*12

We solve for m by dividing by 12 on both sides.

m=9/12

This simplifies to 3/4 so

m=9/12=3/4.

The equation is y=3/4m

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During a sale price, a dress is marked is mark down from a selling price of $68 to a sale price of $44.20 what Is the percent ma
vesna_86 [32]

Answer: It was marked down by 35%

Step-by-step explanation:

1. find the difference of the two prices, 68-44.20=23.8

Take the fraction 23.8/68 (because that is how much the price changed and you need to find what percent that is.

You get 35%

3 0
3 years ago
Find the area of the semicircle need help asapp
sergij07 [2.7K]

Answer:

2 pi

Step-by-step explanation:

The radius is 2

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We have 1/2 of a circle so

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4 0
3 years ago
Simplify and state the excluded value for (18r^2)/(12r)
Viefleur [7K]

Answer:

216r^3

Step-by-step explanation:

18*r^2*12*r

216*r^3

216r^3

I hope it's help!

7 0
3 years ago
What is the surface area of a rectangular prism with a width of 4mm, length of 10 mm, and height of 7mm?
Rus_ich [418]
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\
3 0
3 years ago
!!!!pleaseee help!!!!!
Alex17521 [72]

Answer:

1st option is correct .........

5 0
2 years ago
Read 2 more answers
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