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Angelina_Jolie [31]
3 years ago
10

If middle school and senior school are winning football games in the ratio 3:9 . If the Middle school won 17 games, calculate ho

w many games did the senior school win?
Mathematics
1 answer:
Helen [10]3 years ago
4 0
The Middle school won 17 games so the senior school won 51 games

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I'm so confused, pls help
Vera_Pavlovna [14]

Answer:

x = 14      D

Step-by-step explanation:

(18x + 36) / 3 = 6x + 12

6x + 12 = -16 + 8x

-6x .                -6x

12 = -16 + 2x

+16 . +16

28 = 2x

/2 .   /2

14 = x

8 0
2 years ago
7. Is it proportional?
SCORPION-xisa [38]

Answer:

A unit rate is the rate of change in a relationship where the rate is per 1.

The rate of change is the ratio between the x and y (or input and output) values in a relationship.  Another term for the rate of change for proportional relationships is the constant of proportionality.

If the rate of change is yx, then so is the constant of proportionality.  To simplify things, we set  yx=k, where k represents the constant of proportionality.  

If you solve a yx=k equation for y, (like this: y=kx), it is called a direct variation equation. In a direct variation equation, y varies directly with x. When x increases or decreases, y also increases or decreases by the same proportion.

To find y in a direct variation equation, multiply x by the constant of proportionality, k.

For example: Given the relationship y=7x, the constant of proportionality k=7,  so if x=3,  then y=3×7 or 21.

Given the same relationship, if x=7,  then y=7×7, or 49.  

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Five fourths of a right angle
sleet_krkn [62]
The answer would be 112.5 plz give me thanks and full rating PLZZZZZZ
8 0
3 years ago
Are 12:14 and 60:70 equivalent ratios?<br><br> yes<br> no
NNADVOKAT [17]

Answer:

Yes, they are equalent

Step-by-step explanation:

12:14 = 6:7

60:70 =6:7

both can be simplified to 6:7

5 0
3 years ago
the formula for the area of a triangle is 1/2bh=A. Which of the not a first step to rearrange this formula to find to find the b
Travka [436]

Answer:

base=area=1/2b×h

Step-by-step explanation:

it's a pleasure to help you goodbye. if I'm wrong tell me right away.

5 0
3 years ago
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