3 1/2r=28
7/2r=28
r=(28/1)(2/7)
r=8
14/5 = 2.8 yds
14/5 yds is longer then 1.7 yds
By substitution is how to solve
2x-3y=21
y=3-x
2x-3(3-x)=21
2x-9+3x=21
5x=30
x= 6
now substitute our x value into y=3-x
so we get
y=3-6 = -3
so x=6 and y=-3 hope this helps!!!!! Thank you!
<span>In algebra, you can use function __Notation______ to express the idea that salary depends on the number of hours of training.
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Answer:
30
Step-by-step explanation:
substitute 5 for x
6*5=30
