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Ugo [173]
3 years ago
7

Help please help by showing work i couldn't understand and when answering both questions please say which question you are answe

ring thank you.

Mathematics
1 answer:
Digiron [165]3 years ago
4 0
16) y varies directly as x is the same thing as y=mx where m is the constant
for the first equation where the length is 7 and weight is 49 there fore
7=m49 in which m=1/7 so to find the length of the 2nd equation
y=m63
y=1/7 x63
y=9 inches


17)The raiser with the $6.25 would raise more money because if 25 ticket is sold and money received is $125 then each ticket is sold for $5  which means if the ticket is sold for $6.25 then 25 would bring in $156.25
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Maksim231197 [3]

Answer:

y = -17/2

Step-by-step explanation:

Substitute with the givens.

30= 8(8) + 4y.

Multiply parentheses.

30 = 64 + 4y

Subtract.

30-64= -34

-34 = 4y.

Divide each side by 4.

y = - 8.5, or -17/2

hope that is right!

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