Determine the missing side measures
2 answers:
I'm naming the left shape shape A and the right one shape B to make things easier to understand:
If these are the same shapes we can assume that Shape A was reduced by a factor of 2.5 to form Shape B (10/4=2.5).
With this number we can solve for x by multiplying 5 by 2.5 since we are enlarging Shape B to create Shape A. 5*2.5 is 12.5 so x=12.5.
For the two other missing sides I did the same step except dividing instead because we are going from big to small.
Top side: 8/2.5= 3.2
Right side: 10/2.5= 4
The answer is 25 which is by multiplying 4/10 and 5/x and the devide by 4
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Step-by-step explanation:
H+s=244
h=s-38
sub s-38 for h
s-38+s=244
2s-38=244
add 38 both sides
2s=282
divide 2 both sides
s=141
sub
h=s-38
h=141-38
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Step-by-step explanation:
Answer:
There are 180 marbles in the jar
Step-by-step explanation:
Let x = number of marbles in the jar
x * 25% = number of red marbles
x * .25 = 45
Divide each side by .25
x *.25/.25 = 45/.25
x =180
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