Answer:
1.5 km/h
Step-by-step explanation:
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<em>Sure hope this helps you</em>
13/36 would be the answer I believe
Answer:
B) y = 3x + 2
Step-by-step explanation:
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Hope this helps!
Perimeter is the sum of all the sides. One length equals (x+4) so both of the lengths will equal 2(x+4) = 2x+8. One width is (2x-7) so both will equal 2(2x-7) = 4x-14.
we can write this into an equation like so:
2x+8+4x-14=42
6x-6=42
6x=48
x=8
Then we substitute 8 back into the equations for the lengths of the sides.
8+4= 12 so the length is 12cm
2x8= 16, 16-7=9 so the width is 9cm