Step-by-step explanation:
RT^2=RS^2+ST^2
RT^2=16+9=25
RT=√25=5
The answer is 5
Answer:
x+3
Step-by-step explanation:
Multiply 3 by 4, which gets you 12 mph
Answer:
4
Step-by-step explanation:
5+3÷5-3=8÷2=4
Let w be the width of the deck. Then, using the total area, we get:
(9+2w)(18+2w)=400
4w²+54w-238=0
2w²+27w-119=0
(2w-7)(w+17)=0
w=-17 or 7/2
Using the positive value, we get a width of 3&1/2 ft. for the deck
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