W = width
3w + 7 = length
Equation: 3w + 7 + w = 75
Combine like terms: 4w + 7 = 75
Subtract 7 to the other side: 4w = 68
Divide both sides by 4: w = 17
Width = 17
Length = 3(17) + 7, so 58
Answer: 20.52
Step-by-step explanation:
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Answer:
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A particle moves along the x-axis so that at time t ≥ 0 its position is given by x(t)=2t^3−9t^2−60t+4. What is the total distance traveled by the particle over the time interval 0≤t≤7 ?
Step-by-step explanation:
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Starting on the top row
1- 84,800
5- 104,000
10- 128,000
15 - 152,000
20- 176,000
Second row
1- 84,000
5- 102,103
10-130,312
15- 166,314
20- 212,264
Set the number as x
x/5=1.21
Multiply by 5 on each side to cancel the 5 in the denominator.
x=6.05
Check your answer:
6.05/5=1.21
1.21=1.21