The formula for the volume of a pyramid is:
V = (l * w * h) / 3
knowing the formula we can replace the letters with the values we know:
v = 162
h = 6
since they told us the pyramid is square, we know that both L and W would be the same, so now we CAN SAY L *W = L^2 and solve for that:
162 = (l^2 * 6) / 3
multiply both sides by 3
486 = l^2 * 6
divide both sides by 6:
81 = l^2
l = sqrt(81)
l = 9 feet
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Answer:
3,0,- 3,4
Step-by-step explanation:
Answer:
9 hours
Step-by-step explanation:
Abe's charge = Gabe's charge
$130+($70/hr)h = $40+($80/hr)h
Then 130 + 70h = 40 + 80h, or
90 = 10h, or h = 90/10 = 9
When 9 hours have passed, the amount charged by each person will be temporarily equal.
Answer:
y=mx+b
y=-1x-4
y=2x+4
Step-by-step explanation:
