Answer:
A: Neither is a better deal, they cost the same person cubic foot
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B: The large truck's volume is 2.3 times greater than the small truck's
C: At least: three vans, or two small trucks, or one large truck
Step-by-step explanation:
V=Lhw R=$/ft³
Vv=10.5(6)(6)
Vv=378 ft³
Rv=94.5/378
Rv= 25¢ per ft³
Vs=12(8)6.75
Vs=648 ft³
Rs=162/648
Rs=25¢ per ft³
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Vl=20(8.75)8.5
Vl=1487.5 ft³
1487.5=648n
2.295=n
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If we add the equations it looks like
-5y + 8x + 5y + 2x = -18+58
so 10x=40
so x=40/10=4
now let's replace x by 4 in the second equation
5y +2*4=58
5y=58-2*4=58-8=50
so y=50/5=10
so (x, y) = (2, 10)
9.) Answer: B. f(x) = 4 - x
Explanation/Proof:
If we substitute, the answers are correct.
f(x) = 4 - (1)
f(x) = 3 ✅
f(x) = 4 - (2)
f(x) = 2 ✅
And so on and so forth.
Answer:
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Step-by-step explanation:
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Formula:
V= pi×radius square × height
Remember pi is 3.14
Height= 4 feet
Radius 14 feet
Plug in the numbers into the formula
3.14 × 14^ 2 × 4 = 2461.76 cubic feet
ANSWER: C. 2461.76
