There is a group of 7 people ordering pizza. If each person gets 4 slices and each pizza has 8 slices, how many pizzas should th
1 answer:
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Answer:
a = 21
Step-by-step explanation:
If x = h is a zero of a polynomial then f(h) = 0, thus
p(- ) = 27( -
)³ - a(-
) - (-
) + 3 = 0, that is
27 (- ) -
a +
+ 3 = 0
- 1 - a +
= 0 ( multiply through by 9 to clear the fractions )
- 9 - a + 30 = 0
- a + 21 = 0 ( subtract 21 from both sides )
- a = - 21 ( multiply both sides by - 1 )
a = 21
Answer:
504 miles
Step-by-step explanation:
Make a proportion
=
7/12 is 0.5833, so multiply 864 by that to find the number of miles
864(0.5833) = 504