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Paul [167]
3 years ago
11

Please help these two questions!!! If you know it! It will mean a lot if you show me how to do it!

Mathematics
1 answer:
Kryger [21]3 years ago
8 0
A ) = $ 0.18/oz = 4.68/26

b) = $0.19/oz = 2.66/14= 0.19

a is a better buy

9) for every 5 babies they need 1 babysitter, so for 40 babies they will need 8 babysitters.
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6.4x+2.8y=44.4, when x=3
ANEK [815]
6.4x + 2.8y = 44.4 

6.4(3) + 2.8y = 44.4

19.2 + 2.8y = 44.4
-19.2             -19.2 

2.8y = 25.2
------    ------
2.8      2.8

y = 9
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4 years ago
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$19.35

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15. Sonny has $75 to spend. The purchase he wants to make requires
7nadin3 [17]

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He needs to borrow $18 to make the purchase.

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7 0
3 years ago
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I got a tricky one
Yuliya22 [10]

Answer:

D. f(-3) = 11

Step-by-step explanation:

When f(x) is divided by x+3, you get a quotient g(x) and a remainder of 11:

f(x) / (x + 3) = g(x) + 11 / (x + 3)

Multiply both sides by x+3:

f(x) = g(x) (x + 3) + 11

Substitute -3 for x:

f(-3) = g(-3) (-3 + 3) + 11

f(-3) = g(-3) (0) + 11

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4 years ago
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