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2 years ago

14

A store is having a buy one get one 30% off sale. During the sale Christopher buys two pairs of shoes that each have a regular p

rice of 48$. How much does Christopher pay for the two pairs of shoes?

1 answer:

vlabodo [156]2 years ago

6 0

Answer: He paid $28.08.

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What is the value of x in the equation 4(2x + 12) = 0?<br> 0-8<br> 0-6<br> 06<br> 08

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A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is

xxTIMURxx [149]

Answer:

The test contains 10 three-point questions and 14 five-point questions.

Step-by-step explanation:

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Katherine wants to construct a small box with a volume of 20 cubic inches with the following specifications. The length of a box

pochemuha

V=LWH=20

L is 5 more than W
V=5+W

H is 1 less than W
H=-1+W

easy, sub 5+W for L and -1+W for H in LWH=V=20

20=(5+W)(W)(-1+W)
expand
20=W^3+4W^2-5W
minus 20 both sides
W^3+4W^2-5W-20=0
either factor or graph to find the possible values for W
(W+4)(W^2-5)=0
set each to zero

W+4=0
W=-4
impossible, measures cannot be negative
W^2-5=0
add 5
W^2=5
sqrt both sides
W=√5

sub back

L=5+W
L=5+√5
aprox
7.24 rounded

H=-1+W
H=-1+√5
aprox
1.24 rounded
the dimentions are
√5 by (5+√5) by (-1+√5) or aprox
2.24in by 7.24in by 1.24in

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