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Marina CMI [18]
3 years ago
12

The cost of a piece of carpet is dependent on its area, in square feet, as shown in the graph.

Mathematics
1 answer:
Bess [88]3 years ago
3 0

Answer:

A. false

B. c = 2.258241758a - 1.923076923

C. $290

Step-by-step explanation:

Part B was solved using a graphing calculator

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If a person earns $275 per week, how much is earned in 26 weeks
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Step-by-step explanation:

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4 0
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How do I convert 4/5 to a percent
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5 0
3 years ago
Given CS=2x+1, SB=6x, CR=7.5, and RA=18. What must the value of x be in order to prove SR || BA? Justify your answer
Anna [14]
The picture in the attached figure

we know that
In similar triangles. The ratio of the lengths of the sides CS and CB must be equal to the ratio of the lengths of sides CR and CA.   CS / CB = CR / CA
which can also be written as, 
CS / (CS + SB) = CR / (CR + RA)
CS*(CR+RA)=CR*(CS+RA)
CS=2x+1
SB=6x
CR=7.5
RA=18
(2x+1)*[7.5+18]=7.5*[2x+1+18]
(2x+1)*[25.5]=7.5*[2x+19]
(51x+25.5)=15x+142.5
51x-15x=142.5-25.5
36x=117
x=117/36
x=3.25

the answer is 
x=3.25

5 0
3 years ago
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