3 years ago

The graph shows a proportional relationship between the cost of carpet cleaning (y-axis) and the area of the carpet (x-axis).

Mathematics

2 answers:

Savatey [412]3 years ago

8 0

I think its 150 thats what i put and it said it was correct

ivolga24 [154]3 years ago

6 0

Answer: 150

Step-by-step explanation:

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RUDIKE [14]

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b part is the correct answer

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It is B

Step-by-step explanation: n is -1.5 and m is 2.5

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3 years ago

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Korolek [52]

$-15=-4m+5\ \ \ |both\ sides\ /+4m\\\\4m-15=5\ \ \ \ |both\ sides\ /+15\\\\4m=20\ \ \ \ |both\ sides\ /:4\\\\\underline{\underline{m=5}}$

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$8n+7=31\ \ \ \ |both\ sides\ /-7\\\\8n=24\ \ \ \ |both\ sides\ /:8\\\\\underline{\underline{n=3}}$

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$10(k-9)=-10\ \ \ \ |both\ sides\ /:10\\\\k-9=-1\ \ \ \ |both\ sides\ /+9\\\\\underline{\underline{k=8}}$

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3 years ago

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Natali [406]

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4 years ago

Solve each equation. Show all your work. Round your answers to four decimal places. (a) 7^4x=10,(b)ln(2)+In(4x-1)=5

KengaRu [80]

A.) 7^4x = 10
log base 10 (7^4X) = log base 10 (10)
4x log base 10 (7) = 1
4x (0.8451) = 1
3.3804x = 1
x = 0.2958

b.) ln(2) + ln(4x-1) = 5
ln (2 * 4x-1) = 5
ln (8x-2) = 5
log base (3) (8x-2) = 5
e^5 = 8x-2
e^5+2 = 8x
x = 18.8016

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3 years ago