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kow [346]
3 years ago
10

A homeowner uses GGG hours of natural gas heat and PPP hours of heat from a pellet stove to heat her house one month, with a tot

al of 575757 therms of output. How many therms per hour does the pellet stove output
Mathematics
1 answer:
Lisa [10]3 years ago
8 0

Answer:

0.0792therms/hour

Step-by-step explanation:

Given

Total output per month = 57 therm of output

Required

Total output of the pellet stove in one hour

Since 1month = 24×30 = 720hours

Hence:

57therms = 720hours

x therm = 1hour

Cross multiply

720×x = 57

x = 57/720

x = 0.0792 therms/hr

Hence the pellet stove use 0.0792therms/hour

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zepelin [54]

Answer:

your answer is x >18

Step-by-step explanation:

Jahsiah's mistake was he added 9 to both sides of the equation. He should have subtracted 9 from both sides of the equation.

Here's the solution

-2x+9<-27

-9 -9

-2x/-2x<-36/-2x

when u divide by negative in inequalities, u change the sign. So ur correct answer is x>18

hope this helped.

6 0
3 years ago
Which lines have slope -4/5 and contain point (0,1)?
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3 0
3 years ago
3. Factor.
sleet_krkn [62]
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5 0
3 years ago
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vagabundo [1.1K]

Answer:

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so either 473+473=

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6 0
3 years ago
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