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Degger [83]
3 years ago
11

Two plumbers charge different rates for service. The first plumber charges $100 per service call plus $25 per hour of service. T

he second plumber charges $50 service call plus $50 per hour of service. After how many hours do the plumbers charge the same amount?
Mathematics
1 answer:
Bond [772]3 years ago
6 0

Answer: 2

Step-by-step explanation:

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Help please!! Thank you!! :)
Naddik [55]

Answer:

  A.  m^2+7m+10=0

Step-by-step explanation:

This is a problem in pattern matching, and in substituting a variable for a pattern.

  (x^2+3)^2 +7x^2 +21 = -10 . . . . . . given

  (x^2 +3)^2 +7(x^2 +3) = -10 . . . . . factor the last two terms

  m^2 +7m = -10 . . . . . . . . . . . . subsitute m for x^2 +3

  m^2 +7m +10 = 0 . . . . . . . . add 10 to both sides; matches A

5 0
2 years ago
125+[-125]=? PLEASE HELP?!
elena55 [62]
The answer to this question is 0.

Hope this helps :)
6 0
3 years ago
Read 2 more answers
3/8=r+2/3 PLease help im really lazy
stira [4]

Answer:

- 7/24

Step-by-step explanation:

Step 1:

3/8 = r + 2/3

Step 2:

9/24 = r + 16/24

Step 3:

9/24 - 16/24 = r

Answer:

- 7/24 = r

Hope This Helps :)

5 0
3 years ago
Read 2 more answers
A homes value increases at an average rate of 5.5% each year the current value it is $120,000 what function can be used to find
likoan [24]
Around this time many people find home prices going up dramatically. Let's start with the X factor. If we know the starting is $120,000, the we know the initial velocity. To find the final but the very simple equation one may use is; P=(120000)^x\0.5


Cheers
3 0
3 years ago
Name the Property of Equality that justifies the statement: If m<A + M<B = M<C. Then, M<A = M<C - M<B
adoni [48]
The subtracton property of equality allows you to subtract the same amount from both sides of an equation without changing the truth of the equation.
5 0
3 years ago
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