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frez [133]
2 years ago
11

An auto mechanic charges (C) an initial fee of $50 and then $40 per hour. If (h) represents hours, how much will the mechanic ch

arge if they worked 10 hours in one day?
$450
$400
$550
None of these choices are correct.
Mathematics
1 answer:
Vesnalui [34]2 years ago
7 0

Answer:

$800

Step-by-step explanation:

per hour $40×10hours=$400

$400÷$50=8 times initial fee

8×$50=$400 total initial fee

$400hours fee+$400 initial fee=$800 total payment

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sveticcg [70]
<span>We want to check how many intersections line A and B have, that is, we want to check how many common solutions do these equations have:
</span>
i) 2x + 2y = 8

ii) x + y = 4
<span>
use equation ii) to write y in terms of x as : y=4-x, 

substitute y =4-x in equation i):

</span>2x + 2y = 8
2x + 2(4-x) = 8
<span>2x+8-2x=8
8=8

this is always true, which means the equations have infinitely many common solutions.


Answer: </span><span>There are infinitely many solutions.</span><span>

</span>
4 0
3 years ago
for every 5 coins carmen gets, she gives 2 to her brother frank. if carmen has 9 coins, how many does frank have?
Sphinxa [80]
Carmen has given 6 coins to her brother<span />
3 0
3 years ago
What fraction of 5 is 1/2​
Sphinxa [80]

Answer:

1/10

Step-by-step explanation:

1/2 divided by 5 = 1/10

7 0
3 years ago
Read 2 more answers
Solve for C a = b + c/d<br> a. c=ad-b<br> b. c= a+b/d<br> c. c=ad/b<br> d. c= ab+d
maksim [4K]

                                                         <u>a = b + c/d</u>

Subtract  'b'  from each side:      a - b  =  c/d

Multiply each side by  'd' :      <em>d (a - b) = c

</em>
4 0
3 years ago
Read 2 more answers
I need help again please
Arisa [49]
I hope this helps you

5 0
3 years ago
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