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Jlenok [28]
3 years ago
12

Mr. Martinez hires a plumber to fix his kitchen

Mathematics
1 answer:
Mashcka [7]3 years ago
3 0

Answer:

Step-by-step explanation:

The $45 fee is a one-time thing and is the initial value of this function.  The rate of change of the function is $40/hr.  

It's not clear when the $15 for parts is paid.  One interpretation would be that this is a second up-front charge, in which case the initial value would be

$45 + $15, or $60.

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Which equation matches the graph?
Iteru [2.4K]

Answer:

D

Step-by-step explanation:

intercept is -4 and slope is rise over run which is 3/1 = 3

put into slope intercept form to achieve answer D

7 0
3 years ago
Read 2 more answers
Solve the system by substitution 5x+y=-10. 4x-7y=-8
storchak [24]

Answer:

x = -2 and y = 0

Step-by-step explanation:

5x + y = -10

4x - 7y = -8

Rearrange the first equation to equal y.

5x + y = -10

y = -10 - 5x

Replace y in the second equation with the first equation.

4x - 7y = -8

4x - 7(-10 - 5x) = -8

4x - (-70 -35x) = -8

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Rearrange the equation to find x.

4x + 35x = -8 - 70

39x = -78

x = -2

Now that you know x, use the rearranged first equation to find y.

y = -10 - 5x

y = -10 - 5(-2)

y = -10 + 10

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8 0
3 years ago
1:40 000 is equivalent to what?
allsm [11]

Answer:

=2.5×10^-5

Step-by-step explanation:

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7 0
3 years ago
What is the arithmetic mean of the following<br> numbers?<br> 10,6, 4, 4, 6, 4, 1
slamgirl [31]

Answer:

5

Step-by-step explanation:

When you add up the values you get 35, then you divide it by the number of numbers in the set, which is 7, so when you divide 35/7, you end up with 5.

5 0
3 years ago
there are 52 cards in deck 4 nine and 4 eights what is the probabiltly that you will get a 4 eights or 4 nines
NikAS [45]
To find this is easy, since you can find either a nine or an eight, add both number of cards to get 8 cards. then you would divide 8 by 52 to get around a 15.4% chance to get either a 9 or 8. hope this helps
5 0
3 years ago
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