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Phantasy [73]
3 years ago
10

Two mechanics worked on a car. The first mechanic charged $45 per hour and the second charged $120 per hour. The mechanics worke

d for a combined total of 15 hours, and together they charged a total of $1050. How long did each mechanic work?
Mathematics
1 answer:
ankoles [38]3 years ago
4 0

Answer:

the $45 per hour mechanic worked 2 hours

the $120 per hour mechanic worked 8 hours

Step-by-step explanation:

45 X 2 = 90

120 X 8 = 960

960 + 90 = 1050

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Tell what whole number you can substitute for x in the following list so the numbers are ordered from least to greatest.
Lelu [443]

You can substitute it for 5.

2/5 = 0.4 = 40%

5/10 = 0.5 =50%

3 0
3 years ago
Find the range of the function f(x) = 4x - 7,
umka21 [38]

Answer:

  range: {-27, -11, 5, 25}

Step-by-step explanation:

Evaluating the function for the given domain values gives the range values ...

  {-27, -11, 5, 25}

__

For example, 4(-5)-7 = -20-7 = -27.

It's a matter of doing the arithmetic. A spreadsheet or calculator that works with lists can be helpful.

7 0
3 years ago
Find the greatest common factor of the<br> following monomials:<br> 39c^2<br> 9c^3'
lana66690 [7]

Answer:

3c^2

Step-by-step explanation:

5 0
3 years ago
Solve for x.<br> 2x + 20 2x - 4<br> #<br> X =<br> = [?]
Dima020 [189]

alr! so we know that the top line is straight, so it=180 degrees. then we know...

2x + 20 + 2x - 4= 180

4x + 16=180

4x=164

x=82

youre welcome!

4 0
3 years ago
Find the units of displacement (translation) of the point (4,2) to get the image of (7,7). Chapter (transformation) (coordinates
SVEN [57.7K]

Answer:

The rule of the translation will be:

(x, y) → (x+3, y+5)

Step-by-step explanation:

Translation of an object is basically termed as "sliding" the original. If the image is moved right by the 'c' units, the 'c' unit(s) are added to the x-coordinate and if the image is moved left by the 'c' units, the 'c' unit(s) are subtracted to the x-coordinate.

And If the image is moved up by the 'c' units, the 'c' unit(s) are added to the y-coordinate and if the image is moved down by the 'c' units, the 'c' unit(s) are subtracted to the x-coordinate.

As the point is (4, 2)

The image of the point is (7, 7)

As the coordinates of the image point indicate that 3 units are added to the x-coordinate of the original point, and 5 units are added to the ý-coordinate.

Hence, the image will be move 3 units to the right and 5 units up.

Therefore, the rule of the translation will be:

(x, y)  →  (x+3, y+5)

as

(4, 2) →  (x+3, y+5) = (4+3, 2+5) = (7, 7)

3 0
3 years ago
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