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sergey [27]
2 years ago
12

Can anyone help please this question!

Mathematics
1 answer:
loris [4]2 years ago
6 0

Answer I blive is is 8

Step-by-step explanation:

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Two mechanics worked on a car. The first mechanic charged $115 per hour, and the second mechanic charged $50 per hour. The mecha
anygoal [31]
115*20=2300.
50*5=250

First mechanic 20 hours
Second mechanic 5 hours
8 0
3 years ago
The mean annual salary for environmental compliance specialists is about $66,000.  A random sample of 35 specialists is selected
AleksandrR [38]
The answer may not be what you think it is
6 0
2 years ago
What is the slope of a line y=7.8x+62
dexar [7]

Answer:

m = 7.8

Step-by-step explanation:

Its the slope. Its the number next to the x.

3 0
3 years ago
the length of a rectangle is 1 inch more than twice its width. if the perimeter of the rectangle is 74 inches, find the dimensio
Tatiana [17]
L = 2W + 1..................(1)
2L + 2W = 74
2L = -2W + 74..............(2)   Adding  (1) and (2):-

3L = 75
L = 75/3 = 25

W = (25 - 1) / 2 = 12

length is 25 inches and width = 12 inches
7 0
3 years ago
What is the solution to the system of equations?
White raven [17]
Equation A find “m” and “b”:
“B” is the y-intercept when x = 0. They give this in the table as “-2” so b = -2
Find slope (m) = (-8)-(-2)/(-2)-0 = 3
Equation A is y = 3x - 2 (y = mx + b)
Equation B find “m” and “b”:
Find m = (-9)-(-5)/(-3)-(-1) = 2
To find be, plug in m, x, and y from ANY coordinates in table b into y = mx + b:
-9 = 2(-3) + b
-9 = -6 + b
b = -3
Equation b is y = 2x -3
Use substitution and substitute all of equation “b” for “y” in equation a:
2x - 3 = 3x - 2
Algebra: x = -1
Plug back into equation a:
y = 3(-1) -2
y = -5
x = -1
(-1, -5) final answer (B)
3 0
2 years ago
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