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andreyandreev [35.5K]
3 years ago
7

An electrician charges thirty dollars per hour plus a twenty dollar trip fee. Write an algebraic expression for the total cost (

in dollars) if she works "x" hours.
Mathematics
1 answer:
aivan3 [116]3 years ago
8 0

Answer:

30x + 20

Step-by-step explanation:

While x being the number of hours worked by an electrician and $20 being a trip fee so when you;

  • Multiply the number of hours worked (x)
  • With Hourly Rate charged by electrician which is a $30
  • Add it with the trip fee which will be $20

You will get the total cost incur by electrician.

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Barney has 14 dimes and quarters worth $2.15. write the system of equations
grigory [225]

Answer: 14 dimes and 3 quarters

Step-by-step explanation:

14x10=140+25=165+25=190+25=215 aka $2.15 meaning that there is 14 dimes and 3 quarters

5 0
3 years ago
Each figure shows a triangle with one of its angle bisectors.<br> 12) 22 - 38°. Find mZTRS.
jarptica [38.1K]

Answer:

76 degrees

Step-by-step explanation:

this special line is an angle bisected.

that means it splits the angle at its starting point in 2 halves. as these names indicate, both parts are of equal size (half of the general angle).

we know one part (2) of this split angle : 38 degrees.

the other part (1) had to be equally sized : 38 degrees.

so, the total angle at point R is the sum of both split angles:

TRS = 38+38 = 76 degrees.

3 0
3 years ago
Help complete the table for the equation y= x - 2. Then use the table to graph the equation.
Goryan [66]

Answer:

-4, -3, -2, -1, 0

Step-by-step explanation:

Using the equation y = x -2, substitute the values for x into the equation and solve for y.

y = -2 -2

y = -4

y = -1 - 2

y= -3

y = 0 - 2

y = -2

y = 1 - 2

y = -1

y = 2 - 2

y = 0

You will have the coordinates when you plug the numbers into the table. (-2, -4), (-1, -3), (0, -2), (1, -1), (2, 0). Plot the points and connect with a line.

3 0
2 years ago
PLs i need help with this emergency
sasho [114]

Answer:

11, 15

Step-by-step explanation:

6 0
3 years ago
What is the simplest from of this expression? (-3x^2 + 4x) + (2x^2 - x -11)
mr Goodwill [35]

Answer:

D

Step-by-step explanation:

7 0
3 years ago
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