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Leno4ka [110]
3 years ago
14

A handy man charges $40 an hour plus the cost of materials. Rosanne received a bill from the handyman for $477 for 8 hour of wor

k. Write an equation?
Mathematics
2 answers:
Pavlova-9 [17]3 years ago
6 0
The answer is 477 hope that helped
djverab [1.8K]3 years ago
5 0
Should be something like 40(8)+ ?= 477$
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Which value of m will create a system of parallel lines with no solution? y=mx-6 8x-4y=12 A coordinate grid with one line labele
nydimaria [60]

Answer:

A system of parallel lines will be created where the two lines will never meet and have no common solution at a value of m = 2

Step-by-step explanation:

The equation of the given line is 8·x - 4·y = 12

Which gives;

8·x- 12= 4·y

y = 2·x - 3

Given that the line passes through the points (0, -3) and (1, -1), we have;

Slope, \, m =\dfrac{y_{2}-y_{1}}{x_{2}-x_{1}}

When (x₁, y₁) = (0. -3) and (x₂, y₂) = (1, -1), we have;

Slope, \, m =\dfrac{(-1)-(-3)}{1-(0)} = 2

y - (-3) = 2×(x - 0)

y = 2·x - 3 which is the equation of the given line

For the lines 8·x - 4·y = 12, which is the sane as y = 2·x - 3 and the line y = m·x  - 6 to have no solution, the slope of the two lines should be equal that is m = 2

Given that the line passes through the point (1.5, 0), we have;

y - 0 = 2×(x - 1.5)  

y = 2·x - 3...................(1)

For the equation, y = m·x  - 6, when m = 2, we have;

y = 2·x  - 6..................(2)

Solving equations (1) and (2) gives;

2·x - 3 = 2·x  - 6, which gives;

2·x - 2·x=  - 3 - 6

0 = 9

Therefore, a system of parallel lines will be created where the two lines will never meet and have no common solution at a value of m = 2.

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Mrs. Miller claims that 10% of the marbles in the jar are purple. Do the students have statistically significant evidence that t
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Answer: C: Yes

Step-by-step explanation:

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30 POINTS NEED HELP ASAP IN CLASS HURRY!!
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Answer:

5. -6/4

6. 1/2

7. 12/15

8. -21/8

Step-by-step explanation:

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Vadim26 [7]
I think the answer you are looking for is 70°
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I turn my dial on my stove 45degrees from the start position if i continue to turn the dial, how many degrees further will i nww
AveGali [126]

Answer:

315 degrees

Step-by-step explanation:

Assume that the dial is a perfect circle and therefore makes a full 360 degree rotation. If the dial is already turned 45 degrees, the rotation angle required to return all the way to the initial position is:

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You will need to rotate 315 degrees.

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