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Softa [21]
3 years ago
7

For 31 hours of work, you are paid $240.25. How much would you receive for 40 hours?

Mathematics
2 answers:
CaHeK987 [17]3 years ago
7 0
310

240.25/31= $7.75 an hour
7.75 x 40=$310
skad [1K]3 years ago
6 0
310 because you divide 240.25 by 31 and get 7.75. Then you subtract 40-31 and get 9 and multiply 9x7.75 and get 69.75. Lastly you add 69.75 and 240.25 and get 310. Hope that helps.
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Answer:

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Step-by-step explanation:

-5+8

=3

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(01.03 MC)<br> Which of the following is a step in simplifying the expression<br> (Xy^4/x^-5y^5)^3
Sati [7]

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3 years ago
Given the line y = − 2 5 x + 3, determine if the given line is parallel, perpendicular, or neither. Select the correct answer fo
stiks02 [169]

Answer:

(a) Neither

(a) Perpemdicular

Step-by-step explanation:

Required

Determine the relationship between given lines

(a)

y = -\frac{2}{5}x + 3

and

y = \frac{2}{5}x + 7

An equation written in form: y=mx + b has the slope:

m \to slope

So, in both equations:

m_1 = -\frac{2}{5}

m_2 = \frac{2}{5}

For both lines to be parallel

m_1 = m_2

This is false in this case, because:

-\frac{2}{5} \ne \frac{2}{5}

For both lines to be perpendicular

m_1 * m_2 = -1

This is false in this case, because:

-\frac{2}{5} * \frac{2}{5} \ne -1

(b)

5y + 2x = -10

and

-5x + 2y = 4

Write equations in form: y=mx + b

5y + 2x = -10

5y = -2x +10

Divide by 5

y = -\frac{2}{5}x +2

-5x + 2y = 4

2y = 5x + 4

Divide by 2

y = \frac{5}{2}x + 2

In both equations:

m_1 = -\frac{2}{5}

m_2 = \frac{5}{2}

For both lines to be parallel

m_1 = m_2

This is false in this case, because:

-\frac{2}{5} \ne \frac{5}{2}

For both lines to be perpendicular

m_1 * m_2 = -1

This is true in this case, because:

-\frac{2}{5} * \frac{5}{2} = -1

Cancel out 2 and 5

-1 = -1

6 0
3 years ago
If it costs $90 to feed a family of 3 for one week. (3 points) Unit 8 lesson 4
liubo4ka [24]
X = number of weeks
1 week =
3x = $90
Divide by 3
3x/3 = x
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x 5
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x6
6 people = $180 per week
3 0
3 years ago
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