3 years ago

Solve for n: 21k – 3n + 9p > 3p + 12.

Mathematics

1 answer:

ycow [4]3 years ago

4 0

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Kelly earns $23.00 for 4 hours of work. At that rate, how long would she have to work to earn $57.50?

ankoles [38]

Answer:

10 hours

Step-by-step explanation:

5.75x 10= 57.50

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2 years ago

On a coordinate plane, 2 lines are shown. Line A B has points (negative 4, negative 2) and (4, 4). Line C D has points (0, negat

klasskru [66]

Answer:

Option A) They are parallel because their slopes are equal.

Step-by-step explanation:

We are given the following in the question:

Line AB:

(-4, -2), (4,4)

Line CD:

(0,-3), (4,0)

Formula to calculate slope =

$(x_1, y_1), (x_2, y_2)\\\\\\text{Slope} = m = \dfrac{y_2 - y_1}{x_2 - x_1}$

Slope of AB =

$(-4, -2), (4,4)\\\\m_{AB} = \dfrac{4-(-2)}{4-(-4)} = \dfrac{6}{8} = \dfrac{3}{4}$

Slope of CD =

$(0,-3), (4,0)\\\\m_{CD} = \dfrac{0-(-3)}{4-0} = \dfrac{3}{4}$

Thus,

$m_{AB} = m_{CD}$

Thus, the two lines are parallel.

Option A) They are parallel because their slopes are equal.

3 0

2 years ago

Read 2 more answers

What is the slope for (-11,7),(15,-3)

soldier1979 [14.2K]

-5/13

Formula: Y2-Y1/X2-X1

4 0

2 years ago

Read 2 more answers

Please I need help ASAP!!!

lesantik [10]

Answer:

First answer.

Step-by-step explanation:

This is called the Arc length, here is the formula:

Arc length = (angle/360)*(2Pi*radius)

So,

(45/360)*(2*3.14*4)

= 3.14

SO Pi !!!!!

4 0

2 years ago

Which is the last operation performed when evaluating (8-2x)+4

jek_recluse [69]

Short Answer: Combine like terms
Remark
Just from what I see here, remove the brackets first and combine like terms second.

Discussion
8 - 2x + 4 The like therms are 8 and 4 First step
12 - 2x That's the answer. Don't go any further. 2nd and last step

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2 years ago