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blagie [28]
3 years ago
8

What is the slope of the line that passes through the points (8,5) and (4, -9)?

Mathematics
1 answer:
Kryger [21]3 years ago
4 0

Step-by-step explanation:

Find slope

m = (y2 - y1)/(x2 - x1)

m = (-9 - 5)/(4 - 8)

m = -14/-4

m = 7/2

Slope → 7/2

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Twenty pounds of a salt-water solution contains fifteen percent salt. How much salt is in the water?
SVETLANKA909090 [29]
It is 15% of 20 pound water
15/100x20
3lb
5 0
3 years ago
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How do I use intercepts to graph 3y= - 5x - 30
expeople1 [14]

Answer:

y-intercept is (0,-10) and x-intercept is (-6,0).  Connect them by a straight line to graph the given equation.

Step-by-step explanation:

The given equation of line is

3y=-5x-30

For x=0,

3y=-5(0)-30

3y=-30

y=-10

So, y-intercept is at point (0,-10).

For y=0,

3(0)=-5x-30

0=-5x-30

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So, x-intercept is at point (-6,0).

Now, plot the point (0,-10) and (-6,0) on a coordinate plane and connect them by a straight line to graph the given line as shown below.

7 0
3 years ago
Rewrite your expression using the distributive property:5m + 25n
Hunter-Best [27]

Answer:

Step-by-step explanation: 5m+25n

4 0
3 years ago
An office has 150 employees, and 30 of the employees work the night shift. What percentage of the employees work the night shift
Zanzabum
<h2>Answer:</h2>

The percent of employees who work in the night shift are:

                                     20%

<h2>Step-by-step explanation:</h2>

Total number of employee in the office are: 150

Number of employee who work in the night shift are:  30

The percent of the employee who work in the night shift is calculated as follows:

\dfrac{\text{Number\ of\ people\ working\ in\ the\ night\ shift}}{\text{Total\ number\ of\ employees}}\times 100

Hence, on putting the value in the above formula we get:

=\dfrac{30}{150}\times 100\\\\\\=\dfrac{1}{5}\times 100\\\\\\=20\%

            Hence, the answer is:

                          20%

4 0
4 years ago
Read 2 more answers
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Neporo4naja [7]

Answer:

No solution

Step-by-step explanation:

Solving inequalities is similar to solving equations. First let's distribute the 3 with (k-9)

3(k - 9) > 3k + 6

3k - 27 > 3k + 6

(Subtract 3k from both sides)

- 27 > 6

- 33 > 0

(Subtract 6 from both sides. You can also add 27 to both sides. You will get the same answer.)

This inequality is invalid. There are no values of k that make the inequality true.

4 0
3 years ago
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