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Sonja [21]
3 years ago
13

What is the slope of the line ?​

Mathematics
1 answer:
taurus [48]3 years ago
3 0

Answer:

-2

Step-by-step explanation:

slope = dy/dx

= -8/4

= -2

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Wes can paint a certain room in 8 hours. Sally can paint the same room in 5 hours. How long will it take them working together t
lubasha [3.4K]

The time it takes them working together to paint the room is 3.08 hours

<h3>Rational expression</h3>

Rational expression are equation written as a ratio of two expressions or equations.

If Wes can paint a certain room in 8 hours, she can paint 1/8 of the room in 1 hr

Similarly, if Sally can paint the same room in 5 hours, , she can paint 1/5 of the room in 1 hr

Determine the time it takes them to paint the room altogether.

Time together = x

Using the expression below to determine the value of x

1/x = 1/8 + 1/5

1/x = 5+8/40

1/x = 13/40
x = 40/13

x = 3.08

Hence the time it takes them working together to paint the room is 3.08 hours

Learn more on rational expression here; brainly.com/question/2264785

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6 0
2 years ago
Answere 1-4 PLEASE I really need help I will give thanks
Gnesinka [82]
2*2*2= 8
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4 0
4 years ago
How can you find the product of positive and negative decimals
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(I have attached an example for reference)

1) Product means multiply, so we will multiply the decimal numbers.

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BlackZzzverrR [31]

Answer: second one

Step-by-step explanation:

5 0
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