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3 years ago

How to plot solutions on a number line?

Mathematics

1 answer:

disa [49]3 years ago

5 0

Answer:

you put small circles, solid if it included, only a circle if it's not, onto the line

Step-by-step explanation:

plz brainliest :)

um, i would recommend just showing us the actual question tho

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N/-1.5=-1.2 what is n?

Nonamiya [84]

N/-1.5=-1.2

-1.5*N/-1.5=-1.2*-1.5
n = 1.8

6 0

3 years ago

Two workers, a trainer and a trainee, working together can do a job in 3 hours. The trainer is 3 times faster than the trainee t

Flauer [41]

Answer:

4 hours

Step-by-step explanation:

Ratio of working together

Job : number of hours

1 : 3 = 1/3

Trainer

Job : number of hours

1 : x = 1/x

Trainee

Job : number of hours

1 : 3x = 1/3x

1/x + 1/3x = 1/3

Multiply through by 3x

3x(1/x) + 3x(1/3x) = 3x(1/3)

3 + 1 = x

4 = x

x = 4 hours

It takes the trainee 4 hours to finish the job

4 0

3 years ago

A rectangle pool in in your friends yard is 150 x 400 ft

lesya692 [45]

If u are looking for area just multiply 150 by 400 but if you are finding perimeter just do 150 plus 150 plus 400 plus 400

7 0

4 years ago

ASAP! Show work! Mark Brainliest

Anarel [89]

15) 25+90=115-180=65
65+90=155-180

6 0

3 years ago

Use Pythagorean theorem to find isos

myrzilka [38]

Answer:

x = 12 or $\sqrt{144}$

Step-by-step explanation:

Find the length of x for one side of the triangle first. To do this, use the Pythagorean Theorem which states: a² + b² = c² or in this case c² - a² = b². c² is 45 and a² is 3*3 or 9. Subtract 45-9 to get 36. Find the square root of 36 to get 6. The opposite side is also going to have a missing side length of 6 so add 6+6 to get 12 as x.

Hope it helps!

7 0

3 years ago