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2 years ago

What is the length of the line segment with endpoints (−3,8) and (7, 8) ?

Mathematics

1 answer:

Savatey [412]2 years ago

5 0

Do you have a picture or is that it?

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Ron's recycle shop had an old paper-shredding machine. Business was good, so he bought a new paper-shredding machine. The old ma

levacccp [35]

Answer: 1 hour 20 minutes

Step-by-step explanation:

Given : The old machine could shred a truckload of paper in 4 hours.

Rate of work done by old machine = $\dfrac{1}{4}$

The new machine could shred the same truckload in 2 hours.

Rate of work done by new machine = $\dfrac{1}{2}$

Let 't' be the time taken by both of them working together , then we have the following equation:-

$\dfrac{1}{t}=\dfrac{1}{4}+\dfrac{1}{2}\\\\\Rightarrow\dfrac{1}{t}=\dfrac{1+2}{4}\\\\\Rightarrow\dfrac{1}{t}=\dfrac{3}{4}\\\\\Rightarrow t=\dfrac{4}{3}=1\dfrac{1}{3}\ \text{ hours}$

Since 1 hour = 60 minutes

Then, $\dfrac{1}{3}\ \text{ hours}=\dfrac{1}{3}\times60=20\text{ minutes}$

Hence, it will take 1 hour 20 minutes to shred the same truckload of paper if Ron runs both shredders at the same time.

8 0

3 years ago

Find the number of different arrangements of the letters in the word hospital if you could use three or four letters at a time.

saveliy_v [14]

Using only 3 or 4 letters, I got 181 words

7 0

2 years ago

Read 2 more answers

The regular price of a digital camera was 250$. Tristan bought the digital camera at a discount of 40%. How much did Tristan pay

enot [183]

Answer:

$150

Step-by-step explanation:

convert the percent to decimal, 0.40, then multiply it by 250 to get 100, then subtract, 250-100=$150

3 0

2 years ago

Read 2 more answers

It's all on the picture

xz_007 [3.2K]

Answer:

Step-by-step explanation:

because you divide 1 3/4 (1.75) over 1/5 (.2) to get 8 3/4 (8.75)

4 0

3 years ago

Read 2 more answers

2x-x+7 = x+3+4 is it no solution, one solution. or multiple solution if one of 2 please tell me what is x

ololo11 [35]

Answer:

x = x

Step-by-step explanation:

Basically, if you simplify the equation, you'll get x + 7 = x + 7 which means x = x which means you will have an infinite amount of solutions since x can be anything.

7 0

3 years ago