MATHEMATICS MIDDLE SCHOOL

A line passes through (6,3),(8,4),and (n,-2). Find the value of n.
please help :)

Answers

Answer 1
Answer: You would do 8-6=2 4-3=1

1/2 is your slope

1/2(6)=3
3-3=0

Your equation would be y=1/2x

So your n value is -4

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A plane travels from Pittsburgh to Cleveland in 2 hours.it maintains an average speed of 100 miles per hour.how far apart are these cities?

Answers

The distance between Pittsburgh and Cleveland is 200 miles

Solution:

Given that,

Plane travels from Pittsburgh to Cleveland in 2 hours

Average speed of plane = 100 miles per hour

To find: Distance between these two cities

The relation between speed distance and time is given as:

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Tara wrote the expression 7 times D plus 4 in her notebook she used the associative or community or distributive party to right the equality expression 7D plus 28

Answers

Answer:

distributive property

Step-by-step explanation:

There were 70
runners to start a race. In the first half of the race,
1/5
of them dropped out. In the second half of the race,
4/7
of the remaining runners dropped out. How many runners finished the race?

Answers

Hey there! So,to do this, I would recommend making the fractions into decimals. 1/5 is equal to 0.2 so you multiply that times 70 runners . This equals 14 runners who dropped out. Subtract those who dropped out from the total and now you have 56 runners left. 4/7 as a decimal is about 0.575. Times that by 56 and you get another 32 who dropped out. You're now down to only 24 runners who finished the race.

Joseph wants to estimate 1 3/7 * 5 4/3 To estimate, he simplifies the expression 1 1/2 * 6

Is Joseph’s estimate a close estimate, an underestimate, or an overestimate?

Answers

1 (3)/(7) * 5 (4)/(3) = (10)/(7) * (19)/(3) = (190)/(21) \approx 9,0476..
When he simplified the expression:
1 (1)/(2) *6= (3)/(2) * (6)/(1) = (18)/(2) = 9
9,047 \approx 9,05 \approx 9
I think  Joseph's estimate a close estimate.

What is 31/10 as a mixed fraction

Answers

3 and 1 over 10 becasue 10 goes into 30 3 times

Jill measured the length of her eraser. She wrote 5 on her paper without the unit. Which metric unit of measure should Jill include?

Answers

Jill should include centimeters as part of her answer. 5 centimeters.
it depnds on how long the eraser is. it could be 5 millimeters or 5 kilometers. It may be centimeters or decimeters. i'd go with centimeters
hoped i helped
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