MATHEMATICS MIDDLE SCHOOL

In 2009, usain bolt set the world record for sprinting 100 m in approximately 9 3/5 a second. find his average speed in meter per second

Answers

Answer 1
Answer:

Answer:

The average speed of usain bolt in meter per second is .

Step-by-step explanation:

It is given that usain bolt set the world record for sprinting 100 m in approximately 9 3/5 a second.

Formula for average speed.

Given distance is 100 m and time in sec is

The average speed in meter per second is

Therefore the average speed of usain bolt in meter per second is .

Answer 2
Answer:

Answer:

10 5/12

​  10, start fraction, 5, divided by, 12, end fraction

Step-by-step explanation:



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MIDDLE SCHOOL

Convert 5pi/12 to degrees.

Answers

Answer:

75degress

Step-by-step explanation:

HIGH SCHOOL

Mrs evans has 120 crayons and 30 pieces of paper to give to her students. what is the largest number of students she can have so that each student gets equal number of crayons and equal number of pieces of paper

Answers

The maximum number of students that will receive the paper and crayons are 30.

What is ratio?

Ratio is a quantitative relation between two amounts showing the number of times one value contains or is contained within the other.

Given is Mrs. Evans who has 120 crayons and 30 pieces of paper to give to her students.

We have 120 crayons and 30 pieces of paper.

Then for 1 paper, we will have (120/30) which is equivalent to 4 crayons.

So, every student will get 1 paper and 4 crayons.

Assume that the maximum number of students that will receive the paper and crayons are [x]. Then, we can write -

x + 4x = 120 + 30

5x = 150

5x = 150

x = 30

Therefore, the maximum number of students that will receive the paper and crayons are 30.

To solve more questions on ratio equality, visit the link below-

brainly.com/question/2074272

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30students is the highest she can have
HIGH SCHOOL

A line passes through the point (4,-1) and has a slope of 5/2.Write an equation in slope-intercept form for this line.

Answers

Answer:

y = (5/4)*x -2

Step-by-step explanation:

MIDDLE SCHOOL

write an algebraic expression for this word problem. An orange contains 62 calories which is x fewer calories than a nectarine. How many calories does a nectarine have?

Answers

Answer:

n = 62 + x

Step-by-step explanation:

From the problem given, it is clear that the orange has LESS calories than a nectarine. HOW much less? "x" less.

Also, orange has 62 calories. So, nectarine MUST HAVE 62 + x calories.

If we let nectarine's calories be n, we can write:

n = 62 + x

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