MATHEMATICS MIDDLE SCHOOL

Two students are standing 20ft apart and spot Mrs. Rose. If they immediately run opposite directions with speeds of 300ft/min and 200ft/min, how many minutes will pass until they are 3,000ft apart?

Answers

Answer 1

Answer:

They would be separating at 500 ft/min

time to go 3000 ft at that speed

= 3000/500 min

= 6 minutes

this may help you

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The height ,H of a cylinder is 5 units less than 3 times the radius, r. What is an expression that can represent this

Answers

Answer:

H = 3 r - 5 .

Step-by-step explanation:

Given : The height ,H of a cylinder is 5 units less than 3 times the radius, r.

To find : What is an expression that can represent .

Solution : we have given that

The height ,H of a cylinder is 5 units less than

3 times of radius = 3 *r

H = 3 r - 5 ( negative sign for less than )

Therefore, H = 3 r - 5 .

H = 3r - 5 (equation)
3r - 5 (expression)

What shape will you get if you put 3 diamonds together

Answers

I think just a trapezoid no others

Hope I helped, Good luck

= )

I believe you will get a rectangle.

What does "perfect square" me

Answers

Perfect square means when two numbers that are the same are multiplied.

For example, 4 is a perfect square because it can be broken down to: 2 x 2

When 2 numbers that are the same are multiplied to form a third number, that number is the perfect square.

Some other perfect squares are: 9, 16, 25, 36, 49, 64, 81, 100

When broken down, it is $3^2, 4^2, 5^2, 6^2, 7^2, 8^2, 9^2, 10^2$ respectively.

Is 10/9 closest to 0, 1/2 or 1?
Explain

Answers

10/9 = 1.01 and you know 1/2 = 0.5 so 1.1 is closest to 1 because there is just 0.1 different between them :))
i hope this be helpful
have a nice day

1 is closer to 0 because it's next to it

Write the ratio in three different formats: In a year, there are 4 months that have 30 days. Write a ratio of the months with 30 days to the months with other than 30 days. A.1 to 3, 1:3, 1/3B.1 to 2, 1 :2, 1/2C.2 to 1, 2:1, 2/1
D.3 to 1, 3:1, 3/1

Answers

This problem is an example of ratio and proportion. A ratio is a comparison between two different things. You are given 4 months that have 30 days. You are required to get the ratio of the months with 30 days to the remaining months that have a different number of days. First, you will get the ratio as 4/30 = 2/15. Assuming that the other months also has 30 days. Then the second ratio is 8/30 = 4/15. Multiply 2/15 to 15/4 you will get ½. Other forms of this is 1:2 or 1 is to 2. The answer is B.

so find the amount of months that don't haave 30 days
12 months total
4 have 30 days
12-4=8
so the ratio of months that have 30 days to the months that do not havve 30 days is 4 to 8 or 4:8
this can be simplified like a fraction
4:8 4/8=1/2
ratio is
1 to 2, 1:2, 1/2

answer is B

(2 5/8 + 5/6) + 1 1/8 in simplest form?

Answers

Result:

5/5 : 1/2 = 5/5 · 2/1 = 5 · 2/5 · 1 = 10/5 = 2

To divide one fraction by another, invert (turn upside-down) the second fraction, then multiply.

Hi There!

Find Common Denominators:

2 5/8 = 2 15/24

5/6 = 20/24

1 1/8 = 1 3/24

Turn Into Improper Fractions:

2 15/24 = 63/24

20/24 = 20/24

1 3/24 = 27/24

Add:

= (63/24 + 20/24) + 27/24

= (83/24) + 27/24

= 110/24

Simplify:

110/24 = 4 14/24 = 4 7/12

Answer:

4 7/12

Hope This Helps :)

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