MATHEMATICS HIGH SCHOOL

At a speed of 22 revolutions per minute, how long will it take a wheel of radius 10, rolling on its edge, to travel 10 feet? (Assume p equals 22/7, and express answer to nearest 0.1 second.)

Answers

Answer 1
Answer: I don't know if this is 100% correct...but i think this is how you would solve this problem!!!

OOOKKKKK.........

We all know that a well is circular. So, First, lets find out the circumference of the wheel.

Given :
radius = 10 feet
π = 22 / 7
We know,
Circumference = 2πr
                      = 2 × (22 / 7) × 10
                      = 62.9 ft.

Now,
One revolution means the wheel has covered a distance equal to its circumference. So, 22 revolutions per minute means that the wheel is covering 22 times its circumference in 1 minute. So, Lets convert the revolution to feet.

Given,
The wheel is travelling at 22 revolutions per minute.
                                 =  22 * Circumference per minute
                                 =  22 * 62.9 ft. per minute
                                 = 1383.8 ft. per minute
Now, that we know how much feet it is travelling in 1 minute, we can easily find how much it takes it to travel 10 feet. 

Using unitary method,
The wheel travels 1383.8 ft. in 1 minute
The wheel travels 1383.8 ft. in 60 seconds.
The wheel travels 1 ft. in (60 /  1383.8) seconds.
The wheel travels 10 ft. in (60 /  1383.8) * 10 seconds.
                                      = 0.4 seconds

So, the answer is 0.4 seconds. Of course...the answer is rounded!!

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7-4X>13
:))))))))))))))

Sorry about the image but does anyone know this!

Answers

FALSE

A "counterexample" is one that demonstrates the conjecture to be untrue. One might be "This morning my daughter ate yogurt instead of pancakes for breakfast."

A statement of an employee's biweekly earnings is given below.Earnings
Deductions

Week Ended
Regular
FED. SOC. MED STATE
WITH. WITH. CARE. WITH.
NET PAY
9/10
$_____
$98.00 $52.88 $12.37 $22.54
$667.17
What is the employee's gross pay?

Answers

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30 pts! Will make brainliestBen tracked the attendance in his class over a period of time and recorded the data in a frequency table.

Create a dot plot for the data in the table. Hover over each number on the number line. Then click and drag up to create the dots

Answers

The data recorded by Ben shows the attendance log of his classmates over a given period of time.

What is a Dot Plot?

This refers to a simple chart that resembles a histogram that is used to represent small data.

Hence, we can see that because Ben tracked the attendance of the class over a given time period with the frequency on a frequency table, a sample of a dot plot has been provided below,

Read more about dot plots here:

brainly.com/question/25957672

#SPJ2

Answer: took the

Step-by-step explanation:

Find the constant of variation k for inverse variation. Then write an equation for the inverse variation. y= 5 when x = 7.5 k = 37.5;y = 37.5/x k = 15;xy = 1.5 k = 2.5;y = 2.5/x k = 37.5;y=37.5x

Answers

direct variation has this formula: y = kx
inverse variation has this formula: y = k/x

y = 5 ; x = 7.5 ; k = 37.5

y = k/x ⇒ 5 = 37.5 / 7.5 ⇒ y = 37.5/x

Answer:k=37.5 ; xy=37.5

Step-by-step explanation:

Which polynomial identity will prove that 64+27=91

Answers

Add 64 and 27 and you will get 91 So the problem will read: 64+27=91 91=91

Answer:

Sum of cubes

Step-by-step explanation:
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