Speeds of pulleys are inversely proportional to the length of their diameter. Diameter of pulley A is 20 cm. and diameter of pulley B is 10 cm. If B turns at 348 ​rpm, how fast does pulley A​ turn?

Answers

Answer 1

Answer:

174 rpm

Step-by-step explanation:

The question says that the speed is inversely proportional to the length. Thus, Inverse means, as the diameter increases, the speed reduces, or as the diameter reduces, the speed increases.

Thus, from the question, if diameter A is 20, and B is 10, then definitely, the speed will increase from 348 to a higher rate. Mathematically, we have

20 / 10 = 348 / x, where x is the missing speed.

2 = 348 / x

x = 348 / 2

x = 174 rpm

Therefore, the pulley A must have been running at a speed of 174 rpm


Related Questions

please help me with this math problem, the question is on the picture that i attached, ill mark brainliest if the answer is correct. NO links!

Answers

Answer:

tan ? = oop/adj

tan ? = 14/26

tan ? = 0.538

arctan tan? = arctan 0.538

? = 28°

Please help i will give you points

Answers

Answer:

done

Step-by-step explanation:

I have installed it

Step-by-step explanation:

I have installed it. But I couldn't understand questions.

pls help me i give brainliest

Answers

Answer:
w > 1
w could be 4/3
w could be 5/4

Explanation:
^ These are all true statements. :)

Luke earned a grade of 73% on his multiple choice history final that had a total of 200 problems. How many problems on the final exam did Luke answer correctly?

Answers

Answer:

146 answers correctly

Step-by-step explanation:

Answer:

He answered 146 questions correctly.

Step-by-step explanation:

This is because 73% of 200 is 146.

Determine if the 2 triangles are congruent.
A) AAS
B) SAS
C) ASA
D) HL​

Answers

Answer:

(D)

Step-by-step explanation:

please click the heart and rate excellent and brainleist to ☺️♨️♨️☺️

Answer:

The answer gonna be The letter D

Please help I'm in fourth and I do not understand this at all :((

Answers

Answer:

Step-by-step explanation:

to under stand this think of a rectangle, or square.  that's the yard, then

we know the total area of that rectangle or square,  some how.  :/  they just tell us,  then   they tell us the length , or one side of our rectangle or square.

we just have to find the other side.

area of yard (rectangle) = Length *  Width

area = L * W

81 = 12 * W

use your algebra skills...  ( my calculus prof. tells us that we are all bad at it :))

81/12 = W

6.75 = W

the width of the yard is 6.75 meters

The people above me is correct I hope you all have a wonderful day ❤️

Ms. Gonzalez borrowed $4,500 from her bank to buy a jet ski. The loan has an 8.5% annual simple interest rate. If it takes Ms. Gonzalez two years to pay back the loan, what is the total amount she will pay?

Answers

Answer:

765

Step-by-step explanation:

4500x8,5= 38250/100=382,5 x2= 765

box plot review what is the minimum value?

Answers

Answer:

The minumum value is the Smalles numer.

Step-by-step explanation:

Minumum= Lowest number

Maximum= Highest number

Range= Minumum and Maximum multiplied/added togheter.

IQR= Interquartile range

Which prism has a greater surface area?

8 in

------

6in.

10 in.

6 in

The rectangular prism has a greater surface area by 72 square inches.

The rectangular prism has a greater surface area by 88 square inches.

The triangular prism has a greater surface area by 72 square inches,

Mark this and return

Save and Exit




Answers

Answer:

The rectangular prism has a greater surface area by 72 square inches.

I hope this helps you :)

Answer:

a

Step-by-step explanation:

6. Read the following sentence: "Around a quarter of all marine species live in coral
reefs, and they play an important role in supporting diversity in the ocean."
What does the word diversity mean?
A. many different kinds of things
B. a serious threat to ocean life
C. a hard outer layer than protects coral
D. something that can be seen from outer space

Answers

A.many different kinds of things

please help ! I’m stuck !! ‼️

Answers

Answer:

A. they go on forever

Step-by-step explanation:

from the picture the lines will never meet

What is the measure of angle D

Answers

Answer:

52 degrees

Step-by-step explanation:

A triangle's angles all add up to 180 degrees so we can create this equation:

x + 20 + 3x + 32 = 180

Combine like terms.

x + 3x + 20 + 32 = 180

4x + 52 = 180

Subtract 52 from both sides.

4x = 128

Divide.

128 / 4 = 32

x = 32

Plug in the value of x.

x + 20

32 + 20

52

Angle D is equal to 52 degrees.

Please inform me of any mistakes.

Evaluate 100-x^2, when x is 6
PLZZ HELP ME

Answers

Answer:

64

Step-by-step explanation:

20 points

What do you remember about types of angles?

Answers

An acute angle is one that measures LESS than 90˚

An obtuse angle is one that measures between 90˚ and 180˚

A reflex angle is an angle that measures between 180˚ and 360˚

There are other many types of angles such as alternate angles and corresponding angles, but those 3 are the main ones.

Have a great day <3

smart pppl plz help due in few mins! math mcas question. I would really appreciate it if you wite it on paper i will chose brainlyest. ;(

Answers

Here’s the solution like you asked

plz help ill give you brainlyest

Answers

Answer:

psst whats wrong??

Step-by-step explanation:

Order these numbers from least to greatest. 9.207, 9.4, 9.2712, 9.27​

Answers

Answer:

9.207, 9.27​, 9.2712, 9.4

Step-by-step explanation:

What is the 15th term of the linear sequence below?
22
,
18
,
14
,
10
,
6
,
.
.
.

Answers

Djjddjjdjddjjffjjffjjffjfjjfjffjnff

The area of a circle

Answers

Answer:

area of the circle = 36π cm²

But area of a circle = πr²

Which means,

πr² = 36π

r² = 36π/π

r² = 36

r = √36 = 6 cm

Radius = 6 cm

can some one help me it's not that hard please i just need help​

Answers

Answer:

6

Step-by-step explanation:

20 * $0.25 + 12 * $0.10 = $6.20

$6.20/$1.00 = 6.2 or 6 ice cream cones

Mark brainliest if this helped

Mark brainliest if this helped

4. Write an expression that shows three-fourths of v subtracted from 6 times two-ninths y
HELPPPP FASTTT

Answers

Step-by-step explanation:

8

Count the possible combinations of 2 letters chosen from L, M, N, O. The possible combinations of 2 letters are __.

Answers

Answer:

The possible combinations of two letters is 12

Step-by-step explanation:

Here, we want to count the possible combinations of two letters

Now, for the first letter any point in time, we have 4 letters to pick from,

For the second letter we have 3 letters to pick from

So therefore, we have the possible combinations as;

4 * 3 = 12

Answer:

6

Step-by-step explanation:

The method you were doing was for permutation (nPr) and the question needs you to do the method for combinations (nCr).

Historically, the average time to service a customer complaint has been 3 days and the standard deviation has been 0.50 day. Management would like to specify the control limits for an chart with a sample size of 10- and 3- sigma limits. The LCL for the chart would be:A) less than 2.40.B) greater than 2.40 but less than or equal to 2.45.C) greater than 2.45 but less than or equal to 2.50.D) greater than 2.50.

Answers

Oof I didn’t learn about this you can ask a class and go over it

The volume of a cylinder is 320 pi cm cubed. The radius of the base of the cylinder is 4 cm. What is the height of the cylinder?

Answers

Answer:

h = 20 cm

Step-by-step explanation:

π4²h = 320π

h = 20 cm

what is (15-3)x(4+3)

Answers

Answer:

84

Step-by-step explanation:

15 - 3 = 12
4 + 3 = 7
12 x 7 = 84
So the answer is 84

Which equation describes a circle with a radius of 4 and a center located at (-5, 2)?
A. (1 – 5)2 + (y + 2)2 = 4
B. (1 – 5)2 + (y + 2)2 = 16
C. (1 + 5)2 + (y - 2)2 = 4
D. (1 + 5)2 + (y - 2)2 = 16

Answers

B is the answer. It makes perfect sense

WILL MARK BRAINLIEST!!
In a survey conducted at a pet store, 150 customers were asked if they owned
birds or fish. The survey data are shown in the relative frequency table.
Own a bird
Do not own a
bird
Total
Own fish
0.04
0.08
0.02
0.86
Do not own fish
Total
What percentage of the people surveyed own a bird?

Answers

Using proportions, it is found that the percentage of the people surveyed own a bird is given by:

C. 6%.

What is a proportion?

A proportion is a fraction of a total amount, and the measures are related using a rule of three. When the proportion is multiplied by 100%, a percentage is found.

The proportion of people who own a bird is:

p = 0.04 + 0.02 = 0.06.

Hence the percentage is of 6%, which means that option C is correct.

More can be learned about proportions at https://brainly.com/question/24372153

#SPJ1

Jason is cutting 25 pieces of firewood every 15 minutes. At that rate, approximately how many pieces of firewood will Jason cut in 35 minutes?

Answers

Answer:

Approximately 58 pieces can be cut in 35 minutes.

Step-by-step explanation:

Jason is cutting 25 firewood pieces in 15 minutes

Therefore, per minute rate of cutting firewood will be,

Rate = [tex]\frac{\text{Amount of firewood to be cut}}{\text{Time taken}}[/tex]

        = [tex]\frac{25}{15}[/tex]

        = [tex]\frac{5}{3}[/tex] pieces per minute

By this rate amount of firewood that can be cut = Rate × Time taken

= [tex]\frac{5}{3}\times 35[/tex]

= 58.33

≈ 58 pieces of firewood

Therefore, approximately 58 pieces can be cut in 35 minutes.

what is the value of x? ​

Answers

Answer:

x = 18

Step-by-step explanation:

b squared + x squared = 30 squared

You randomly choose a marble from a jar. The jar contains 3 red marbles, 10 blue marbles, 8 green marbles, and 4 yellow marbles. Find the probability of choosing a blue marble as a PERCENT.

Answers

Answer:

first add all the marbles

25 total

then there are 10 blue marbles

so the probability is 10/25

u hope that helps

have a nice day

#Captainpower

can I get a brainliest pls

Answer:

40%

Step-by-step explanation:

10 out of 25 = 40 %

Have a great day

Hope it helps :)

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