MATHEMATICS MIDDLE SCHOOL

Calculate the height of 385cm of water
inside a cylinder of diameter 7cm.
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Calculate the height of 385cm of water inside a cylinder - 1

Answers

Answer 1
Answer:

Answer:

C

Step-by-step explanation:

The volume formula for a cylinder is A = πr²h where A, r, and h are area, radius, and height respectively. The radius is 1/2 the diameter which is 7 / 2 = 3.5. We are solving for h so we can write:

385 = 22/7 * (3.5)² * h

385 = 38.5 * h

h = 10
Answer 2
Answer: Answer

C

Explanation

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Charlie bought a 2and 1 half bag of oranges for $3.75.What is the cost of one pound of oranges?

Answers

Charlie buys 2.5 pounds of oranges for 3.75.

To find out how much he will pay for 1 pound of oranges, use the proportion

2.5/3.75 = 1/x
Cross multiply to get x = $1.50 per pound of oranges.
Let  number be "x"( the cost of one pound of oranges ) ;
( 2  1 / 2 )x = 3.75 ;
( 5 / 2 )x = 375 / 100 ;
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Please help im almost done​

Answers

Answer:

1/4

Step-by-step explanation:

the numerator is 12 because there are 12 possible outcomes.  The numerator is 3 because there are 3 numbers in this set that are greater than 9.  You get 3/12 which then simplifies to 1/4

What is greater than 100 inches or 3 yards and one of the

Answers

To compare units either of them have to change to be the same unit

either change inches to yards, or yards to inches.

1 yard is 36 inches, so
3 yards = 3 × 36 = 108 in

100 in < 108 in

3 yards is greater.
3 yards = greaterrrr

What is 3 square root -27/64

Answers

3 square root is called cube root btw:

cube root of -27/64 is the same as (cube root of -27)/(cube root of 64)

cube root of -27 is -3
cube root of 64 is 4

the anser is -3/4

What value is the 6 in 49.62

Answers

The value of the "6" in 49.62 is in the tenth place
The value of 6 in 49.62 is 0.6 OR six tenths

you estimate that a jar contains 68 marbles. The actual number of marbles is 60. Find the percent error.

Answers

ANSWER: 13.3...%

To find the percent of error, you must find the absolute value of the error, in this case 8 (68-60), and divide it by the actual amount.

8/60=0.133...

0.133... = 13.33...%
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