MATHEMATICS MIDDLE SCHOOL

Which equation can be used to find the surface area of the cylinder?

Answers

Answer 1

Answer:

Answer:

the first option

Step-by-step explanation:

the formula to find the surface area of a cylinder is

2πrh+2πr²

Answer 2

Answer:

Answer:

A=2πrh+2πr2=2·π·4·16+2·π·42≈502.65482

Step-by-step explanation:

up there

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Find three pairs of numbers for which the least common multiple equals the product of the two numbers

Answers

1, 2, 3 would be that pair of three numbers.

The LCM of the three numbers is 6, and 2 x 3 = 6.

Which situation would be represented by the integer -8?You earn $8
A hole 8 feet deep.
A temperature of 8°F.
An 8-yard pass.

Answers

Answer:

Step-by-step explanation:

a hole 8 ft deep.....would be -8 because it is -8 below ground level

u earn $ 8....thats +8

a temp of 8 F....thats a +8

an 8 yd pass....thats a + 8

Answer:

a hole 8 ft deep.....would be -8 because it is -8 below ground level

63 hundreds equal how many tens

Answers

the answer would be 630 because you would multiply 10*63=630

1: What is 15:25 as fraction in simplest form.

A: 15/25
B: 3/5
C: 1/3
D: 30/50
2: Which number is equivalent to 3/7
A: 6 TO 10
B: 76:107
C: 12/35
D: 7 TO 3

PLEASE HELP

Answers

15:25 is a ratio

we can write this as a fraction

15:25 written as a fraction is $(15)/(25)$

to simplify this we have to divide both numerator and denominator by the highest common factor for both numerator and denominator

the factors for 15 and 25 are as follows

15 - 1,3,5,15

25 - 1,5,25

the highest common factor is 5

so we have to divide both by 5

$(15/5)/(25/5) = (3)/(5)$

the answer is

B. 3/5

2. the number equivalent to 3/7 is

9/21

equivalent fractions are fractions , where all the equivalent fractions have the same simplified form

3/7 fraction multiplied by 3

numerator and denominator are both mutliplied by 3

$(3)/(7) * 3 = (3*3)/(7*3) = (9)/(21)$

answer is 9/21

1. 15:25 = 15/25 = 3/5 (Divide the numerator and denominator by 5)
Answer: 3/5 or B

2. 3/7 = 12/28 (This question doesn't have a correct answer out of your choices.)

Two trains, Train A and Train B, simultaneously depart Station A and Station B. Station A and Station B are 252.5 miles apart from each other. Train A is moving at 124.7mph towards Station B, and Train B is moving at 253.5mph towards station A. If both trains departed at 10:00AM and it is now 10:08, how much longer until both trains pass each other?

Answers

-- The trains start moving at the same time.

-- The space between them is initially 252.5 miles.

-- They reduce the distance between them at the rate of (124.7+253.5)=378.2mph.

-- It will take them (252.5 / 378.2) = 0.6676 hour to meet.

That's 40min 3.49sec .

-- After tooting and puffing toward each other for 8 minutes, they still have 32min 3.49sec to go before they meet each other. We're all hoping that they're on different tracks.

120 is what percent of 360 explain plz