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hammer [34]
3 years ago
10

. A farmer needs to find the surface area of his cylindrical silo to determine the amount of paint needed to cover the entire su

rface. Find the surface area of the silo, which has a radius of 6 m and a height of 15.5m. Use 3.14 for pi. (Hint: only one base of the cylindrical silo will be painted since it is standing on the ground.)
Mathematics
1 answer:
kolbaska11 [484]3 years ago
5 0
810.12 is the answer.
3.14 x 6 x 6 = 113.04 (Base)
3.14 x 6 x 2 = 37.68 (Circumference)
37.68 x 15.5 = 584.04 (Sides)
(113.04 x 2) + 584.04 = 810.12
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Which expression calculates the time in hours an object takes to travel 38 miles at a speed of 2 m/h ? (I NEED HELP ASAP)
defon

Answer:

Option B : 38/2 is the correct answer.

Step-by-step explanation:

Given that:

Distance to travel = 38 miles

Speed of object = 2 miles per hour

Distance = Speed * Time

To find the time, we will divide the distance by speed.

Time = \frac{Distance}{Speed}

Putting values of distance and speed in the formula.

Time = 38/2

Hence,

Option B : 38/2 is the correct answer.

4 0
3 years ago
How much would $500 invested at 7% interest compounded annually be worth after 4 years? Round your answer to the nearest cent
Arisa [49]
If 7% interest is compounded annually, then the value of the $500
after 'Y' years in the future is
                                                         $500 (1.07)^to the 'y' power .

For this exercise, it's    $500 (1.07)⁴ =  $ <u>655.40</u> .     
6 0
4 years ago
Read 2 more answers
Sam has $15 more dollars than Sarah, Casey has 2 times as much as Sam. The total they have all together is $95, how much money d
Alja [10]

Answers:

  • Sarah has  $12.50
  • Sam has  $27.50
  • Casey has  $55

======================================================

Explanation:

x = amount of money Sarah has

x+15 = amount of money Sam has, since he has $15 more than her

2(x+15) = amount of money Casey has, since he has twice as much as Sam.

Let's add up those three expressions and set that sum equal to 95

Solve for x.

Sarah + Sam + Casey = 95

x+(x+15) + 2(x+15) = 95

x + x + 15 + 2x + 30 = 95

4x+45 = 95

4x = 95-45

4x = 50

x = 50/4

x = 12.50

This says that Sarah has $12.50

That must mean Sam has x+15 = 12.50+15 = 27.50 dollars

And Casey must have 2*27.50 = 55 dollars.

----------------

As a check,

Sarah+Sam+Casey = 12.50+27.50+55 = 95

So the answer is confirmed.

6 0
3 years ago
Read 2 more answers
I need to know what to do and the answer
Anni [7]

You would take 180•15% to get 27 then you would subtract 180-27 to get 153. After you do the first you would do 200•20% to get 40 200-40=160 so the cheaper one would be the 180 because about 15% discount it’s 153 and 160>153
5 0
3 years ago
SOMEONE PLEASE HELP WILL MARK BRAINLIEST PLEASE EXPLAIN
zalisa [80]

Answer:

a. (x+5)^2 = 49

b. (x+7)^2 = (x+1)^2

Step-by-step explanation:

So the term "a number" is always going to be x. input x into the sentences. "X plus five, then squared, is forty-nine". when they do "is __", that means equal to. In the second question, seven more than x is x + 7 (the two numbers are interchangeable here). Equivalent also means equal. hope this helped :)

4 0
3 years ago
Read 2 more answers
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