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Natalka [10]
3 years ago
9

Kathleen hiked to the top of a mountain. She started the hike at 7:25 A.M. It took 3 hours and 45 minutes to get to the top of t

he mountain and 1 hour and 30 minutes to hike back down. What time was it when Kathleen finished the hike?
Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
6 0

Answer: 11:45 am

Step-by-step explanation:

10:15

toget back down 10

;15          

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Find the surface area of a cylinder with a base radius of 2 yd and a height of 3 yd.
kherson [118]

Answer:

20 π

Step-by-step explanation:

The surface area of a cylinder is made up of 2 circles and its side.

To find the circles' areas, use the area formula for a circle: A = πr^2.

Since our radius is 2 yd, we can substitute r = 2 into this formula.

A = π2^2 = 4π

Now remember, this is only the area of once circle. Multiply 4π by 2 to get the area of both circles: 8π.

Now we need to find the surface area of the side.

If we flatten it out, we can see that the side is actually a curled up rectangle.

The length is the circumference of the circle and the width is the height of the cylinder.

To find the circumference, use the circumference formula for a circle: C = 2πr.

Substitute r = 2 into the formula.

C = 2π2 = 4π

Now that we know that the length is 4π, we can multiply the length by the width to find the area of the cylinder's side.

l = 4π

w = 3

A = lw = 4π * 3 = 12π

Finally, we can add the areas of the circles and the side to get the total surface area.

8π + 12π  = 20π

And that is your answer!

Please mark as Brainliest! :)

3 0
3 years ago
(added picture!) PLEASE PLEASE PLEASE HELP!!
Katarina [22]
A square plus b  square = c square 
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8 0
3 years ago
Read 2 more answers
Drag each statement to the correct category. Classify the sentences based on whether they are or are not statements. Prime numbe
Archy [21]

Answer:

1. Prime numbers are easier to count. (Not a statement)

2.Irrational numbers can be written as fractions. (Statement)

3. Natural numbers can be negative. (Statement)

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6. The set of real numbers is infinite. (Statement)

i hope it will help you!

6 0
3 years ago
PLEASE HELP!!! WILL MARK BRAINLIEST!!
slega [8]

Answer:

A

Step-by-step explanation:

I’m pretty sure since you’ve taken a cube from the original cube and relocated it, that means is not part of the surface area anymore.

I could be wrong tho lol

8 0
2 years ago
Read 2 more answers
Question 1 (1 point)
Vinil7 [7]

Yes

Step-by-step explanation:

\cos( \alpha )  =  \frac{base}{hypoteneuse}

Its just correct..

7 0
2 years ago
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