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Tatiana [17]
2 years ago
12

What are the coordinates of the midpoint between the points (-4, -9) and (-8, -5)? Select the best answer from the choices provi

ded. A. (-4, -4) B. (-6, -7) C. (-6, -4) D. (-4, -7)
Mathematics
1 answer:
OLga [1]2 years ago
8 0
B). (-6,-7)

Hope this helps! Please make me the brainliest, it’s not necessary but appreciated, I put a lot of effort and research into my answers. Have a good day, stay safe and stay healthy.
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A cereal company is exploring new cylinder-shaped containers. Two possible containers are shown in the diagram.x is 6 and r=4.5
KatRina [158]

Answer:

Container \rm X will have less label area than container \rm Y by about 9\; \rm in.

Step-by-step explanation:

A rectangular sheet of paper can be rolled into a cylinder. Conversely, the lateral surface of a cylinder can be unrolled into a rectangle- without changing the area of that surface.

Indeed, the width of that rectangle will be the same as the height of the cylinder. On the other hand, the length of that rectangle should be exactly equal to the circumference of the circles on the top and the bottom of the cylinder. In other words, if a cylinder has a height of h and a radius of r at the top and the bottom, then its lateral surface can be unrolled into a rectangle of width h and length 2\,\pi\, r.

Apply this reasoning to both cylinder \mathrm{X} and \rm Y:

For cylinder \mathrm{X}, h = 6\; \rm in while r = 4.5\; \rm in. Therefore, when the lateral side of this cylinder is unrolled:

  • The width of the rectangle will be 6\; \rm in, while
  • The length of the rectangle will be 2 \, \pi \times 4.5\; \rm in = 9\, \pi\; \rm in.

That corresponds to a lateral surface area of 54\, \pi\; \rm in^2.

For cylinder \rm Y, h = 10.5\; \rm in while r = 3\; \rm in. Similarly, when the lateral side of this cylinder is unrolled:

  • The width of the rectangle will be 10.5\; \rm in, while
  • The length of the rectangle will be 2\pi\times 3\; \rm in = 6\,\pi \; \rm in.

That corresponds to a lateral surface area of 63\,\pi \; \rm in^2.

Therefore, the lateral surface area of cylinder \rm X is smaller than that of cylinder \rm Y by 9\,\pi\; \rm in^2.

5 0
3 years ago
PLEASE HELP I GIVE BRAINLIEST
melamori03 [73]

Here is my answer. I hope this is helpful.

4 0
3 years ago
W is 80%of y. How many singers were there
sergey [27]
Where did you get the singers from? And what does 80% of y have to do with singers?
7 0
3 years ago
The elevation at ground level is 0 feet. An elevator starts 90 feet below ground level. After traveling for 15 seconds, the elev
kramer

Answer:

Step-by-step explanation:

i believe the answer is 7.33333333333 feet per second

4 0
3 years ago
Aleah's rectangular garden borders a wall. She buys 80 m of fencing. What are the dimensions of the garden that will maximize it
Arada [10]
Hello!

The dimensions that maximize its area is when the width and the length are the same

The dimensions for the highest area is 40 x 40

The answer is 40 by 40

Hope this helps!
7 0
3 years ago
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