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kenny6666 [7]
2 years ago
15

HELPP I NEED THIS ASAP

Mathematics
2 answers:
Verizon [17]2 years ago
4 0

Answer:

you have it done? what do you need

Step-by-step explanation:

olya-2409 [2.1K]2 years ago
4 0
What do you need help with?
You might be interested in
Please help me with this question, and show working out.
Andre45 [30]
<h3>Answer:   2072.4 square cm</h3>

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

Explanation:

If you used scissors to cut a vertical slice down the lampshade, then it can be unrolled to form a rectangle.

The horizontal portion of this rectangle is the distance around the circle, which is the perimeter of the circle, or the circumference. That's C = 2pi*r. Check out the diagram below to see what I mean.

The diagram shows that the diameter is 20 cm, so the radius is half that at 20/2 = 10 cm.

The circumference is C = 2*pi*r = 2*pi*10 = 20pi cm exactly

The height of the rectangle is the height of the cylinder, which is h = 30 as shown in the diagram.

The area of the rectangle is length*height = (20pi)*(30) = 600pi square cm exactly.

If we were to use something like pi = 3.14, then its approximate area is 600*pi = 600*3.14 = 1884 square cm

Let's bump this up by 10%. To do so, we'll multiply by 1.10

1.10*1884 = 2072.4

4 0
3 years ago
PLEASE HELP !
rewona [7]
<h3>Answer:  Choice D)  -$22</h3>

You'll lose on average $22 per roll.

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

Explanation:

Normally there is a 1/6 chance to land on any given side of a standard die, but your friend has loaded the die in a way to make it have a 40% chance to land on "1" and an equal chance to land on anything else. Since there's a 40% chance to land on "1", this leaves 100% - 40% = 60% for everything else.  

Let's define two events

  • A = event of landing on "1".
  • B = event of landing on anything else (2 through 6).

So far we know that P(A) = 0.40 and P(B) = 0.60; I'm using the decimal form of each percentage.

The net value of event A, which I'll denote as V(A), is -100 since you pay $100 when event A occurs. So we'll write V(A) = -100. Also, we know that V(B) = 30 and this value is positive because you receive $30 if event B occurs.

To recap things so far, we have the following:

  • P(A) = 0.40
  • P(B) = 0.60
  • V(A) = -100
  • V(B) = 30

Multiply the corresponding probability and net value items together

  • P(A)*V(A) = 0.40*(-100) = -40
  • P(B)*V(B) = 0.60*30 = 18

Then add up those products:

-40+18 = -22

This is the expected value, and it represents the average amount of money you earn for each dice roll. So you'll lose on average about $22. Because the expected value is not zero, this means this game is not mathematically fair.

This does not mean that any single die roll you would lose $22; instead it means that if you played the game say 1000 or 10,000 times, then averaging out the wins and losses will get you close to a loss of $22.

7 0
2 years ago
Sams high school played 44 soccer games this year he attended 18 games how many ga
storchak [24]

Answer:

assuming that the question says "how many games did he not attend" it would be 26

5 0
3 years ago
Find two integers whose sum is -10 and product is 16<br> TWO INTERGES PLEASE
Lady bird [3.3K]

Answer:

-2 and -8

Step-by-step explanation:

-2 + (-8) = -10

-2 * -8 = 16

8 0
3 years ago
What is 3(x+2)-4= -(x-6)?? I need the answer to x??​
Nataly_w [17]

Answer:

x=1

Step-by-step explanation:

3x+2= -x+6

4x=4, x=1

4 0
2 years ago
Read 2 more answers
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