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irakobra [83]
3 years ago
9

A rectangular movie screen has side lengths of 7 meters and 9 meters. The size of a screen is determined by its diagonal. Of th

e choices given below what is the approximate for the size of the screen ?
11 meters
16 meters
63 meters
130 meters
Mathematics
2 answers:
GaryK [48]3 years ago
4 0
Answer= 11
Explanation= i plugged it into a calculator
xeze [42]3 years ago
4 0
11

I had that question
Good luck :)
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nlexa [21]
For question number 1:The plot H = H(t) is the parabola and it reaches its maximum in the moment when exactly at midpoint between the roots t = 0 and t = 23. At that moment t = 23/2 or 11.5 seconds.
For question number 2:To find the maximal height, just simply substitute t = 11.5 into the quadratic equation. The answer would be 22.9.
For question number 3:H(t) = 0,   or, which is the same as -16t^2 + 368t = 0.Factor the left side to get  -16*t*(t - 23) = 0.t = 0, relates to the very start of the process, when the ash started its way up.The other root is t = 23 seconds, and it is precisely the time moment when the bit of ash will go back to the ground.
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3 years ago
The weight of 10,000 identical samples of a substance is 10 pounds. What is the weight of 10 samples?
boyakko [2]

0.01 pounds is the answer

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3 years ago
The surface area of the pyramid with square base that measures 8 ft by 8 ft and slant height of 12 ft is 256 ft^2.
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5 0
3 years ago
1+4(6p-9) simplified
snow_lady [41]

Answer

24p+ (-31)

Step-by-step explanation:

  1. P.EM.D.A.S
  2. 4*6p=24p
  3. 4*-9=-36
  4. now it looks like: 1+4+24p+-36
  5. now for addition 1+4+24p+-36= 24p+ (-31)
5 0
3 years ago
If you flipped the coin 100 times, how many heads would you expect to get? Explain your answer.
Irina18 [472]

Answer:

You would expect to get 50 heads

Step-by-step explanation:

Each time you flip a coin you will either get heads or tails. This means that you have a 1/2 probability of getting heads. If you use this then you need to multiply 1/2 and 100 to get the expected amount of heads. Multiplying by a half is just dividing by 2. Therefore, the answer is 100/2 = 50. The answer is 50 heads


5 0
3 years ago
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