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3 years ago

8

Brooke gets 6 heads when flipping a weighted coin 8 times. Based on experimental probability, how many of the next 20 flips shou

ld Brooke expect to come up heads?
? heads

1 answer:

DENIUS [597]3 years ago

7 0

10 I would say

Unless 18 one of those

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he temperature dropped 12°F in 8 hours.If the final temperature was -7°F, what was the starting temperature?

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Answer:

5°F

Step-by-step explanation:

The starting temperature is 5.

You get this answer when you add 12 to -7.

If the question is saying the temperature dropped 12°F every 8 hours then the answer would be 89°F because you multiply 12 and 8, then add 96 to -7.

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Answer:

The surface area is $198.75\ ft^2$

Step-by-step explanation:

<u>Step 1: Determine the area of the bottom</u>

$A = s^2$

$A = (7.5\ ft)^2$

$A = 56.25\ ft^2$

<u>Step 2: Determine the area of the triangles</u>

$A = \frac{h * b}{2}$

$A = \frac{9.5\ ft * \frac{7.5\ ft}{2}}{2}$

$A=\frac{9.5\ ft*3.75\ ft}{2}$

$A = 17.8125\ ft^2$

There are two of these right triangles on every side which means that we have 8 of these triangles so we multiply the area that we got by 8.

$A = 17.8125\ ft^2 * 8$

$A=142.5\ ft^2$

<u>Step 3: Combine the area to get the surface area</u>

$A_{total}=56.25\ ft^2+142.5\ ft^2$

$A_{total}=198.75\ ft^2$

Answer: The surface area is $198.75\ ft^2$

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Step-by-step explanation:

Maybe it would help to show some lines or something shape-like.

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