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Alex17521 [72]
11 months ago
12

On a clear day you can see about 27 miles from theobservation deck of the Empire State Building in New YorkCity. Using the formu

la below, estimate the height in feet, h, ofthe observation deck. The distance, d, is in miles, and theheight, h, is in feet.

Mathematics
1 answer:
g100num [7]11 months ago
5 0

Explanation

We are given the formula that relates h and d

d=\frac{5}{6}\sqrt{h}

In our case, we have d =27

So to solve for h

we will have

\begin{gathered} 27=\frac{5}{6}\sqrt{h} \\ \mathrm{Multiply\:both\:sides\:by\:}6 \\ 27\cdot \:6=\frac{5}{6}\sqrt{h}\cdot \:6 \\  \\ 162=5\sqrt{h} \\ 5\sqrt{h}=162 \\ \sqrt{h}=\frac{162}{5} \end{gathered}\begin{gathered} h=\frac{26244}{25} \\  \\ 1049.76\text{ ft} \end{gathered}

Option C

The answer is 1050 feet

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lianna [129]
Answer choice number 2 is correct. 
All I did to get the answer on this question was add 114.04+144.38 and that gave me a total of 258.42

5 0
3 years ago
A school has 63% girls and 37% boys. If 23% of the girls wear contacts and 42% of the boys wear contacts, what percent of all st
NeX [460]

Answer:

30.0%

Step-by-step explanation:

0.63×0.23=0.1449≈14.5% approx 14.5%

Therefore, 14.5% of all students at the school are girls who wear contacts.

Let's repeat this for boys by multiplying the percent of boys at the school by the percent of boys that wears contacts.

0.37×0.42=0.1554≈15.5% approx 15.5%

Therefore, 15.5% of all students at the school are boys who wear contacts.

0.145+0.155=0.3=30.0%

30.0% of all the students wear contacts.

8 0
3 years ago
Standing in your tree house, 50 feet off the ground, you look down at a 60° angle and notice a frisbee. approximately how many
andrew11 [14]
Draw a diagram
assuming you are directly over the base of the tree

we need to find the ratio between the adjacent angle and oposite angle

adjacent angle is the disatnce from frisbee to base of tree
oposite angle is 50ft

so
tan=oposite/adjacent
tan(60°)=50/?
?tan(60°)=50
?=50/tan(60°)
use your calculator
?≈28.8675
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6 0
2 years ago
If a = 4 and c = 2 then what is 5ac
Andre45 [30]

Answer:

40

Step-by-step explanation:

by replacing the value and multiplying the numbers and the answer will come 40

8 0
2 years ago
Read 2 more answers
In the game of Pick-A-Ball, there are 10 colored balls: 2 red, 4 white, and 4 blue. The balls have been placed into a small buck
Viktor [21]

Hello,

This question you posted is incomplete but I was able to get the complete question. I hope it would be of help to you!

1. What is the probability of selecting the color of ball that you just selected?___

Don't put your first ball back in the bucket now reach again, no peeking and pick your second ball.( Click the pick a ball icon to simulate reaching into the bucket and select your next ball)

2. What is the probability of selecting the color of ball that you just did_____

3.what is the probability of obtaining your exact sequence of result?____

4. What is your prize____

5. What is your profit from pick a ball___

<u>Answer:</u>

1. The probability of selecting the color of ball that you picked. (White)

The color is white. And total balls are 10

= 4/10

= 0.4

2. After first ball was picked out, you now have 3 whites left and total balls 9. probability of selecting the color of ball that you picked = 3/9

= 0.3333

3. Probability of getting exact sequence

= 0.3333x0.4

= 0.1333

4. The prize = 1/0.1333

= 7.5

5. The price would be 7.5 - 10

= -2.5

Thank you!

5 0
3 years ago
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