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3 years ago

Find x please step by step explanation need it

Mathematics

1 answer:

makvit [3.9K]3 years ago

8 0

Answer:

37.3

Step-by-step explanation:

19tan(63) = x = 37.289... = 37.3

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How long would it take for a ball dropped from the top of a 100-foot building to hit the ground? Round your answer to two decima

Sunny_sXe [5.5K]

Answer:

time = 2.48 seconds

Step-by-step explanation:

Given data:

distance = 100 foot

Initial velocity = 0 because it was held and being released.

acceleration is gravitational force

gravitational force in feet per second = 32.2 ft/s²

formula for distance is s = ut +(1/2)at² where s = distance , u = intial velocity , a = acceleration and t = time

s = ut +(1/2)at²

100 = 0(t) + (1/2)(32.2)t²

100 = 16.2t²

100/16.2 = t²

therefore t = 2.484

t = 2.48 seconds (to 2 decimal places)

7 0

3 years ago

What is the output value for the following function if the input value is 1?

son4ous [18]

4 is the answer because if you multiply 1 times 3 than ad one you will get 4.

6 0

3 years ago

14. Suppose that 1 out of every 10,000 doctors in a certain region is infected with the SARS virus; in the same region, 20 out o

hram777 [196]

Answer:

The person in the at-risk population is much more likely to actually have the disease

Step-by-step explanation:

The probability of a randomly selected doctor having the disease is 1 in 1,000 (P(I)=0.0001).

The probability that a doctor is infected with SARS, given that they tested positive is:

$P(I|+)=\frac{P(I)*0.99}{P(I)*0.99+(1-P(I))*0.01}\\P(I|+)=\frac{0.0001*0.99}{0.0001*0.99+(1-0.0001)*0.01}\\P(I|+)=9.9*10^{-3}$

The probability of a randomly selected person from the at-risk population having the disease is 20 in 100 (P(I)=0.20).

The probability that a person in the at-risk population is infected with SARS, given that they tested positive is:

$P(I|+)=\frac{P(I)*0.99}{P(I)*0.99+(1-P(I))*0.01}\\P(I|+)=\frac{0.2*0.99}{0.2*0.99+(1-0.2)*0.01}\\P(I|+)=0.962$

Therefore, the person in the at-risk population is much more likely to actually have the disease

3 0

3 years ago

Which expression is equivalent to this quotient 6/28x+4 divided by 12/35x+5

Korvikt [17]

Answer:

5/8

Step-by-step explanation:

multiply by the reciprocal and follow the steps i provided

3 0

1 year ago

Is it possible to have a playground area made from 70 yards of fencing with an area of 324 square yards? Explain with

cricket20 [7]

Answer:

Yes: The answer would be 113.04 cubic feet

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3 years ago