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lys-0071 [83]
3 years ago
10

Serenity used an iPhone to take a photo of the flagpole. In the photo, the flag pole has a height of 3 inches. If the photo used

a scale of 8 inches to 26 feet, what is the actual height of the flag pole in feet
Mathematics
2 answers:
zvonat [6]3 years ago
5 0

Answer:

9.75 ft tall

Step-by-step explanation:

:)

sergejj [24]3 years ago
3 0
The flag pole is 9.75 feet tall
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Simplify the expression: (a/b)^k
PilotLPTM [1.2K]

Answer:

A^k/b^k

Step-by-step explanation:

A/b^k=a^k/b^k

3 0
3 years ago
Based on FAA estimates the average age of the fleets of the 10 largest U.S. commercial passenger carriers is 13.4 years with a s
Aliun [14]

Answer : 0.0129

Step-by-step explanation:

Given : Based on FAA estimates the average age of the fleets of the 10 largest U.S. commercial passenger carriers is \mu=13.4 years and standard deviation is \sigma=1.7 years.

Sample size : n=40

Let X be the random variable that represents the age of fleets.

We assume that the ages of the fleets of the 10 largest U.S. commercial passenger carriers are normally distributed.

For z-score,

z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}

For x=14

z=\dfrac{14-13.4}{\dfrac{1.7}{\sqrt{40}}}\approx2.23

By using the standard normal distribution table , the probability that the average age of these 40 airplanes is at least 14 years old will be :-

P(x\geq 14)=P(z\geq2.23)\\\\=1-P(z

Hence, the required probability = 0.0129

6 0
3 years ago
A certain function has zeros 4, 6i, and 2+5i. What other zeros MUST this function have?
kotykmax [81]
I think the answer is -6i and 2-5i

If I remember correctly imaginary numbers must also have their conjugate as a zero as well

Hope this helps
4 0
3 years ago
I need help finding the X in these equations
krek1111 [17]

Answer:

For D I believe it would be 6

Step-by-step explanation:

I believe 6 because is you do 108÷18 you get 6 and then it would be 6/108 = 7/18 which is true.

Might not be correct and I don't know the others sorry!

5 0
3 years ago
Find the circumference and area of a circle with a diameter of 22 inches.
Katyanochek1 [597]

Answer:

  Circumference=22\pi\;inches \\\\Area =121\pi \;inches^2

Step-by-step explanation:

Diameter of the circle=22\;inches

Radius=\dfrac{22}{2} =11\;inches

Circumference of a circle:

            =2\times \pi \times r

            =2\times \pi \times 11\\\\=22\pi \;inches

Area of the circle:

                  =\pi \times r^2

                 =\pi \times 11\times 11\\\\=121\times \pi \\\\=121\pi \;inches^2

8 0
3 years ago
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