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GenaCL600 [577]
3 years ago
8

Suppose there are 25 students attending Friday lectures on Statistics.

Mathematics
1 answer:
AnnyKZ [126]3 years ago
4 0
The answer is A because B doesn't make sense
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Andrea made a replica of the Empire State Building. The surface area of the model is 45 ft2. What is the surface area of the act
melamori03 [73]

Answer:

<u>87,120 ft²</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the question correctly:

Surface area of the Empire State building replica = 45 square feet

Scale factor = 44

2. What is the surface area of the actual Empire State Building in square feet?

For answering the question, we will make the following calculations:

45 square feet = 9 feet * 5 feet or,

45 square feet = 10 feet * 4.5 feet, or,

45 square feet = 20 feet * 2.25 feet.

Now, let's apply the scale factor to all of these probable lengths of the sides of the surface area of the replica, as follows:

(9 *44) * (5 * 44) = 396 * 220 = 87,120 ft²

(10 * 44) * (4.5 * 44) = 440 * 198 = 87,120 ft²

(20 * 44) * (2.25 * 44) =  880 * 99 = 87,120 ft²

<u>As we proved, no matter what are the lengths of the sides of the surface area of the replica. after applying the scale factor, the result is the same: 87,120 ft²</u>

6 0
3 years ago
4 to the 8th power divided by 4 to the 5th power
Natasha2012 [34]

Alright, 4 to the 8th power is 4x4x4x4x4x4x4x4 which ends up as 65,536.

4 to the 5th power is the same thing but with 5 4's and that is 1,024.

All you need to do now is 65,536/1,024 = 64.

Solved!  :D

6 0
3 years ago
Arc measure with equations
Alona [7]

Answer:131

Step-by-step explanation:

7 0
3 years ago
What is the equation of the line in slope-intercept form?
Mumz [18]

Answer:

y=mx+b :)

Step-by-step explanation:

5 0
3 years ago
X^3 = 1,000<br> algebratic equations
katovenus [111]

Answer:

10

Step-by-step explanation:

x³=1000

x=3√1000

x=10

5 0
2 years ago
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