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svetlana [45]
3 years ago
11

Need help for number 13 and 14. The worksheet given to me is called simplifying rational exponents, my teacher gives us the answ

ers for it (in red) but I have no idea how to get it

Mathematics
1 answer:
Viefleur [7K]3 years ago
8 0
When there are variables with exponents on the bottom you have to subtract the ones on the bottom from the ones on the top. Then if the exponent is negative you have to flip it.
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In response to the increasing weight of airline passengers, the Federal Aviation Administration (FAA) told airlines to assume th
velikii [3]

Answer:

Because we don't know the exact shape of the population distribution since they are not Normally distributed and they are also not very non-Normal

Step-by-step explanation:

We are given;

Population standard deviation;μ = 200

Population standard deviation; σ = 35

Sample size; n = 30

We are told that the weights are not Normally distributed and they are also not very non-Normal. Therefore it means we don't know the exact shape of the population distribution and as such we can't calculate the probability that a randomly selected passenger weighs more than 200 pounds.

4 0
3 years ago
Solve for x<br>2x²-3x-209=0​
kifflom [539]

Answer:

x= 11

Step-by-step explanation:

3 0
3 years ago
Solve this problem using the proper formula. A carpenter is building a bookcase the perimeter of the top is 108 in. What length
lapo4ka [179]
Assuming the length is y and the width is x
Perimeter = y + y + x + x
                = 2y +2x
                = 2 (y + x)
if the is 8 and the perimeter is 108
   108 = 2 (y +8)
    108/2 = y+8
    54    = y +8
    54 - 8 = y
    46 = y

Length = 46 inches
3 0
3 years ago
Read 2 more answers
The deck on a home is shaped like a parallelogram. The parallelogram has an area of 544.5 ft2 and a base measurement of 16.5 ft.
defon

<u><em>Answer:</em></u>

The height of the parallelogram is 33 ft

<u><em>Explanation:</em></u>

<u>The area of the parallelogram can be calculated using the following rule:</u>

Area of parallelogram = base * height

<u>In the problem, we are given that:</u>

Area = 544.5 ft²

Base = 16.5 ft

<u>Substitute with the given values in the above equation and solve for the height as follows:</u>

Area = base * height

544.5 = 16.5 * height

height = \frac{544.5}{16.5} = 33 ft

Hope this helps :)

5 0
3 years ago
Read 2 more answers
13
tresset_1 [31]

Answer:

60 servings

Step-by-step explanation:

1/4 = 20% of a pound of blueberry

1 pound of blueberry = 100 ÷ 20% = 5 servings

12 pounds = 5 x 12 = 60 servings

8 0
3 years ago
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