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aniked [119]
3 years ago
10

X square= 121 can anyone solve it

Mathematics
1 answer:
Alik [6]3 years ago
4 0

Answer:

Picture is the answer.

Step-by-step explanation:

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A committee of 4 boys is selected from 10 boys?
klio [65]

Answer:

I don't know about this thing

8 0
3 years ago
FAST REPLIES PLEASE I NEED HELP
Nonamiya [84]

Answer:

54 degrees

Step-by-step explanation:

No matter the categorization of a triangle the total degrees present will equal 180. You know that you have a corner that equals 44 degrees and another that is 82 degrees. Add the 44 + 82 degrees to get 126 degrees. After getting the 126 degrees, minus that from the total of 180 to get 54 degrees.

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3 years ago
5/7+7/22 what is the answer
andrey2020 [161]

Answer:

1 5/154

Step-by-step explanation:

3 0
3 years ago
Suppose that the ages of members in a large billiards league have a known standard deviation of σ = 12 σ=12sigma, equals, 12 yea
asambeis [7]

Answer:

n\geq 23

Step-by-step explanation:

-For a known standard deviation, the sample size for a desired margin of error is calculated using the formula:

n\geq (\frac{z\sigma}{ME})^2

Where:

  • \sigma is the standard deviation
  • ME is the desired margin of error.

We substitute our given values to calculate the sample size:

n\geq (\frac{z\sigma}{ME})^2\\\\\geq (\frac{1.96\times 12}{5})^2\\\\\geq 22.13\approx23

Hence, the smallest desired sample size is 23

3 0
3 years ago
A tunnel is in the shape of a parabola. The maximum height is 31 m and it is 13 m wide at the base as shown below.
yan [13]
Using the given values from the problem and the illustration, three points are known which are (0,0), (6.5,-31), (-6.5,-31). The first step in solving this problem is to determine the equation of the parabola.
y = ax²
-31 = a(6.5)²
-31 = 42.25a 
a = -31/42.25 
a = -124/169 

Therefore, the equation of the parabola is y = (-124/169)x². The value 4.5 is then substituted in the equation as x to get the answer which is 16.14 meters.
6 0
3 years ago
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