3 years ago

Determine the approximate value of side a.

Mathematics

1 answer:

Natali [406]3 years ago

7 0

Answer: 7.949 I also got this correct.

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The passing yards for the top 5 quarterbacks in the country are 3,832, 3,779, 3,655, 3,642, and 3,579. Find the variance and sta

Leviafan [203]

First get the average passing yards:

(3,832 + 3,779 + 3,655 + 3,642 + 3,579) / 5 = 3,697.4

Now get the squared residuals for each quarterback's passing yards. That is, compute the difference between each data and the average, then square the result. For example,

(3,832 - 3,697.4)^2 = 134.6^2 = 18,117.2

For the others, you should get squared residuals of

6,658.56

1,797.76

3,069.16

14,018.6

Take the sum of the squared residuals, then - since this is a sample, and not a population of all quarterbacks - divide the sum by 5 - 1 = 4 to get the variance:

(18,117.2 + 6,658.56 + 1,797.76 + 3,069.16 + 14,018.6)/4 = 10,915.3

The standard deviation is just the square root of the variance:

√(10,915.3) ≈ 104.48

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3 years ago

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What is equivalent to (x – 8)(x – 6)?

baherus [9]

X^2 - 8x - 6x + 48 i think

6 0

2 years ago

Pls help i give you brainliest

stepladder [879]

Kimi no toriko ni natte ti shi mae ba kitto

7 0

3 years ago

Someone please help!

igomit [66]

Answer:

-11/12 make sure you press the negative

8 0

3 years ago

What's the formula for a triangle if your trying to find the area?

Minchanka [31]

Answer:

$A=\frac{1}{2}bh$

Step-by-step explanation:

In the formula listed above, "A" represents the area of the triangle, "b" represents the base of the triangle, and "h" is the height/altitude of the triangle.

This makes sense because the area of a square is base*height and a triangle is half of a square.

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2 years ago