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vitfil [10]
2 years ago
11

Seven students on an intramural team weigh 183​lb, 183​lb, 178​lb, 189lb, 173lb, 192lb, and 162 lb. What is the standard deviati

on of the weights of these​ students?
The standard deviation is
Mathematics
1 answer:
rjkz [21]2 years ago
8 0

Answer:

183

Step-by-step explanation:

You might be interested in
3. Liam has a rectangular back
MA_775_DIABLO [31]

Answer:

Length of the other side of the backyard is 80.4 feet.

Step-by-step explanation:

Let the dimensions of the Liam's rectangular backyard = 85 feet × a feet

Diagonal of the rectangle, AD = 117 feet

When we apply Pythagoras theorem in ΔABD,

AD² = AB² + BD²

(117)² = (85)² + BD²

a² = 13689 - 7225

a = √6464

  = 80.399 feet

a ≈ 80.4 feet

Therefore, length of the other side of the backyard is 80.4 feet.

3 0
2 years ago
Find how many quarts of 6% butterfat milk and 3% butterfat milk should be mixed to yield 60 quarts of 4% butterfat milk.
Snezhnost [94]

Answer:

20 quarts of 6% butterfat milk and 40 quarts of 3% butterfat milk is used to make 60 quarts of 4% butterfat milk.

Step-by-step explanation:

We are given the following in the question:

Let x quarts of 6% butterfat milk be used and y quarts of 3% butterfat milk be used to make 60 quarts of 4% butterfat milk.

Thus, we can write the equation:

6\%\times x + 3\%\times y = 4\%\times 60\\6x + 3y = 240

Total amount of 3% butterfat milk = 60

Thus, we can write the equation:

x+y = 60

Solving the two equation, we get,

6x + 3y-(3x+3y) = 240 - 3(60)\\3x = 240-180\\3x = 60\\x = 20\\y = 60-20 = 40

Thus, 20 quarts of 6% butterfat milk and 40 quarts of 3% butterfat milk is used to make 60 quarts of 4% butterfat milk.

3 0
3 years ago
An arc on a circle measures 125°. The measure of the central angle, in radians, is within which range? 0 to StartFraction pi Ove
tiny-mole [99]

Answer:

The answer is B or pi/2 to pi radians.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
PLEASSE HELP URGENT WILL GIVE BRAINLIEST FOR CORRECT ANSWER Brian wanted to find out if studying for the algebra test is effecti
Viefleur [7K]

Answer:

2/130 or 1/65

Step-by-step explanation:

64+4+2+60 (all the people) =130

Given the fact that ''2 learners studied but failed the test.'' Brian is the same.

So you would do 2/130 or simplify it, 1/65.

Hope it helps :)

6 0
3 years ago
Use the function below to find f(-4).
Margaret [11]

Answer:

A

Step-by-step explanation:

f(x) = 2x

f(-4) = 2(-4) = -8

7 0
3 years ago
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