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Katena32 [7]
3 years ago
5

What are he square roots of 36/100?

Mathematics
1 answer:
tiny-mole [99]3 years ago
4 0
The square root of 36/100 is c. -6/10 and 6/10
You can get this by using a calculator.
@[email protected]
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The mean score for a math test taken by Class A is 84, with the scores ranging from 78 to 94. The mean score for the same math t
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On average, the scores of Class B are lower than Class A.

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Step-by-step explanation:

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A simple random sample of 32 men from a normally distributed population results in a standard deviation of 12.9 beats per minute
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Null Hypothesis, H0 = The pulse rates of men have a standard deviation equal to 10 beats per minute

Alternate Hypothesis, H1 = The pulse rates of men do not have a standard deviation equal to 10 beats per minute

Step-by-step explanation:

The null hypothesis is basically the problem statement i.e

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ABC~DEF. ABC has a perimeter of 18 and a leg of 5. The base of DEF is 34.4. What is the perimeter of DEF.
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Help? with complete solution​ please help me please
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9514 1404 393

Answer:

  1. 13 ft
  2. (a) 1 second; (b) t = 0, t = 1/2

Step-by-step explanation:

<h3>1. </h3>

Let w represent the length of the wire. Then the height of attachment is (w-1). The Pythagorean theorem tells us a relevant relation is ...

  5² +(w -1)² = w²

  w² -2w +26 = w² . . . . . . . eliminate parentheses, collect terms

  26 = 2w . . . . . . . . . . . . add 2w

  13 = w . . . . . . . . . . . . divide by 2

The length of the wire is 13 feet.

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<h3>2. </h3>

(a) When h = 0, the equation is ...

  0 = -16t^2 +8t +8

Dividing by -8 puts this into standard form:

  2t^2 -t -1 = 0

Factoring, we get ...

  (2t +1)(t -1) = 0

The positive value of t that makes a factor zero is t = 1.

It will take 1 second for the gymnast to reach the ground.

__

(b) When h = 8, the equation is ...

  8 = -16t^2 +8t +8

Subtract 8 and divide by 8 to get ...

  0 = -2t^2 +t

  0 = t(1 -2t) . . . . factor out t

Values of t that make the factors zero are ...

  t = 0

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The gymnast will be 8 feet above the ground at the start of the dismount, and 1/2 second later.

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