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2 years ago

PLEASE HELP ASAP TYVMM

Mathematics

2 answers:

adell [148]2 years ago

8 0

Answer:

use a protractor to help u find the answer

Step-by-step explanation:

I don't want to give out the answer

Eddi Din [679]2 years ago

6 0

Answer:

Step-by-step explanation:

its a right angel 33+57=90

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Solve. 24= 7/8g A. 3/7 B. 21 C. 23 1/8 D. 27 3/7

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Jimmy's cedar trunk is in the shape of a rectangular prism and has a volume of 3/4 cubic yard. How many cubic blocks with a side

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Answer: 6 blocks

Step-by-step explanation:

Given

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Length of the cubic block is $a=\dfrac{1}{2}\ yd$

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3 years ago

A drink dispenser fills cups at a rate of 2 ounces per second. Adrain has 64 ounce cup that already contains 18 ounces of water.

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Answer:

23 seconds

Step-by-step explanation:

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Answer:

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So then the best answer for this case would be:

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Step-by-step explanation:

For this case we have the following probabability distribution function given:

Score P(X)

A= 4.0 0.2

B= 3.0 0.5

C= 2.0 0.2

D= 1.0 0.08

F= 0.0 0.02

______________

Total 1.00

The expected value of a random variable X is the n-th moment about zero of a probability density function f(x) if X is continuous, or the weighted average for a discrete probability distribution, if X is discrete.

If we use the definition of expected value given by:

$E(X) = \sum_{i=1}^n X_i P(X_I)$

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