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nikitadnepr [17]
3 years ago
11

7x+3y=11 3x-y=23 Solve by substitution

Mathematics
1 answer:
Pani-rosa [81]3 years ago
8 0
Hope this helps have a nice day :)

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Use the relationship between the angles in the figure to answer the question.
Galina-37 [17]

Answer:

The answer is the option x+49\°+28\°=180\°

Step-by-step explanation:

see the attached figure with letters to better understand the problem

we know that

m

m -----> by vertical angles

m -----> given problem

m -----> given problem

substitute

28\°+x+49\°=180\°

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3 years ago
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An office is divided into 8 cubicles. How many of the cubicles are carpeted if only 1/4 of the cubicles are carpeted?
Bas_tet [7]
1/4 of 8 is 2. So 2 of the cubicles are carpeted.
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I think it is c, am I right?
Sphinxa [80]

Answer:

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Step-by-step explanation:

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The amount of time it takes Evelyn to go grocery shopping is continuous and uniformly distributed between 20 minutes and 44 minu
vivado [14]

Answer:

85.71% probability that it takes Evelyn less than 38 minutes given that it takes less than 41 minutes for her to go grocery shopping

Step-by-step explanation:

An uniform probability is a case of probability in which each outcome is equally as likely.

For this situation, we have a lower limit of the distribution that we call a and an upper limit that we call b.

The probability that we find a value X lower than x is given by the following formula.

P(X < x) = \frac{x - a}{b-a}

Uniformly distributed between 20 minutes and 44 minutes.

This means that a = 20, b = 44.

What is the probability that it takes Evelyn less than 38 minutes given that it takes less than 41 minutes for her to go grocery shopping

We know that it takes less than 41 minutes, so we can update b to 41.

So

P(X < 38) = \frac{38 - 20}{41 - 20} = 0.8571

85.71% probability that it takes Evelyn less than 38 minutes given that it takes less than 41 minutes for her to go grocery shopping

4 0
3 years ago
(2x^5/6)(-4x^1/4)<br> Simplify
valentina_108 [34]

Step-by-step explanation:

<h2>2x-4x^(5/6×1/4)</h2><h2>-2x ^5/12ans</h2>

please follow me

and make me brainlist

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