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Mnenie [13.5K]
3 years ago
8

1/2r+2(3/4r-1)=1/4r+6

Mathematics
1 answer:
bixtya [17]3 years ago
3 0
I think r should equal 32/7
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John needs to make a scale drawing of his school building for art class. If the building is 256.25 meters long, and John scales
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What is the slope of the line 3y=4x+5?<br> Answer choices: <br> A. 5/3<br> B. 4/3<br> C. 2<br> D.4
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B. 4/3

Step-by-step explanation:

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Presbycusis is the gradual hearing loss that occurs as a person ages. An estimated one-quarter of Americans between the ages of
svetlana [45]

Answer:

The answer is the "Null hypothesis and Alternative hypothesis".

Step-by-step explanation:

The null hypothesis is almost like a hypothesis test, which indicates the certain demographic characteristics which aren't varied.

The alternative presumption will be that the hypothesis besides making predictions is opposite to the void assumption. Its posts are generally taken as a result of a meaningful effect.

Difference:

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3 0
2 years ago
Three universities receive endowments totaling 110 million dollars. Northern U receives twice as much as wester U. Eastern Us en
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Answer:

Western U gets 20 million

Norther U gets 40 million

Eastern U gets 50 million

Step-by-step explanation:

We need to find the amount each university gets.

Let

Northern U get n

Western U get w

Eastern U get e

We can write equations from the given word problem:

n + w + e = 110

and

n = 2w

e = n + w - 10

Putting 2nd in 3rd, we get:

e = 2w + w - 10

e = 3w - 10

Now putting this and 2nd in first, we solve for w:

n + w + e = 110

2w + w + 3w - 10 = 110

6w = 120

w = 20

AND n = 2 (20) = 40

AND e = 3(20) - 10 = 50

So,

Western U gets 20 million

Norther U gets 40 million

Eastern U gets 50 million

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3 years ago
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