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nikdorinn [45]
2 years ago
12

PLEASE HELP ILL GIVE MEDALS AND MARK BRAINLIEST !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Korolek [52]2 years ago
8 0

the answer is 0.5. at least that is the answer i got but i could be wrong


Effectus [21]2 years ago
3 0
The probability is 0.5
-Hope it helps!
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You walk 2 miles in 1/2 hour. At what rate how long will it take you to walk 3 miles
vlabodo [156]
1) 2 : 1/2 = 4 (miles/hour)
2) 3 : 4 = 3/4 (hour)

Answer: you will walk 3 miles in 3/4 hour.
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3 years ago
Which one are correct?
Nesterboy [21]
B and d are correct
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Mrs. Bailey gives a test, and her students’ scores range from 30 to 70. She decides to curve the scores, so that they range from
Harman [31]

Answer:

f(x) = x*3/4 + 42.5

Step-by-step explanation:

The original difference between the pair is 70 - 30 = 40

The new difference between the pair is 95 - 65 = 30

Since the differences are not the same, Mrs Bailey must first perform a (slope) multiplication by a factor of 30/40 or 3/4

Then 30 * 3/4 = 22.5

Then she can shift the scores up by 65 - 22.5 = 42.5 in order to get the range from 65 to 95

Therefore, f(x) = x*3/4 + 42.5. We can test that

f(30) = 30*3/4 + 42.5 = 65

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8 0
2 years ago
Help me plz <br><br> 3 (2x - 2) - 2 (x - 2)
Anton [14]

Answer:

4x - 2

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3(2x - 2) - 2(x - 2) [Distributive Property]

6x - 6 - 2x + 4

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7 0
2 years ago
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Prove that x-y = √(x+y)^2-4xy?
Svetlanka [38]

Proved Below

\Longrightarrow x-y = \sqrt{(x+y)^2-4xy}

\Longrightarrow x-y = \sqrt{x^2+2(x)(y)+ y^2-4xy}

\Longrightarrow   x-y = \sqrt{x^2+2xy-4xy+y^2}

\Longrightarrow x-y = \sqrt{x^2-2xy+y^2}

\Longrightarrow x-y = \sqrt{(x-y)^2}

\Longrightarrow x-y =x-y

6 0
2 years ago
Read 2 more answers
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