3 years ago

There are 3 balls in a hat; one with the number 1 on it, one with the number 6 on it, and one with the number 7 on it. You

Mathematics

1 answer:

V125BC [204]3 years ago

6 0

Answer:

coin: ball:

head -- 6

tail -- 6

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You are playing a game in which a single die is rolled. If a 2 or 5 comes up, you win $36, otherwise you lose $36. What is your

ozzi

Your expected value is 36*2/6 + -36*4/6, which is equal to $-12.

7 0

3 years ago

This is for my friend so if you could solve this asap that would be great

Yuliya22 [10]

Answer:

1. 5x^2 − 3x − 2

2. 4s^2 −28s + 49

3. 4y^2 + 9y + 8

8 0

3 years ago

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jolie can read around 14 sentences per minute of her current novel. She wants to finish reading her book before the movie comes

alexandr402 [8]

Start at the beginning. 17 pages times 120 sentences is the first thing.
17 x 120 = 2040. So she has to read 2,040 sentences. If we now divide 2.040 by 14 pages/minute, we shoud get

2,040 divided by 14 = 145.7

The last thing to do, is changes those minutes into hours by dividing by 60.
2.42 hours.

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3 years ago

What does X equal. -356 = -77 -9x This is grade 7 math.

LuckyWell [14K]

Answer:

<h2> x = 2.82 (approx.)</h2>

Step-by-step explanation:

Given, 

- 356 = -77 - 99x

=> -77 - 99x = -356

=> -99x = -356 + 77

=> -99x = -279

$= > x = \frac{ - 279}{ - 99}$

=> x = 2.8181....

=> x = 2.82 (approx.) (Ans)

7 0

3 years ago

Have no clue on this please help

NemiM [27]

The answer would be D) dilated by a scale factor of 3

Proof :

A is at (-2, 1), A' is at (-6, 3) Try multiplying -2 by 3 = 6, 1 x 3 = 3.

I hope this makes sense and helps.

6 0

3 years ago