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Bond [772]
3 years ago
15

Factor the equation. x^2 + 7x = 3x + 12

Mathematics
1 answer:
Taya2010 [7]3 years ago
4 0

Answer:

3489.9583

Step-by-step explanation:

but htts its s

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While preparing for a party, Luis spent 25 minutes blowing up 10 balloons. Write an equation to express how many minutes it took
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m= 2.5x is the equation you want to use, hope this helped! <3


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If the Morenos went to the hospital for the next two weeks and for every bill was $100 plus income tax (income tax is $30)how mu
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3 years ago
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On a test that has a normal distribution, a score of 19 falls one standard deviation below the mean, and a score of 40 falls two
nexus9112 [7]

Hi there!

We can use the following equation:

\large\boxed{z = \frac{x-\mu}{\sigma}}

z = amount of standard deviations away a value is from the mean (z-score)

σ = standard deviation

x = value

μ = mean

Plug in the knowns for both and rearrange to solve for the mean:

-1 = \frac{19-\mu}{\sigma}\\\\-\sigma = 19 - \mu\\\\ \sigma = -19 + \mu

Other given:

2 = \frac{40-\mu}{\sigma}\\\\2\sigma = 40- \mu\\\\ \sigma = 20 - \frac{\mu}{2}

Set both equal to each other and solve:

-19 + \mu = 20 - \frac{\mu}{2}\\\\\frac{3\mu}{2} = 39 \\\\3\mu = 78 \\\\\boxed{\mu = 26 }

5 0
2 years ago
A baseball team played 32 question games and lost eight can use the catcher in 5/8 of the winning games in 1/4 of the losing gam
Westkost [7]

Answer:

3/4

Step-by-step explanation:

From this question we have that this team played 32 games.

They lost 8 out of these 32 games

So their total wins = 32 - 8 = 24

Therefore the fraction of their win would be = win / total number of games played

= 24/32

When reduced further

24/32 = 3/4

Therefore the fraction of games which the team won = 3/4

Thank you!

4 0
3 years ago
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