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r-ruslan [8.4K]
3 years ago
13

Find the following for the function f(x) = 3x² + 4x - 4.

Mathematics
1 answer:
Eva8 [605]3 years ago
4 0

Answer:

C_3fihcahjzshshsushshshxhxh

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The dance committee consisted of 8 students. The committee will select three officers at random. What is the probability that Ma
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3/24
I’m guessing cause you times 3 by 8 to get 24 which is the amount of possibilities
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3 years ago
What is a vennn diagram​
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Answer:

a model used to compare and contrast

Step-by-step explanation:

I suggest looking at a few examples of a venn diagram to help you better understand the concept :)

Hope this helps!

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3 years ago
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Evelyn has dance class every Saturday. It lasts 1 hour and 40 minutes and is over at 12:45 P.M.
leva [86]

Answer:

Evelyn's dance class on Saturday starts at 11:05 A.M.

Step-by-step explanation:

I know this because if her class takes an hour and 40 minutes you would subtract the hour and 40 minutes from 12:45 so you could do 12 - 1 which equals 11. Then you would do 45 - 40 which equals 5. And last you would put the new times together so it would be, 11:05. Her dance class starts at 11:05 A.M.

7 0
3 years ago
. Compute the required sample size given the required confidence in the sample results is 99.74% (Z score of 3). The level of al
Shtirlitz [24]

Answer:

900 sample size

Step-by-step explanation:

To determine the sample size for a proportion, the margin of error formula is used to determine this:

E=Z_{\frac{\alpha}{2} }*\sqrt{\frac{\hat p \hat q}{{n} }

n=\hat p \hat q*(\frac{Z_{\frac{\alpha}{2} }}{E} )^2

Where p is the proportion, E is the margin of error, n is the sample size, q = 1 - p, Z_\frac{\alpha }{2} is the z score.

Since the proportion is not known, the sample size needed to guarantee the confidence interval and error is at p = 0.5 and q = 1 - p = 1 - 0.5 = 0.5

E = 5% = 0.05, Z_\frac{\alpha }{2} = 3. Hence:

n=0.5*0.5*(\frac{3}{0.05} )^2\\\\n = 900

6 0
3 years ago
Whats 195÷13 using base-ten blocks????
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I'm pretty sure the answer is 15 base-ten blocks
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3 years ago
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