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olga2289 [7]
3 years ago
5

24 students in a class took an algebra a test. If 18 students passed the test what percent passed?

Mathematics
2 answers:
stiks02 [169]3 years ago
5 0

Answer:

75% of students passed

Step-by-step explanation: divide 18 by 24 to find the precentage

grigory [225]3 years ago
5 0

Answer:

75%

Step-by-step explanation:

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To assess the precision of a laboratory scale, we measure a block known to have a mass of 1 gram. we measure the block n times a
vlada-n [284]
<span>n = 5 The formula for the confidence interval (CI) is CI = m ± z*d/sqrt(n) where CI = confidence interval m = mean z = z value in standard normal table for desired confidence n = number of samples Since we want a 95% confidence interval, we need to divide that in half to get 95/2 = 47.5 Looking up 0.475 in a standard normal table gives us a z value of 1.96 Since we want the margin of error to be ± 0.0001, we want the expression ± z*d/sqrt(n) to also be ± 0.0001. And to simplify things, we can omit the ± and use the formula 0.0001 = z*d/sqrt(n) Substitute the value z that we looked up, and get 0.0001 = 1.96*d/sqrt(n) Substitute the standard deviation that we were given and 0.0001 = 1.96*0.001/sqrt(n) 0.0001 = 0.00196/sqrt(n) Solve for n 0.0001*sqrt(n) = 0.00196 sqrt(n) = 19.6 n = 4.427188724 Since you can't have a fractional value for n, then n should be at least 5 for a 95% confidence interval that the measured mean is within 0.0001 grams of the correct mass.</span>
8 0
3 years ago
What is the equation of the line? Plsss helppp
Goshia [24]

Answer:

y = -7

Step-by-step explanation:

Slope: 0

y-intercept: (0,−7)

Since the line doesn't change up, down, right, or left, and it stays on the y-axis, that's how u get y = . The straight line runs along -7 . That's how u get -7 . so when u put it all together u get: y = -7 .

Hope that helps. Tried to explain the best I could :)

5 0
3 years ago
Write the words as decimals
cestrela7 [59]

8. 2,164.8

9. 304.07

10. $421.37

I hope this helps!!!

5 0
3 years ago
Read 2 more answers
Pleaseee help me solve this
Helga [31]

Answer:

I believe the answer is y = -8

6 0
3 years ago
Please help and fast!!!!<br><br> ( i accidently clicked an answer)
Shkiper50 [21]

Answer:

16,734.06 ft2

Step-by-step explanation:

A = 2pir

A = 2 x pi x 73

A = 16741.5 ft2

4 0
2 years ago
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