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3 years ago

If the denominators are the same and the numerator is higher than the other number true or false

Mathematics

1 answer:

Naddika [18.5K]3 years ago

7 0

Answer:

true

Step-by-step explanation:

it just is

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2 years ago

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2 years ago

Is (5,2), (1,3), ( 4,7), (5,6), (0,4) a function

Rudiy27

Answer:

Step-by-step explanation:

The x value of 5 is repeated making it not a function.

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3 years ago

URGENT please help<br><br> Find part B

lyudmila [28]

Answer:

b = 45 / 4 = 11 1 /4.

Step-by-step explanation:

We are dealing with a (30,60,90)-triangle, therefore z = 15 sqrt(3) / 2. So as well b = (15 sqrt(3) / 2) sqrt(3) / 2 = 45 / 4.

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2 years ago

Assume that a sample is used to estimate a population mean μ. Find the margin of error M.E. that corresponds to a sample of size

NemiM [27]

Answer: 16.2

Step-by-step explanation:

Margin of Error formula :-

$E=z_{\alpha/2}\times\dfrac{\sigma}{\sqrt{n}}$

Given : Sample size : n= 4

Mean : $\mu=21.6$

Standard deviation: $\sigma=12.6$

Significance level : $\alpha:1-0.99=0.01$

Now, the margin of error for the sample :-

$E=z_{0.005}\times\dfrac{12.6}{\sqrt{4}}\\\\\Rightarrow\ (2.576)\times6.3$ [by using standard normal distribution table]

$=16.2288\approx16.2$

Hence, the margin of error for the given sample =16.2

6 0

2 years ago