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4 years ago

Is 3 years greater than 30 months

Mathematics

2 answers:

vampirchik [111]4 years ago

6 0

Yes, 3 years is 36 months
12x3=36

seropon [69]4 years ago

5 0

3 years is greater than 30 months because 1 year is 12 months, 2 years is 24 months and 3 years is 36 months and 36 is larger, greater than, 30.

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58 Points & Brainliest I PROMISE!!!

Sergeeva-Olga [200]

49 < 52 < 64

sqrt (49) < sqrt (52) < sqrt (64)

7 < sqrt ( 52) < 8

the sqrt(52) is close to 7

5 0

4 years ago

Read 2 more answers

PLZ HELP d+(−5.004)=2.826<br><br>This is from khan academy btw!<br> what dose d=

Brilliant_brown [7]

Answer:

D=7.83

Step-by-step explanation:

5 0

3 years ago

how many weeks of data must be randomly sampled to estimate the mean weekly sales of a new line of athletic footwear? We want 98

Ber [7]

Answer:

We need to sample at least 37 weeks of data.

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.98}{2} = 0.01$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.01 = 0.99$ , so $z = 2.327$

Now, find the margin of error M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

We want 98% confidence that the sample mean is within $500 of the population mean, and the population standard deviation is known to be $1300

This is at least n weeks, in which n is found when $M = 500, \sigma = 1300$

$M = z*\frac{\sigma}{\sqrt{n}}$

$500 = 2.327*\frac{1300}{\sqrt{n}}$

$500\sqrt{n} = 2.327*1300$

$\sqrt{n} = \frac{2.327*1300}{500}$

$(\sqrt{n})^{2} = (\frac{2.327*1300}{500})^{2}$

$n = 36.6$

Rounding up

We need to sample at least 37 weeks of data.

8 0

3 years ago

Explain how to solve 4|3x-1|+1=8

denis-greek [22]

4|3x - 1| + 1 = 8

4|3x - 1| = 8 - 1

4|3x - 1| = 7

|3x - 1| = 7/4

Now lets think, we have 3x - 1 in module, so either its 7/4 or -7/4, we will have 7/4 at the end because of it, so we may have 2 solutions in this case:

3x - 1 = 7/4

and

3x - 1 = -7/4

So let's see:

3x - 1 = 7/4

3x = 7/4 + 1

3x = 11/4

x = 11/12

3x - 1 = -7/4

3x = -7/4 + 1

3x = -3/4

x = -1/4

So we have two possible answers, x = 11/2 and x = -1/4

8 0

3 years ago

Need answers for parallelogram LMNO

laiz [17]

Answer:

what does lmno means

Step-by-step explanation:

6 0

3 years ago