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3 years ago

Yo could y’all help me with 6th grade math

Mathematics

2 answers:

Nina [5.8K]3 years ago

5 0

Answer:

260

570

850

920

410

710

660

120

that all for now they out of order

Step-by-step explanation:

Likurg_2 [28]3 years ago

5 0

Answer:

260
120
410
570
590
190
850
100
300
920
530
200
410
630
960
710
810
1000
660
810
640

Step-by-step explanation:

You better give brainliest for that also please refrain from these type of questions. I bet people would apprieate it

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In a recent study of 42 eighth graders, the mean number of hours per week that they watched television was 19.6. Assume the popu

olya-2409 [2.1K]

Answer:

$19.6-2.42\frac{5.8}{\sqrt{42}}=17.43$

$19.6+2.42\frac{5.8}{\sqrt{42}}=21.77$

And the best option for this case would be:

a. (17.5, 21.7)

Step-by-step explanation:

Information given

$\bar X= 19.6$ represent the sample mean

$\mu$ population mean

$\sigma= 5.8$ represent the population deviation

n=42 represent the sample size

Confidence interval

The confidence interval for the mean is given by the following formula:

$\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}$ (1)

The degrees of freedom, given by:

$df=n-1=42-1=41$

Since the Confidence is 0.98 or 98%, the significance would be $\alpha=0.02$ and $\alpha/2 =0.1$ , and the critical value would be $t_{\alpha/2}=2.42$

Replacing we got:

$19.6-2.42\frac{5.8}{\sqrt{42}}=17.43$

$19.6+2.42\frac{5.8}{\sqrt{42}}=21.77$

And the best option for this case would be:

a. (17.5, 21.7)

8 0

3 years ago

SOMEONE PLEASE HELP ME WITH THE REPRESENTATIVE ION QUESTION I JUST ASKED PLEASE I'LL GIVE BRAINLIEST TO WHOEVER IS RIGHT

lilavasa [31]

Answer:

Step-by-step explanation:

what question?

6 0

2 years ago

Solve pls brainliest

diamong [38]

Answer:

3/8 = 9/24

1/3 = 8/24

3/8 > 1/3

Step-by-step explanation:

3/8 = 9/24 (multiply both numerator and denominator by 3)

1/3 = 8/24 (multiply both numerator and denominator by 8)

9/24 > 8/24

6 0

2 years ago

Give the angle measure represented by 2 rotations clockwise.

soldier1979 [14.2K]

Answer: B: 720

Step-by-step explanation: One turn is 360

5 0

3 years ago

The volume of a cone is 37x3 cubic units and its height is x units.

Alla [95]

Answer:

Step-by-step explanation:

The formula for the volume of a cone is ...

V = (π/3)r²h

Filling in the given values and solving for r, we find ...

37x³ = (π/3)r²x

(3·37/π)x² = r² . . . . . . . . divide by the coefficient of r²

x√35.3324 ≈ r ≈ 5.94x

The closest answer choice is 6x.

5 0

4 years ago