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3 years ago

Which is equivalent to radical 10 ^3/4

Mathematics

1 answer:

egoroff_w [7]3 years ago

3 0

Cuberoot(10)^4 is the answer

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Using the frequency table below

Andrews [41]

Answer:

50%

Step-by-step explanation:

if you look below girls (in total) bought 100 pepsi colas and thats half of the total (200)

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3 years ago

Find the surface area of the triangular prism.

sattari [20]

You have to work out the area of each side. The two identical triangles are 6x4=24 because 8/2 is 4. The base is 8x5=40. The back is 6x5=30 and the top is 10x5=50. You then add them all together to get 144 ft squared.

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4 years ago

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Lindo used 1/4 of the yard of fabric she bought for a sewing project how much fabric did she have left

maksim [4K]

Answer:

she has 3/4 of the material left or 75%

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3 years ago

Five sisters each but matching scarves in two pairs of socks the scores are priced at $12 if the total bill for all five sisters

Illusion [34]

Answer:

the one pair of socks cost $2 dollars.

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4 years ago

If we wanted to create a new 90% confidence interval from a different sample for the proportion of those with a two on one date

slava [35]

Answer: 271

Step-by-step explanation:

The formula we use to find the sample size is given by :-

$n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2$

, where $z_{\alpha/2}$ is the two-tailed z-value for significance level of $(\alpha)$

p = prior estimation of the proportion

E = Margin of error.

If prior estimation of the proportion is unknown, then we take p= 0.5 , the formula becomes

$n=0.5(1-0.5)(\dfrac{z_{\alpha/2}}{E})^2$

$n=0.25(\dfrac{z_{\alpha/2}}{E})^2$

Given : Margin of error : E= 0.05

Confidence level = 90%

Significance level $\alpha=1-0.90=0.10$

Using z-value table , Two-tailed z-value for significance level of $0.10$

$z_{\alpha/2}=1.645$

Then, the required sample size would be :

$n=0.25(\dfrac{1.645}{0.05})^2$

Simplify,

$n=270.6025\approx271$

Hence, the required minimum sample size =271

3 0

4 years ago