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2 years ago

10

The can of wood stain is twice as wide but half as tall as the can of paint. What is true about the areas of their labels?

2 answers:

MAXImum [283]2 years ago

8 0

In this case the areas would be exactly the same. To prove this, think of a can of stain as 4 inches wide by 6 inches tall/long. If the can of paint is 8 inches wide and 3 inches tall/ long, both areas would be 24 inches squared. By cutting one dimension in half and doubling the other dimension, you do not change the overall area.

AnnZ [28]2 years ago

7 0

Answer:

Astain = Apaint

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Step-by-step explanation:

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2 years ago

A basketball coach had 40 ounces of sunflower seeds . She wants to divide the seeds equally into 12 bags to give to her players

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3 years ago

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Alik [6]

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2 years ago

(CO 4) In a sample of 8 high school students, they spent an average of 24.8 hours each week doing sports with a sample standard

AveGali [126]

Answer:

(22.12, 27.48)

Step-by-step explanation:

Given : Significance level : $\alpha: 1-0.95=0.05$

Sample size : n= 8 , which is a small sample (n<30), so we use t-test.

Critical values using t-distribution: $t_{n-1,\alpha/2}=t_{7,0.025}=2.365$

Sample mean : $\overline{x}=24.8\text{ hours}$

Standard deviation : $\sigma=3.2\text{ hours}$

The confidence interval for population means is given by :-

$\overline{x}\pm t_{n-1,\alpha/2}\dfrac{\sigma}{\sqrt{n}}$

i.e. $24.8\pm(2.365)\dfrac{3.2}{\sqrt{8}}$

$24.8\pm2.67569206001\\\\\approx24.8\pm2.68\\\\=(24.8-2.68, 24.8+2.68)=(22.12, 27.48)$

Hence, the 95% confidence interval, assuming the times are normally distributed.= (22.12, 27.48)

6 0

2 years ago