2 years ago

Which of the following are side lengths of a right triangle?

Mathematics

1 answer:

Evgen [1.6K]2 years ago

5 0

A because if you add the two smaller sides to equal the larger side it’s a right triangle

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Suppose the population of a certain city is 5289 thousand. It is expected to decrease to 4530 thousand in 50 years. Find the per

Tcecarenko [31]

Answer:

14.4% decrease

Step-by-step explanation:

Here is the formula for finding the percentage of decrease:

(starting value - final value) / starting value * 100.

So for your question,

$\frac{5289-4530}{5289} =.0144\\.0144 * 100 = 14.4\\$ /

There was a 14.4% decrease within 50 years.

5 0

3 years ago

In Will’s garden, 71 out of 200 plants have developed seeds. Which is closest to the percent of his plants that have developed s

Olenka [21]

Maybe D or C umm mmh

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3 years ago

A recent survey of 50 executives who were laid off during a recent recession revealed it took a mean of 26 weeks for them to fin

g100num [7]

Answer: $(24.28,\ 27.72)$

Step-by-step explanation:

Given : Sample size : $n=50$

Sample mean : $\overline{x}=26$

Standard deviation : $\sigma =6.2$

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

Critical value : $z_{\alpha/2}=1.96$

Formula to find the confidence interval for population mean :-

$\overline{x}\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}\\\\=26\pm(1.96)\dfrac{6.2}{\sqrt{50}}\\\\\approx26\pm1.72\\\\=(26-1.72,\ 26+1.72)\\\\=(24.28,\ 27.72)$

Hence, a 95% confidence interval for the population mean = $(24.28,\ 27.72)$

6 0

3 years ago

Kylie plays softball on the merrick valley team she hits one out of every six balls pitched to her.if 32 balls have been pitched

Ganezh [65]

If 32 is divided by 6, the answer is 5.3. However because she cannot hit part of a ball, the number would be 5. Therefore, she would hit 5 out of 32 balls.

3 0

3 years ago

How would i answer this? Please keep it simple

AveGali [126]

Answer:

Step-by-step explanation:

8/100 x 4

32/400

6 0

3 years ago