3 years ago

Are the two triangles below similar? N 259 50 5 105 50 3 01)

Mathematics

1 answer:

muminat3 years ago

4 0

Answer:

I didn't get the question please explain it

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A real estate agent needs to estimate the average value of a residential property of a given size in a certain area. The real es

alexira [117]

Answer:

Follows are the solution to this question:

Step-by-step explanation:

$95 \% \$ the confidence level for z:

$\alpha = 1 - 95 \% \\\\$

$= 1 - 0.95 \\\\ = 0.05$

$\to \frac{\alpha}{2} = \frac{0.05}{2} = 0.025\\\\\\to Z \ \frac{\alpha}{2} = Z_{0.025} = 1.96$

Calculating the Margin of error:

$E = Z\ \frac{\alpha}{2} \times ( \frac{\sigma}{\sqrt{n}})$

$= 1.96 \times ( \frac{5000}{\sqrt{\sqrt{100}}})\\\\= 980$

The population means estimate a 95 % confidence interval is:

$\to \bar{x} \frac{+}{-} E\\\\ = \$ 90000 \frac{+}{-} 980$

5 0

3 years ago

A random sample of bolts is taken from inventory, and their lengths are measured. The average length in the sample is 5.3 inches

LekaFEV [45]

Answer:

$L_x=5.3 inches$

Step-by-step explanation:

Average length $\=x =5.3 inches$

Standard deviation $\sigma=0.2 inches$

Sample size $n=50$

Generally The point estimate for the mean length of all bolts in inventory is

$L_x= \=x$

$L_x=5.3 inches$

3 0

3 years ago

What is 8q+6;q=2 its expression for the given value of the variable

Leya [2.2K]

Answer:

8q + 6 = 8*2 + 6 = 16 + 6 = 22

5 0

3 years ago

What is the slope of the line??? Someone please help.

hammer [34]

-1/1 is your answer :)

7 0

3 years ago

Y = kx<br><br> The constant of variation in this equation is????<br><br> y = 4x

Katena32 [7]

Y = kx

Where 'k' is the constant of variation.

y = 4x means that 4 is the constant of variation.

Answer: 4

6 0

4 years ago

Read 2 more answers

Are the two triangles below similar? N 259 50 5 105 50 3 01) ​

Are the two triangles below similar? N 259 50 5 105 50 3 01)