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mamaluj [8]
3 years ago
11

3 units

Mathematics
1 answer:
kari74 [83]3 years ago
8 0

Answer:

\large\boxed{BC=\sqrt{13}}

Step-by-step explanation:

\text{If}\ a\leq b\leq c\ \text{are lengths of sides of a right triangle, then}\\\\a^2+b^2=c^2.\\\\\text{We have:}\ 2

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SOMEONE PLEASE HELP ME ASAP PLEASE!!!!​
guapka [62]

Area of the triangle: 1/2 x 6 x 8 = 24 square ft.

Area of half circle: 1/2 x 3.14 x 4^2 = 25.12 square feet.

Total area : 24 + 25.12 = 49.12 square feet.

3 0
2 years ago
23.82600 round to three significant figures​
fomenos

Answer:

23.8 i think

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Given that X ~ N(120, 35). We survey samples of 25 and are interested in the distribution of X-bar. Find the z-score associated
lubasha [3.4K]

Answer:

Option c -2.8571

Step-by-step explanation:

z-score are calculated as

z=\frac{xbar-mean}{\frac{S.D}{\sqrt{n} } }.

We are given that mean=120 and standard deviation=S.D=35 as X~N(120,35).

Sample size=n=25.

We have to find z-score for x-bar=100. So,

z-score=[100-120]/[35/√25]

z-score=[-20]/[35/5]

z-score=-20/7

z-score=-2.8571.

Thus,  the z-score associated with x-bar = 100 is -2.8571.

8 0
3 years ago
If sample bias exists, then we can easily trust using the sample as representative of the
Lina20 [59]
<h3>Answer:  False</h3>

Explanation:

If the sample is biased, then it does not represent the population. A biased sample favors one or more groups over others.

For example, if the sample consisted of only men, then the sample is biased toward men and leaves out women from the group. Hence, this sample does not represent everyone.

6 0
2 years ago
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A draw scaling of a parking lot has a width of four inches. If the scale is 1 inch = 8 feet. What is the actual width of the par
IgorLugansk [536]

Answer: 32 feet

Step-by-step explanation:

Since 1 inch equals 8 feet and the parking lot has a width of 4 inches we multiply 8 times 4 giving you an answer of 32, so the parking lot's width is 32 feet.

4 0
2 years ago
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