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LenKa [72]
3 years ago
9

If a parallelogram is inscribed in a circle the it must be a

Mathematics
2 answers:
cupoosta [38]3 years ago
8 0

Answer:

Rectangle

Step-by-step explanation:

jekas [21]3 years ago
4 0

Answer: Rectangle

Step-by-step explanation:

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Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. Find the probability that a randomly s
GaryK [48]

Answer:

The bill size can be considered usual.

Step-by-step explanation:

Mean (μ) = $108.43

Standard deviation (σ) = $36.98

Now, consider the distribution to be normal distribution :

P(Z=\frac{X-\mu}{\sigma}>\frac{a-\mu}{\sigma})=P(Z>\frac{173-108.43}{36.98})\\\\\implies P(Z>1.75)

Now, finding values of z-score from the table. We get,

P(Z > 1.75) = 0.9599

⇒ 95.99%

So, only 4.01 % of the people in the city wastes water.

Hence, the bill size can be considered usual.

6 0
3 years ago
Read 2 more answers
Please help me solve
Lana71 [14]

Answer:

C. 30 ft

Step-by-step explanation:

Pythagorean Theorem: a² + b² = c²

When we draw out a picture, we should see that we use the Pythagorean Theorem to help solve our missing height:

10² + b² = 32²

b² = 32² - 10²

b = √924

b = 2√231 or 30.3974

Round that to 30 feet.

6 0
3 years ago
Read 2 more answers
What is the value of y?<br> 72°<br> A. 1080<br> B. 540<br> C. 36°<br> D. 720
nadya68 [22]

Answer:

B. 54

Explanation:

Take 72 from 180.

180 - 72 = 108.

Since there are two y's AND they're congruent, divide 108 by two and get 54.

3 0
2 years ago
Read 2 more answers
What are the possible values of x if (4x-5)^2=49? check all that apply. -4/5, -1/2, 3, 5, 7
vesna_86 [32]
The values are just 3 and -1/2 and that is all (:
5 0
3 years ago
Read 2 more answers
Given the function defined in the table below, find the average rate of change, in
Rus_ich [418]

Answer:

                                                                                                                                                                                                                                                   

Step-by-step explanation:

7 0
3 years ago
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