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olya-2409 [2.1K]
2 years ago
8

Which choice shows three lengths that cannot be the lengths of the three sides of a triangle?

Mathematics
1 answer:
Alenkasestr [34]2 years ago
7 0

Answer:

The right answer is B.

Step-by-step explanation:

To be sure if three sides could be used to form a triangle, you need to remember that two sides of a triangle added together is always greater than the final side. B is the only selection that does not work for the law, 3 + 5 = 8 which is smaller than 10, so the corrct answer is B.

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olasank [31]
B. a physical change
6 0
3 years ago
Read 2 more answers
30 pens cost $12.50. how much is 75 pens cost
Mice21 [21]

Answer:$31.25

Step-by-step explanation:

$12.50/30=$.42each*75=$31.25

5 0
3 years ago
According to a study conducted in one city, 39% of adults in the city have credit card debts of more than $2000. A simple random
Butoxors [25]

Answer:

The sampling distribution of the sample proportion of adults who have credit card debts of more than $2000 is approximately normally distributed with mean \mu = 0.39 and standard deviation s = 0.0488

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For a proportion p in a sample of size n, the sampling distribution of the sample proportion will be approximately normal with mean \mu = p and standard deviation s = \sqrt{\frac{p(1-p)}{n}}

In this question:

p = 0.39, n = 100

Then

s = \sqrt{\frac{0.39*0.61}{100}} = 0.0488

By the Central Limit Theorem:

The sampling distribution of the sample proportion of adults who have credit card debts of more than $2000 is approximately normally distributed with mean \mu = 0.39 and standard deviation s = 0.0488

5 0
3 years ago
A student is asked to find the length of the hypotenuse of a right triangle. The length of one leg is 34 ​centimeters, and the l
rjkz [21]

1. Use the Pythagorean Theorem because this is a right triangle:

a^2 + b^2 = c^2

34^2 + 23^2 = c^2

√ 1685 = c

c = 41

answer: 41

7 0
2 years ago
A satellite flies 55738 miles in 9.61 hours. How many miles has it flown in 14.17<br> hours?
stira [4]

Answer:

82186

Step-by-step explanation:

First divide 55738/9.61 = 5800

Multiply 5800*14.17 = 82186

Was this helpful?

5 0
2 years ago
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