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klio [65]
3 years ago
9

What are sides 'a' and 'b' called in a right triangle

Mathematics
1 answer:
rewona [7]3 years ago
5 0

Answer:

The legs.

Step-by-step explanation:

The triangle has the longest side being the hypotenuse and the other two being the legs. If this were in regard to a specific angle, one side may be called adjacent and the other the opposite.

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The length of human pregnancies from conception to birth varies according to a distribution that is approximately normal with me
iragen [17]

Answer:

a) 229 and 305 days

b) 229 days or less

c) 305 days or more

Step-by-step explanation:

The Empirical Rule(68-95-99.7 rule) states that, for a normally distributed random variable:

68% of the measures are within 1 standard deviation of the mean.

95% of the measures are within 2 standard deviation of the mean.

99.7% of the measures are within 3 standard deviations of the mean.

In this problem, we have that:

Mean = 267

Standard deviation = 19

(a) Between what values do the lengths of the middle 95% of all pregnancies fall?_____________and___________days

By the Empirical rule, 95% of all pregnancies fall within 2 standard deviations of the mean.

So

267 - 2*19 = 229 days

to

267 + 2*19 = 305 days

(b) How short are the shortest 2.5% of all pregnancies?______days or less

95% of all pregnancies fall within 2 standard deviations of the mean. The other 5% are more than 2 standard deviations from the mean. Since the distribution is symmetric, 2.5% is more than 2 standard deviations below the mean(shortest 2.5%) and 2.5% is more than 2 standard deviations above the mean(longest 2.5%). So

267 - 2*19 = 229 days

c) How long do the longest 2.5% of pregnancies last?________days or more

Explanation in b)

267 + 2*19 = 305 days

7 0
3 years ago
What was his mistake????
stealth61 [152]
He didn't distribute 1/3 to x and 15 before solving
4 0
3 years ago
Help me thanks please thanks
Gnesinka [82]
83838383 centimeters
4 0
3 years ago
Read 2 more answers
Marge cuts 16 pieces of tape. each piece is 3/8 inches long. how much tape did she use
PilotLPTM [1.2K]
16 x 3/8 so 16/1 x 3/8 = 48/8. 48 divided by 8 is 6. So 6 inches.
4 0
3 years ago
Read 2 more answers
Round this number to the given place values:
nataly862011 [7]

Answer:

Ones place: 456.3000

tenths place: 456.3000

hundredths place: 456.2990

thousandths place: 456.2991

5 0
3 years ago
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