MATHEMATICS HIGH SCHOOL

A hypothetical population consists of eight individuals ages 14, 15, 17, 18, 19, 21, 28, and 30 years What is the probability that a person in this population is a teenager? What is the probability of selecting a participant older than 30? What is the probability of selecting a participant who is at least 20 years old?

Answers

Answer 1

Answer:

Answer:

1)0

2)3/8

Step-by-step explanation:

2)total number of participants who are at least 20 years old = 3

Total number of participants= 8

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Answers

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Answers

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Multiply.
(–2.1) ∙ (–1.4)
a. –3.5
b. –2.94
c. 2.94
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Answers

(-2.1) * (-1.4) = ?

(-2.1) * (-1.4) = 2.94

Answer: C

$(-2.1)*(-1.4)=- (21)/(10) *- (14)/(10)= (21*14)/(10*10)= (294)/(100)=2 (94)/(100)=2.94$

Four points, A(0, 0), B(1, 2), C(3, 1), and D(2,-1) lie in a plane. Line AD and Line BC are BEST described as ??A) skew.

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Answers

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A laptop has a listed price of 827.95 before tax. If the sales tax rate is 8.75%, find the total cost of the laptop with sales tax included.

Answers

Answer:

$900.40

Step-by-step explanation:

Multiply 827.95 by the sales tax rate of 0.0875 which gets you 72.445625. add 827.95 to this and round, giving you 900.40.

78 divided by 190

steps

Answers

78 x 100 = 7800

How many times does 190 go into 780?
≈ 4....190 x 4 = 760

780 - 760 = 20...bring down the extra 0 to make it 200.

How many times does 190 go into 200?
≈ 1...subtract 190 from 200 to get a remainder of 10

190 ÷ 7800 ≈ 41

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