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a tennis ball served from a racket which is 5 feet above the ground. the tennis ball reaches a maximum height and then descends
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Answer:
See below
Step-by-step explanation:
Q1. if a counting number is selected at random from a set of whole number less than or equal to 20 find the probability of getting:
Counting numbers are Natural numbers:
Also, we have Whole numbers. Despite not having an official symbol, I usually denote the set as
<u>Whole numbers less than or equal to 20</u>:
<u>A. Prime numbers</u>
From the set A, the prime numbers are 2, 3, 5, 7, 11, 13, 17, 19.
Once we have 21 numbers in total and 8 prime numbers, the probability is:
<u>B. Composite numbers</u>
From the set A, the composite numbers are 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20.
Once we have 21 numbers in total and 11 composite numbers, the probability is:
<u>C. Divisible by three</u>
From the set A, the numbers divisible by three are 3, 6, 9, 12, 15, 18.
Once we have 21 numbers in total and 6 numbers divisible by three, the probability is:
<u>D. Square of 2</u>
From the set A, the numbers square of 2 are 0, 1, 4, 9, 16.
Once we have 21 numbers in total and 5 numbers square of 2 , the probability is:
Q2. The opposite angle of acyclic quadrilaterals is in the ratio of 2:3. Find the degree measure of each opposite angle?
Once they're opposite, they add up to 180º
The first angle is 72º
The second angle is 108º
Q3. what is the solution set of 9x-4<13x-7 (domain, x e z) ?
Q4. if three fourth of a number is one tenths, what is the number?
Q5. which one is the equation of the line passing through the origin and having a slope 4?
B. Y= 4x