subject
Mathematics, 10.10.2019 19:00 cavejr87

10 cards are numbered from 1 to 10 and placed in a box. one card is selected at random and is not replaced. another card is then randomly selected. what is the probability of selecting two prime numbers?

a) 2/15
b) 4/18
c) 7/90
d) 1/10

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 14:40
What is the solution to the equation 9^(x+1) =27
Answers: 2
question
Mathematics, 21.06.2019 15:00
Δabc is reflected across line l to form δ alblcl, and a¯¯¯al¯¯¯¯ intersects line l at point d. which equation is not necessarily true?
Answers: 1
question
Mathematics, 21.06.2019 16:50
Proceed as in example 3 in section 6.1 to rewrite the given expression using a single power series whose general term involves xk. ∞ n(n − 1)cnxn − 2 n = 2 − 4 ∞ ncnxn n = 1 + ∞ cnxn n = 0
Answers: 1
question
Mathematics, 21.06.2019 17:30
Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3
Answers: 2
You know the right answer?
10 cards are numbered from 1 to 10 and placed in a box. one card is selected at random and is not re...
Questions
question
English, 04.02.2020 04:51
question
Social Studies, 04.02.2020 04:51
question
Mathematics, 04.02.2020 04:51