Answer:
19/20
Step-by-step explanation:
7/10+1/4
=14/20+5/20
=19/20
Answer:
P(black) = 2/3
Step-by-step explanation:
We need to find the total number of marbles
2 red marbles+ 3 white marbles+ 10 black marbles = 15 marbles
To find the probability that Sam chose a black marble, we take the number of black marbles and divide by the total number of marbles
P(black) = black marbles/total marbles
= 10/15
Divide the top and bottom by 5
= 2/3
Put the value of x = -1 to the equation of a function f(x):
B. Every third student entering the school in the morning
Answer:
A
Step-by-step explanation:
because 3-8= -5
and -2-3=-5
