the anwser is D pretty sure
Answer: 11/15
Step-by-step explanation: got it right on khan academy.
Step-by-step explanation:
f(x) = x^2
g(x)= 1/3 f(x) = 1/3 x^2
First lets make a table for f(x)= x^2
Lets pick some numbers for x and find out y
x y=x^2
-3 (-3)^2 = 9
-1 1
0 0
1 1
3 9
Now we use the same x values and make a table for g(x)
x
-3
-1
0 0
1
3
Graph the above table
Using the formula a² + b² = c² but reversing it to c² - b² = x² where x replaces the a for comprehension reasons
so this is the formula
c² - b² = x²
insert the numbers on the triangle in the picture
21² - 8² = 377
since 377 is squared and not the side length, we need to square root it to find x
√377 = 19.4~
Answer: x = 19.4
Answer:
Option B
Step-by-step explanation:
Total Probability = 1
Probability of passing = 0.77
Probability of failing = 1-0.77
=> 0.23