The answer is 5.
You just plug whatever number is in the f(?) part in for x!
Answer:
Marta need to score at least 94 to receive an average of 90 or higher considering all five tests.
Explanation:
Marks received by Marta in four tests = 86, 84, 97 and 89
Let mark received in fifth test be x
We have average of five test is more than or equal to 90
So we have

So Marta need to score at least 94 to receive an average of 90 or higher considering all five tests.
Answer:
y=620 lemme know if this helped by pressing thanks :)
Step-by-step explanation:
Assuming we want to factor the formula to (x+3)(x+3), you want to have a +9 where there is a -4 now. So you must add 13.
Answer:
Standard Form: 47.9
Scientific Notation Form: 4.79 x 10
Step-by-step explanation:
1.2 x 106 = 127.2
1.7 x 103 = 175.1
175.1 - 127.2 = 47.9
47.9 = 4.79 x 10