Answer:
2/21
Step-by-step explanation:
you square 4/7 to get 16/49 then use keep change flip
you now have 16/49 times 7/24 then multiply
The numerical expression that represents the total number is parentheses 15 divided by 3 plus parentheses 30 divided by 5
Answer:
You need more information. But typically multiplly by 100 so .1 would be 10 %
Step-by-step explanation:
Jamal's score is 80
<u>Explanation:</u>
Given:
Number of questions = 100
Let w be the number of wrong answers
Let r be the number of right answers
According to question,
r = 4w
r + w = 100
Solving both the equations we get:
4w + w = 100
5w = 100
w = 20
If w = 20 then r = 4 X 20 = 80
Therefore, Jamal's score is 80
Off the top of my head i can tell that B) 3 and A) -1 are two possible roots, you can plug it into a calculator and situate put if there is more
