30 POINTS A student answered the question, 3 1/2 ÷ 5 4/9. He got the answer 15 9/8. What did he do wrong.
1 answer:
Answer:
He multiplied the whole numbers and divided the fractions
Step-by-step explanation:
3 1/2 ÷ 5 4/9
change the mixed numbers to improper fractions
3 1/2 = (2*3 +1)/2 =7/2
5 4/9 = (9*5+4)/9 =49/9
7/2 ÷ 49/9
copy dot flip
7/2 * 9/49
rewrite
7/49 * 9/2
1/7 * 9/2
9/14
You might be interested in
Answer: x = 4
Step-by-step explanation:
Answer:
(7, 0).
Step-by-step explanation:
Where the diagonal lines overlap to form squares is where the solutions to the inequality lies.
The point (7, 0) lies in that region.
Just divide both sides by 2 because you want to do the opposite operation, to isolate x so if you do you get 80 so x = 80
5 because the highest power= degree of the function
Answer:
Maximum $11.28
Step-by-step explanation:
Let remaining money be x
- 13.72 + x ≤ 25
- x ≤ 25 - 13.72
- x ≤ 11.28
He can spend maximum of $11.28 in September
