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:
$598
Step-by-step explanation:
2 x 299 = 598 so Apple is charging $598 for the new phone.
You will get the same answers but with more zeros. For example 7x20 is 140, and 7x2000 is 14,000 but with more zero's
Answer:
15 degrees
X is an Acute Angle
Step-by-step explanation:
x+ 75 = 90
x =15
Answer:
Woah im sorry buh it luks complicated ill try nd wk on it to help u out
There are 4 cups in a quart and 60 seconds in a minute. So 4/120 cups per second or 1/30 cups per second.
