What is the sum of 9+10 (;
1 answer:
Answer:
19 or 21.
Step-by-step explanation:
I swear.
5 + 5 = 10
10 + 5 = 15
15 + 4 = 19
________________
9 + 9 = 18
18 + 10 = 28
28 - 5 = 23
There are two nines so
23 - 2 = 21
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(9.is 12 and 2)cghcjgcmhgcghccgckghc
Answer:
Step-by-step explanation:
–(x^2–2x+12) would become –x^2+2x–12.
3x^2+9x+13 – x^2+2x–12
= 2x^2 + 11x – 1
Just multiply the shoes and socks together
so your answer is 40
Answer:
45 hours
Step-by-step explanation:
1 mile * <u>1609 meters </u> * <u> 1 s </u> = 160900 sec
1 mile .01 meters
160900 sec / 60 /60 = 44.7 = 45 hours
