Answer:
We can use quadratic formula
a=3, b= -1, c=4
Step-by-step explanation:
15.
6 pachages
each pcage has 30
6*30=180 total
17 left over
how many used
used=total-left over
used=180-17
used=163
16. xy is 2 digit number
multiplules of 10 (whole multipules) always end with 0 so y=0
and has 3 as one of its factors
factors of 3 is 3,6,9,12
30,60,90 is answer
17.
30 in 9 parks
30 times 9
30=10 times 3
3*10*9
group the 3 and 9
10*(3*9)
3*9=27
10*(27)
270
15. 163
16. 30,60,90
17. see above, 270
Answer:
4-3=1
8+9=17
7 x 2= 14
Step-by-step explanation:
Answer:
-2, -1 , 0 , and 1
Step-by-step explanation:
Answer:
2,3,6
Step-by-step explanation:
those are the only positive factors in there
