Answer:
7. 32
8. 68
9. 16
10. 29
Step-by-step explanation:
7. =90°-58
=32
8. =68°
9. = (1 + 5x)°
= (1 + 5(16)°
=81
10. = (2x + 3)°
= (2(29) + 3)°
= 61°
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:
16 members
Step-by-step explanation:
100 - 84 = 16 members
Answer:
Step-by-step explanation:
is C
40-12