Answer: 6/14 and 42/99
Step-by-step explanation:
Answer:
D) -20/-5 because a negative divided by a negative is a positive.
Step-by-step explanation:
Answer:
I know im late but the answer is 275 I just took the test on k-12
Step-by-step explanation:
The first one is 75% i think I dont know if thats the answer though hold on and I'll get you the others
.1 Simplify: 5n(2n3+n2+8)+n(4-n).
Solution:
5n(2n3+n2+8)+n(4-n).
= 5n × 2n3 + 5n × n2 + 5n × 8 + n × 4 - n × n.
= 10n4 + 5n3 + 40n + 4n – n2.
= 10n4 + 5n3 + 44n – n2.
= 10n4 + 5n3 – n2 + 44n.
Answer: 10n4 + 5n3 – n2 + 44n