Answer:
1st= 47/7 or 6.71
2nd= 48/7 or 6.857
Step-by-step explanation:
1st number =X and 2nd number = Y
According to question, X+7=2Y
20+Y=4X
X=2Y-7 (from 1st condition)
putting in it second
20+Y=4(2Y-7)
20+Y=8Y-28
20+28=8Y-Y
48=7Y
Y=48/7
so X=2(48/7)-7
=96-49/7
47/7
Factor it by five and this your answer
5(6a^5+5b^3)
Answer: around 0.0064
i rounded it to the nearest hundred thousandth because the number will keep going on forever.
Answer:
b^2+2*a*b+a^2
Step-by-step explanation:
Answer:
77°
Step-by-step explanation:
there's a rule, look it up