Answer: 385
Step-by-step explanation:
Mean the three groups of 10 kids=35
Total weight of 3 groups (10x35)=350
Mean weight of 3 groups and one boy ( 35 + 350)=385
Answer:
1000
Step-by-step explanation:
group the 1st 2 terms and last 2 terms:
(Z63 -2z^2) + (9z-18)
factor out GCF:
z^2(z-2) + 9(z-2)
now factor the polynomial:
(z-2) (z^2+9)
D. , this is a good way because this way you can easily multiply and then you'll see your answer right in front of you.
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ANSWER
The required angle is
EXPLANATION
Let the angle whose sine is
be
Then
We take the inverse sign of both sides to obtain,
We use our scientific calculator to evaluate and obtain,