Answer:
B and C
Step-by-step explanation:
Like terms are terms with the same constellation of variables. The like terms in this product are (12x) and (-2x). The cells containing those are designated B and C.
At hockey practice, Coach Taylor always sets aside 20% of the total time for players to
2 answers:
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Answer:
D. 37.947
Step-by-step explanation:
Heron's formula makes use of the value "s", the semi-perimeter. Here, ...
s = (7 + 11 + 12)/2 = 15
Then the area is ...
A = √(s(s -a)(s -b)(s -c)) = √(15·3·4·8) = √1440 = 12√10 ≈ 37.947
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<em>Comment on answer choices</em>
This value is verified by a triangle solver. We suspect a typographical error in the answer choices, specifically, selection D.
Answer:
The constraints are
and
Step-by-step explanation:
Let
x ----> represent the number of male birds
y ----> represent the number of female birds
we know that
The flock needs to have exactly three times more females than males to thrive
so
----> equation A
The zoo only has room for a maximum of 20 male birds
so
----> inequality B
we know that
The maximum number of male birds is 20
For x=20
substitute in the equation A
so
The maximum number of female birds is 60
so
----> inequality C
therefore
The constraints are
and