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koban [17]
2 years ago
5

What is the function of the tentacles of a cnidarian?

Mathematics
1 answer:
Nookie1986 [14]2 years ago
4 0

Answer:

to stun prey

to send stinging impulses to hurt predators

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If x2 + y2 = 14 and xy = 5, find the value of (1/2 x + 1/2 y)2.
aleksley [76]

Answer:

(½x+½y)²=6

Step-by-step explanation:

x^2 + y^2 = 14, xy=5

(A+B)^2=A^2 +2AB+B^2... (*)

(1/2x+1/2y)^2 =(*)

(1/2x)^2 +2(1/2x)(1/2y)+(1/2y)^2 =

1/4x^2 +1/2xy+1/4y^2=

1/4(x^2 +y^2) +1/2(xy)=

1/4*14+1/2*5=

14/4+5/2=

14/4+10/4=

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5 0
3 years ago
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Answer:

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Convert the following equation into standard form.
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