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3 years ago

8

Lorena runs a landscape company. A customer wants her to plant 10 trees, but the trees have to be planted in rows with 4 trees i

n each row. What shape will the trees be planted in?

1 answer:

alekssr [168]3 years ago

5 0

There are several shapes that fulfill these requirements. All involve to parallel rows of 4, then the other two trees forming a perpendicular for (using a tree from each of the other two rows).
E.g.

X X X X
X X X X
X
X

X X X X
X
X
X X X X

X X X X
X
X X X X
X

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4 years ago

Solve the initial value problem y'=2 cos 2x/(3+2y),y(0)=−1 and determine where the solution attains its maximum value.

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$y=\frac{-3\pm\sqrt{4sin2x+1}}{2}$

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$y^2+3y=sin2x-2$

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By using quadratic formula

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

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When the solution is maximum then y'=0

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$2cos2x=0$

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$2x=\frac{\pi}{2}$

$x=\frac{\pi}{4}$

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3 years ago