FOR THE FIRST PROBLEM:
Differentiating p^2 + 2q^2 = 1100 with respect to time => 2p(dp/dt) + 4q(dq/dt) = 0
<span>dp/dt = -2q/p(dq/dt) </span>
<span>R = pq </span>
<span>dR/dt = p(dq/dt) + q(dp/dt) = -p²/2q(dp/dt) + q(dp/dt) = (2q² - 1100)/2q * (dp/dt) + q(dp/dt) </span>
<span>A = (2q - 550/q)
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Answer:
Step-by-step explanation:
=8x(cube)- 27 ÷ 4x(square) + 6x + 9
= 2x (3-2) + 6x - 3
= 2x + 6x - 3
= 6x(square) -3
Answer:
117 square yards.
Step-by-step explanation:
Given:
Length of garden = 234 yards
Breadth of garden = 1 yard
She grows roses 1/2 of her garden.
Question asked:
How many square yards are Gini's garden has roses ?
Solution:
First of all we will find area of rectangular garden.


Then, as here given half of garden, she grows roses, we will find half of the
rectangular garden.

Therefore, 117 square yards of her garden has roses.