Answer:
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Answer:84.82 volume nearest tenth is = 84.8
Step-by-step explanation: Find the number in the tenth place
88 and look one place to the right for the rounding digit
22. Round up if this number is greater than or equal to
5 5 and round down if it is less than
5.5
<span>it is an implicit function, (for high school students)
1) d(4x2+y2)/dx=d(48+2xy)/dx, after the differentiation, we obtain
8x + 2y .dy/dx = 2y + 2x .dy/dx
</span>8x - 2y = 2x .dy/dx - 2y .dy/dx, 4x - y = (x .- y ).dy/dx, and then
dy/dx = y-4x / y - x
2) when x cordinate is 2
we have 4(2^2) + y^2 = 48 + 2 . 2 y, and the y^2 - 4y - 32=0, after solving the quadratic equation we find y = - 8, or y = 4, this the positive y coordinate, the answer is y = 4
3) Let be P (xp, yp) the point, since P is the point at which the line tangent to the curve at P is horizontal, so we can write 4xp2+yp2=48+2xpyp, but xp=2, we have yp^2 - 4yp - 32=0, so P(2, 4)
According to bodmas, we do the brackets first so four times three is 12
And 18 divided by six is 3
So now we have 12+3 which is 15
So the value of the expression is 15
Answer:
158
Step-by-step explanation: