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3 years ago

12

Pls help me asap :((

1 answer:

cluponka [151]3 years ago

7 0

Answer:

last one is correct

Step-by-step explanation:

kkk

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Jocelyn sells necklaces for $8 each. It costs her $20 for

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An evergreen nursery usually sells a certain shrub after 5 years of growth and shaping. The growth rate during those 5 years is

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Answer:

$h(t) = 0.75t^2 + 4t + 12$

Step-by-step explanation:

The equation given calculates the derivative of the height in relation to the time, that is, the rate of change of the height. To find the equation for the height, we need to integrate this equation:

$dh/dt = 1.5t + 4$

Multiplying both sides by 'dt', we have:

$dh = (1.5t + 4)dt$

Using the integral in both sides:

$\int dh = \int (1.5t + 4) dt$

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$h = 0.75t^2 + 4t + 12$

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$h(t) = 0.75t^2 + 4t + 12$

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3 years ago

Ralph owns a circular farm as shown. He is planning to fence a triangular pigpen ABC in the farm. Point M is the midpoint of the

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Answer:

$Total = \$942$

Step-by-step explanation:

Given

$A = (0,0)$

$C = (3,4)$

See attachment for farm

Required

The cost of fencing the farm

First, calculate the radius of the farm.

The radius is represented with AC.

So, we have:

$AC = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}$ ---- distance formula

So, we have:

$AC = \sqrt{(0 - 3)^2 + (0 - 4)^2}$

$AC = \sqrt{(- 3)^2 + ( - 4)^2}$

$AC = \sqrt{9+16}$

$AC = \sqrt{25}$

$AC = 5$

Hence:

$r = 5$ --- radius

Calculate the circumference of the circle

$C = 2\pi r$

$C = 2 * 3.14 * 5$

$C = 31.4yd$

If 1 yard costs $30, 31.4 yards will cost:

$Total = 31.4 * 30$

$Total = \$942$

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Answer:

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........

.......

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