3 years ago

1 Eddie drew the model below to represent an equation.

Mathematics

1 answer:

Paladinen [302]3 years ago

5 0

The answer is D. Not here

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Bella has 6.3 kilograms of berries.she packs 0.35 kilogram of berries into each container.she then sells each container for 2.99

yKpoI14uk [10]

6.3 / 0.35 = 18
18 x 2.99 = $53.82

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Slope = -1/3 passing through (4,-9) <br> Point- slope form and slope-intercept form

AleksandrR [38]

Answer:

-9=-1/3-13 is it in slope intercept form, look up ones to put it in different forms

Step-by-step explanation:

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Which of the following is a biconditional statement?

MakcuM [25]

I think it’s A but I’m not sure but keep trying

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3 years ago

there are 1.5 mg of iron in 8 ounces of apple juice. how many ounces would contain 100% of the RDA for iron if 18mg are recommen

love history [14]

First step, divide the total amount recommended by the amount in the juice:
18 / 1.5 = 12
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3 years ago

Use Laplace transform methods to solve the differential equation: The initial conditions are f(0) = 0 and <img src="https://tex.

Llana [10]

Answer:

Step-by-step explanation:

$\frac{d^2 y}{dt^2} +12\frac{dy}{dt} +32y = 10e^{-2t}$ where f(x) is replaced by y

Take Laplace on both sides

$s^2 Y -s(0)-0 +12s Y-0+32Y = \frac{10}{s+2} \\Y(s^2+12s+32) = \frac{10}{s+2}\\Y = \frac{10}{(s+2)(s+4)(s+8)}$

We can resolve into partial fraction to get Y = L(y)

Let this equals

$\frac{A}{s+2} +\frac{B}{s+4} +\frac{C}{s+8} \\10 = A(s+4)(s+8) + B(s+2)(s+8) +Cs+4)(s+2) \\$

Solving we get

s=-9

24C = 10 or C =5/12

s=-2: A=10/12=5/6

s=-4: B = -5/4

Taking inverse Laplace

$y(t) = \frac{-5e^{-4t} }{4} + \frac{5e^{-8t} }{12} +\frac{-5e^{-2t} }{6}$

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3 years ago