08/29/21

#### Differential Equations Help

Suppose that y(t) solves the ordinary differential equationdy/dt = (t*y^-.5)/3 y(0)=1. Find y(1)I tried solving using separable equations but am having a hard time.

05/14/14

#### linear programming

An undergraduate is determining her course schedule for the fall semester. She is considering five courses, which are shown in the following table. Also included are the number of hours she expects...
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11/18/13

#### When you solve a system of equations by either the substitution or the elimination (addition) method, how do you determine whether the system of equati.....

When you solve a system of equations by either the substitution or the elimination (addition) method, how do you determine whether the system of equations is independent, dependent, or inconsistent?

11/18/13

#### using rational root theorem to list possible rational roots for x³ + x² - 3x - 6

Using the rational root theorem to list the possible rational roots for the polynomial equation

11/10/13

#### Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 8.30 MJ of energy (in the form of heat)

Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 8.30 MJ of energy (in the form of heat) if the temperature of the sodium is...
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10/28/13

#### Find a combination?

Find a combination x1w1+x2w2+x3w3 that gives the zero vector: w1=[1, 2, 3], w2=[4, 5, 6], w3=[7, 8, 9].
The answer is (1/2)w1-w2+(1/2)w3.

03/04/13

#### U have 116' of fencing to enclose a rectangular plot by a river. If u dont fence the side by the river, find the l and w of the lot that maximize the area.

a) 29 x 29
b) 58 x 29
c) 87 x 29
d) 58 x 58

02/28/13

#### At 1 atm, how much energy is required to heat 49.0 g of H2O(s) at –10.0 °C to H2O(g) at 129.0 °C?

I keep getting the worng answer

02/25/13

#### How to solve this maths problem, X^4-3X^3+4X^2-8

I need factors for that maths problem.Thank you very much for the support

01/08/13

#### One positive and one negative creates this?

a math question asks one positive and one negative creates this? (two words)

01/07/13

#### What does one positve and one negative create

I have a crossword puzzle to solve on math terms. The clue was "one positive and one negative create"-2 words with 8 letters and e is the second letter and r is the last letter.

01/06/13

#### How do I create a probability model for this question?

a carnival game offers a $100 cash prize for anyone who can break a balloon by throwing a dart at it. It costs $5 to play and you're willing to spend up to $20 trying to win. You estimate that you...
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01/02/13

#### If I synthetically divide a function by all the real zeros, and am left with 1, is that an x value of 1?

I am supposed to find all the zeros of a polynomial function

#### the area bounded by x=1 and y=0 and the curve y=x.e^x^2 is

the answer is e/2 please confirm give solution

#### 3q^2+9q+6/9q^2-36q-45

simplify be removing factors of 1

11/27/12

#### e^x-4 [-1,3]

I am trying to find the area between the x axis and f(x) using the definite integral

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