08/25/13

#### Factor completely X^2-5x-24

1.)  X^2-5x-24 2.)  3x^3-5x^2+2x 3.)  6ax-8ay+9bx-12by

08/25/13

#### If function takes a given number, doubles it, and then subtracts 10, what is the result if function operate on3?

A) what the domain and range of the function y=x^2?  Domain?  Range? B) If function takes a given number, doubles it, and then subtracts 10, what is the result if function operate on3? C) is the... more

08/25/13

s=ut+1/2 at^2 -5

08/24/13

#### Jo invested \$63,000. A portion earning a simple interest rate of 5% per year and the rest earning a rate of 7% per year. After one year the total interest

earned on these investments was 3890 dollars. How much money did he invest at each rate?

08/24/13

IM SO CONFUSED

08/24/13

#### Find the inverse Laplace transform?

Y(s)=α/((s^2+2s+2)(s^2+α^2))

08/24/13

#### Y^6 X^3 / y^5 X^4

Divide Y^6 X^3 / y^5 X^4

08/24/13

#### 4y^ - 8y^4 / 2y^3

Divide 4y^ - 8y^4 / 2y^3

08/24/13

#### ( v – 4 ) ( v + 8 )

multiply ( v – 4 ) ( v + 8 )

08/24/13

#### Math question

What is 27 + 7/-4, please show work.

08/23/13

#### Express the solution?

Express the solution of y"+ω^2*y=g(t); y(0)=0, y'(0)=1 in terms of a convolution integral. Answer: y=(1/ω)sin(ωt)+(1/ω)∫ sin ω (t-torque) g(torque) d(torque) from 0 to t.

08/23/13

#### If I have 18 red pens. What's the ratio of red to blue if I have 3:5?

I have 18 red pens . If the ratio of red to blue pens is 3 to 5; how many do I have?

08/23/13

#### How many students created each item

Each student in cooking class of 50 students is assigned to create a desert, an appetizer, or both. The total number of students creating an appetizer is 7 more than the number of students creating... more

08/23/13

#### 3+4 /2 -7 Add enough parentheses to the order is:+,-,/

Convert the first expression so the order of the operations is +,-,/.  Show the reasoning behind it.

08/23/13

#### Equations Word Problem

The formula can be used to estimate the speed of a car, v, in miles per hour, based on the length, L, in feet, of its skid marks upon sudden braking on a dry asphalt road. If a car is involved in... more

08/23/13

#### Divide Equations

Divide -20^6-24x^4-12x^2/-4x^4

08/23/13

#### Equation Word Problem

A twin-engined aircraft can fly 1216 miles from city A to city B in 4 hours with the wind and make the return trip in 8 hours against the wind. What is the speed of the wind?

08/23/13

#### What is a good first step when factoring a trinomial with a negative leading coefficient?

Can I please see an example of this? Also how do you factor -3x^2 +10x -3?

08/23/13

#### How does the sign of the third term in the trinomial ax²+bx+c affects the factor.

How does the sign of the third term relate to the sign of the second term whenfactoring? Please show me an example.

08/23/13

#### Divide Equations

Divide -20^6-24x^4-12x^2/-4x^4

08/23/13

#### Given the geometric progression 625,125,25 find the sixth term and the sum of the 15 terms. How would i do this?

I am not understanding how to perform this operation... i know the formula is an=an-1+an-2

08/23/13

#### Why in that problem are there 11 numbers represented but only 10 counted?

Mean Example Problems Example 1 Find the mean of the set of numbers below Solution The first step is to count how many numbers there are in the set, which we shall call n The next step is to... more

08/22/13

#### how do u round 487 to the nearest one hundred

I need to know the concept

08/22/13

#### Find the inverse Laplace transform?

Find the inverse Laplace transform of F(s)=G(s)/(s^2+1) by using the convolution theorem.

08/22/13

#### -25=r/3-11

What is the answer and how to work the problem

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