10/12/12

#### solving equations with variables 1/3x + 2/3 = 5/3x

solving equations with variables 1/3x + 2/3 = 5/3x

10/12/12

#### Portion formula

Jay Miller sold his ski house at Attitash Mountain in New Hampshire for $298,000. This sale represented a loss of 18% off the original price. What was the original price Jay paid for the ski house?...
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10/12/12

#### decrease to increase but has to round to nearest tenth percent

Saab Corporation raised the base price of its popular 900 series by $1,090 to $34,000. What was the percent increase? (Round to the nearest tenth percent. Omit the "%" sign in your response.)

10/11/12

#### How do you do equations with paraenthesis?

-18-6k =6(1+3k)
How is an equation like that done?

10/11/12

#### increase and descrease

Staples pays George Nagovsky an annual salary of $40,000. Today, George’s boss informs him that he will receive a $4,300 raise. What percent of George’s old salary is the $4,300 raise? (Round to...
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10/11/12

#### how do i go about solving a trig identity; that simplify s 1-sin^2 theta/1-cos theta

i know that sin^2 theta=1-cos^2 theta, but how do i express 1-cos theta, how do i simplify

10/11/12

#### what two numbers form 8 as the greatest common factor

on my sheet it says what set of numbers form 8 as the greatest common factor

10/11/12

#### Write an expression to model the following situation: Lisa and Tom are baking cookies for the annual bake sale. Lisa has baked 66 cookies, and Tom has baked 126

Algerbra 1. I in the 9th Grade and I AmHaving Somtrouble With These Kind Of Questions. Operations With Real Numbers.

10/11/12

#### frequency and kinetic energy.

A) The minimum frequency of light needed to eject electrons from a metal is called the threshold frequency, ν0. Find the minimum energy needed to eject electrons from a metal with a threshold...
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10/11/12

#### At 1 atm, how much energy is required to heat 83.0 g of H2O(s) at –18.0 °C to H2O(g) at 169.0 °C?

At 1 atm, how much energy is required to heat 83.0 g of H2O(s) at –18.0 °C to H2O(g) at 169.0 °C?
Where do I begin?

10/11/12

#### Specific Heat

Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 4.00 MJ of energy (in the form of heat) if the temperature of the sodium is...
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10/10/12

#### How many photons are produced?

How many photons are produced in a laser pulse of 0.528 J at 679 nm?

10/10/12

#### how do you solve the inequality (x+1)/(2-x)>2

as of right now i have the equation set equal to zero. but i am stuck and i am not sure how to continue on.
this is what i have:
((x+1)/(2-x))-2=0

10/10/12

#### i need your help

Hi can you help me with this math problem? It is 2p=kx-q and we are solving for x

10/10/12

#### What is the distributive property, and how do I apply it to my equations?

I'm in an Algbra 1 class and got a graded homework assignment on the distributive property. What is it, exactly? And how do I apply it? Example of a problem: 15w+(-w)+5

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