Manipulating an expression and solving equation

Reference no: EM13118883

How does solving an equation differ from manipulating an expression? How are they alike?

Very few situations in the real world fit a linear pattern or even a non-linear pattern perfectly. How can we tell if the algebraic model we are using fits the situation "good enough?"

Reference no: EM13118883

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Calculate the concentrations of fe3+ : At a certain temperature, K = 9.1 10-4 for the following reaction. FeSCN2+(aq) Fe3+(aq) + SCN -(aq)

Find volume per month in order to break even : Fixed costs of $9,200 per month and variable costs of 70 cents per unit produced. Each item is sold to retailers at a price that averages 90 cents.

Using present worth on incremental investment : For an interest rate of 12% and a lifetime of 10 years, which proposal should be selected and calculate your answer in three ways

Find out the time taken by the projectile to hit point : A projectile is shot from the edge of a cliff 140 m above ground level with an initial speed of 100 m/s at an angle of 37 degrees with the horizontal. Find out the time taken by the projectile to hit point at ground level.

Manipulating an expression and solving equation : Very few situations in the real world fit a linear pattern or even a non-linear pattern perfectly. How can we tell if the algebraic model we are using fits the situation "good enough?"

Exchange between atmospheric and plant pools : Briefly discuss how global warming might affect carbon cycles in a polar and a temperate biome, especially with regard to exchange between atmospheric and plant pools, and sources and sinks.

How many moles of water can be produced : 2C4H10 + 13O2 → 8CO2 + 10H2O The equation shows the combustion of butane (C4H10). How many moles of water can be produced by 12.5 moles of C4H10 with excess oxygen.

Explain how long will it take the camel to cross the desert : The camel walks at the uniform speed 4.53 km/hr along a straight line in the direction 39.7? north of East (only the camel knows why he chose that particular direction). Explain how long will it take the camel to cross the desert?

Estimate the product of two factors : Estimate the product of two factors. A student rounded one factor down and left the other factor unchanged. Was the estimate greater or less than the exact product?

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