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Johns Hopkins University
Oregon State University
University of Michigan - Ann Arbor
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Kelli P.
Making Models : Write an algebraic formula that models the given quantity. 15. The cost $C$ of purchasing $x$ gallons of gas at $\$ 3.50$ a gallon
Kyle I.
Using Models Use the model given to answer the questions about the object or process being modeled. The distance $d$ (in mi) driven by a car traveling at a speed of $v$ miles per hour for $t$ hours is given by $$d=v t$$ If the car is driven at 70 milh for 3.5 $\mathrm{h}$ , how far has it traveled?
06:25
Daniel P.
Using Models Use the model given to answer the questions about the object or process being modeled. The portion of a floating iceberg that is below the water sur- face is much larger than the portion above the surface. The total volume $V$ of an iceberg is modeled by $$V=9.5 S$$ where $S$ is the volume showing above the surface. (a) Find the total volume of an iceberg if the volume show- ing above the surface is 4 $\mathrm{km}^{3}$ . (b) Find the volume showing above the surface for an ice- berg with total volume 19 $\mathrm{km}^{3}$ .
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value inequality, absolute value of N Plus two is greater than or equal to five. Now, before we begin solving this inequality, we need to go ahead and simplify. And we need the absolute value of Ian by itself. So we need to go ahead and we need to subtract two from both sides. So now we have the absolute value of N is greater than or equal to five. Minus two is three. So this is what we're going to work twice. So the first time we work it we're gonna house in is greater than or equal to three. And then the second time we have it, work it we're gonna have in is less than or equal to negative three. Now, this is an example of one we really don't have toe work out. We just have to find are two solutions. Now we need to decide. Is this an and statement or an or statement someone drama number line? And I'm just gonna put by three on both of them because I know what my two numbers I need are, so let's start within is greater than or equal to three. It's gonna be a close thought, and it's gonna be going to the left. The N is less than or equal to negative. Three. Closed dot Going to I'm sorry. Going to the left on this one. Going to the right on the positive three because the two arrows air one in the opposite direction. This is an or statement.
Linear Equations and Functions
Linear Equations and Inequalities
Matrices and Determinants
Quadratic Equations
Applications of Trigonometric Functions
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