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University of Texas at Austin

Oregon State University

00:55

Taylor S.

Using Models Use the model given to answer the questions about the object or process being modeled. The volume $V$ of a cylindrical can is modeled by the formula $$V=\pi r^{2} h$$ where $r$ is the radius and $h$ is the height of the can. Find the volume of a can with radius 3 in. and height 5 in.

01:56

Suppose gas costs $\$ 3.50$ a gallon. We make a model for the cost $C$ of buying $x$ gallons of gas by writing the formula $C=$ _________.

01:15

Jinseop S.

$3-12=$ Using Models Use the model given to answer the questions about the object or process being modeled. The sales tax $T$ in a certain county is modeled by the formula $T=0.06 x .$ Find the sales tax on an item whose price is $\$ 120 .$

00:57

Amy J.

The model $L=4 S$ gives the total number of legs that $S$ sheep have. Using this model, we find that 12 sheep have $L=$ __________ legs.

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Yeah, e equals I are. And in this equation we're going to solve for our now I notice in the equation. What's being done is I have e on the left side and on the right. I have the i times are now in this one. We are trying to isolate the are. So if we don't have to move it, we don't want to move it. We just want to kind of move stuff away from it. So since the I has been multiplied, times are we need to do the opposite. And in this case, the opposite means we're going to divide. Bye. I on both shots so that will cancel out on the right on the left. I'm gonna have e divided by I equals are or another way of writing that is our equals E divided by hi

Linear Equations and Functions

Linear Equations and Inequalities

Matrices and Determinants

Quadratic Equations

Applications of Trigonometric Functions

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