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Oregon State University

02:33

Taylor S.

Using Models Use the model given to answer the questions about the object or process being modeled. The power $P$ measured in horsepower (hp) needed to drive a certain ship at a speed of $s$ knots is modeled by $$P=0.06 s^{3}$$ (a) Find the power needed to drive the ship at 12 knots. (b) At what speed will a 7.5 -hp engine drive the ship?

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.

01:11

Ruirui L.

Making Models : Write an algebraic formula that models the given quantity. 13. The number $N$ of cents in $q$ quarters

03:34

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?

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and period of period of why equals cosign times three The angle. Now here. Remember that in order to do this, we have to have our A and R b R A is usually we find with the Cosa we would find a co sign and be of our angle. Well, in this case, we don't have an A there, but just kind of like a like a coefficient with a variable that would be the same as one and B what equal three. So to find our amplitude, our amplitude is gonna be the absolute value of a. So in this case, that's gonna be the absolute value of one which is one on our period because we're talking about cosign that's going to be weaken. Do either, um, radiance are degrees. We're gonna do this within degrees. That's gonna be 360 degrees divided by the absolute value of B. So that would be 360. Divided by absolute value of three or 3 60 divided by three, which would be 100 in 20 degrees

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