11/10/21

At what speed between 50 and 70 mph will it be most economical to drive?
a truck achieves 600 / x mpg when driven at a constant speed of x mph (between 50 and 70 mph). If the price of fuel is $ 3 per gallon and the driver is paid $ 18 / h. At what speed between 50 and... more
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11/10/21

Annette has been given a $300 gift card to Express as part of a college graduation present.
when Annette entered the store, she saw a sign for "$24 sweaters" and "$30 pants". She wants to update her winter clothes so she is looking to spend ALL $300 on this shopping trip.Let x represent... more
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11/10/21

Let 𝑣⃗ be the vector from initial point 𝑃 to terminal point 𝑄. 𝑃(2,3) and 𝑄(βˆ’5,1)

Let 𝑣⃗ be the vector from initial point 𝑃 to terminal point 𝑄. 𝑃(2,3) and 𝑄(βˆ’5,1) a) Write 𝑣⃗ in terms of 𝑖⃗ and 𝑗⃗.b) Find the unit vector that has the same direction as vector 𝑣⃗.Hello! I... more
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