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TSI Mathematics Videos 144 videos

TSI Math: Understanding Points of Intersection
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Two parabolas are graphed in the coordinate plane. Parabola A is a function, and parabola B is not a function. What is the maximum number of points...

TSI Math: Solving a Quadratic Equation for x
5 Views

What is x for the equation 2x² + 36 = -18x?

TSI Math: Finding a Line's x-Intercept Given a Point on that Line
4 Views

Which of the following points is a location where the function f(x) = -2x² + 12x + 54 crosses the horizontal axis?

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TSI Math: Calculating the Volume of a Cardboard Box 6 Views


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Description:

A cardboard box measures 12 inches wide, 8 inches across, and 6 inches tall. What is its volume in cubic feet?


Transcript

00:03

Okay sy mash bumpers were all that measurement in this

00:06

section and linear area and three d okay cardboard box

00:10

measures twelve inches wide eight inches across and six inches

00:13

tall What is its volume in cubic feet See they

00:18

give you the inches and then they ask you the

00:20

feet They're real tricksters here Well that's the big trap

00:24

the length of the sides and inches wanting them then

00:27

in cubic feet which is a little bit complicated here

00:30

So we have two choices First convert all the inches

00:33

defeat or find the volume in cubic inches and then

00:37

convert that back the cubic feet All right we'll go

00:39

with the former We're going to convert all the inches

00:41

two feet first Well in california and in texas There

00:45

twelve inches in a foot So the width of the

00:47

box in feet is one that's really helpful with length

00:51

is eight Twelves are two thirds and the height is

00:54

well six twelves or one half right half a foot

00:57

Multiply these suckers together Find the volume while we got

01:00

one time to third time's a half And that gets

01:02

us that so in two news oh that's Ah third

01:06

The volume of the box is one third of a

01:09

cubic foot That's it The answer is they were shmoop

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