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Passport to Advanced Math Videos 52 videos

Multiplying Polynomials to Find an Unknown Constant
3 Views

In the equation above, if a, b, and c are all constants, what is c?

Recognizing Polynomial Factors
5 Views

When x = 12, a certain polynomial, y, equals 0. Which of the following must be true about the polynomial y?

SAT Math 1.5 Algebra and Functions
218 Views

SAT Math 1.5 Algebra and Functions. If f (x) = x2 - 16 and g(x) = x4 - 256, what is f of x divided by g of x?

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SAT Math 5.3 Numbers and Operations 201 Views


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Description:

SAT Math 5.3 Numbers and Operations

Language:
English Language

Transcript

00:02

Here’s your shmoop du jour, brought to you by MySpace.

00:06

Now on display at the National Museum of American History.

00:10

200 people were surveyed:

00:12

115 people had Facebook profiles, 86 people had MySpace pages, and 43 had both.

00:19

How many people had neither account?

00:24

Okay, so we want to know how many people think social networking is for the birds.

00:29

First, we’ll add 115 and 86 to give us the total number of accounts. That gives us 201.

00:35

Next, to avoid double counting, we’ll subtract the number of people who have accounts on

00:40

both social networking sites.

00:42

Now, we subtract 158 from the total number of people surveyed to arrive at 42 people.

00:48

It doesn't surprise us as much that 42 people don't have social media profiles.

00:52

We’re more flabbergasted by the fact that there are 86 crazy people still who have MySpace accounts.

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