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Mathematics 17 Online
OpenStudy (anonymous):

@sammixboo

OpenStudy (anonymous):

Corinne is 6 years younger than her brother. Which of the following expressions shows the sum of their ages if b represents Corinne's brother's age?

OpenStudy (anonymous):

A. b-6 B. 2b-6 C.2(b-6) D. b divided by 6

sammixboo (sammixboo):

Corinne's Age = b - 6 Corrine's Brother's Age = b We have to add these together, so we have (b - 6) + b. Do you know how to simplify this?

OpenStudy (anonymous):

let me see

OpenStudy (anonymous):

2b - 6 correct?

sammixboo (sammixboo):

Take a look at this and see if it makes things easier. Since Corinne's Brother's age is (b), and Corinne's age is (b - 6), we can add the 2 (b)'s together and then subtract 6

sammixboo (sammixboo):

Yup!

OpenStudy (anonymous):

my answer is 2b-6?

sammixboo (sammixboo):

Right :)

OpenStudy (anonymous):

weird.... I post my comment and the comment that just got posted stays in the comment box

OpenStudy (anonymous):

thanks so much sammi

OpenStudy (anonymous):

can you help with another?

sammixboo (sammixboo):

Let's say b = 19 (b - 6) + b (19 - 6) + 19 13 + 19 32 2b - 6 2*19 - 6 38 - 6 32

sammixboo (sammixboo):

Sure :)

OpenStudy (anonymous):

Select the choice that translates the following verbal phrase correctly to algebra: y less than 21 A. y - 21 B. 21 - y C. y < 21 D. y divided by 21

sammixboo (sammixboo):

What do you think, first of all?

sammixboo (sammixboo):

Read it outloud, then read the other choices outloud :) that may help

OpenStudy (anonymous):

Im so stupid /.\

sammixboo (sammixboo):

Haha, it's fine x3

OpenStudy (anonymous):

it's A right?

sammixboo (sammixboo):

It happens

sammixboo (sammixboo):

Yep

OpenStudy (anonymous):

Question how would you translate this one? one third of a number increased by 12

OpenStudy (anonymous):

I know 1/3n + 12 or 1/3(n+12)

sammixboo (sammixboo):

Confusing one, but I think the 2nd one. The first one would be one-third of a number plus twlve

sammixboo (sammixboo):

<3 No problem

OpenStudy (anonymous):

u don't know what i said do u? XD

sammixboo (sammixboo):

Nope e-e

OpenStudy (anonymous):

~deletes before u translate~

OpenStudy (anonymous):

>:D

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