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Mathematics 8 Online
OpenStudy (anonymous):

Which expression has 2 terms? 10 (5a)(4b) 5g-7h 3a

OpenStudy (anonymous):

@Compassionate

OpenStudy (compassionate):

Terms are separated by addition or subtraction, not multiplication thus, C.

OpenStudy (anonymous):

Which of these means the same thing as six y? sixty plus y six times y six plus y six divided by y

OpenStudy (anonymous):

Which of these means the same thing as six y? 60+y 6*y 6+y 6/y

OpenStudy (compassionate):

Let me elaborate, hun. Lets go back to the original. Do you know the reason A, B, and D were not terms?

OpenStudy (anonymous):

no i dont undersdtand math!

OpenStudy (compassionate):

The first one was obvious - so I gave you the answer, but I want you to rely to me, and explain yourself, that you are confident in the material and understand what a term is. y * y is not two terms (y)(y) is not two terms. y/y is not two terms y + y is two terms. y - y is two terms. Do you understand? Multiplication and Division does NOT equal terms. Terms EQUAL ADDITION and SUBTRACTION.

OpenStudy (compassionate):

Which expression has 2 terms? 10 - it can't be this, this is one term. (5a)(4b) - these two are being multiplied 5g-7h - these two are being subtracted, therefore, this is two terms! 3a - 3 and a, are being multiplied

OpenStudy (anonymous):

so the answer is c

OpenStudy (compassionate):

y = 1 term y + y = 2 terms y + y + y = 3 terms. Understand? :)

OpenStudy (anonymous):

Which of these means the same thing as six y? sixty plus y six times y six plus y six divided by y

OpenStudy (compassionate):

Which of these means the same thing as six y? 60+y 6*y 6+y 6/y six y, or 6x, means, six TIMES y, so which one do you think? It's not addition, subtract, or division. Six-y, or six-b, or anything of the sort, will always be multiplication.

OpenStudy (compassionate):

Hun - you need to make an effort to learn. I am trying to help you understand :) That way, you can score 100% on all your exams!

OpenStudy (anonymous):

i dont get it

OpenStudy (compassionate):

What do you think six-y looks like? A. 6b B. 6a C. 10000000p D. 6y

OpenStudy (anonymous):

d

OpenStudy (compassionate):

Great! Therefore, the solution is?

OpenStudy (anonymous):

6+y?

OpenStudy (compassionate):

No - no, remember what I said earlier? When asked for six-y, you literally want to put six and y together. Multiplication = six-y Division = six-over-y Subtraction = six-minus-y Addition = six-plus-y. Does that make sense, hun?

OpenStudy (anonymous):

nope but i sure know u should be a teacher cuzz u have passion

OpenStudy (compassionate):

Thank you :) Six-y, the answer is 6y, I see you're having trouble. remember 6y and 6*Y and 6 x y are all multiplication. They're all multiplying six by y, and are the same! So the answer is 6*y. Sometimes demonstration is the best teacher.

OpenStudy (anonymous):

Which of these is not a way to show the product of 3 and b? 3b 3*b 3(b) 3 raised to the b power

OpenStudy (compassionate):

The product means multiplication. What do you think, hun?

OpenStudy (compassionate):

For example, the product of 2 and x would be 2*x, because 2 is being multiplied by x.

OpenStudy (anonymous):

its b............... i think

OpenStudy (compassionate):

Correct! :) Because 3 is being multiplied by b! !!! Awesome job.

OpenStudy (anonymous):

are u a boy?

OpenStudy (anonymous):

In the expression two a plus four b plus three c plus ten d, what is the coefficient of c? 3c 3 4 4b

OpenStudy (compassionate):

Yes - I am. In the expression two a plus four b plus three c plus ten d, what is the coefficient of c? A coefficient is the number, and the variable is the little letter next to the number. 3x <<--- The variable here is x, and the coefficient is 3. So, it's asking the coefficient of c >Plus three c So we know it's positive 3c. So, what is the coefficient of 3c? (coefficient = number, variable = letter)

OpenStudy (anonymous):

so the answer is 3c

OpenStudy (compassionate):

No, no, 3c is the term. It's asking for the coefficient.

OpenStudy (anonymous):

is it 3

OpenStudy (compassionate):

Yes, ma'am! Good job :-3

OpenStudy (anonymous):

ahhhhh if u were a teacher damn!!! In an election for class president, George got 7 more votes than Rachel. If Rachel got r votes, how many votes did George get? r+7 7r r divided by 7 7

OpenStudy (compassionate):

George got seven more votes. We know that he got seven more than rachel. Rachel = R. So, we do not know how many votes Rachel got, but we do know George got seven more. Lets say rachel got 5 votes, we know george got 7 more, so 5 + 7 = 12. So, just take whatever Rachel got, or R, and add seven.

OpenStudy (anonymous):

i got only one wrong thanks!!!!

OpenStudy (anonymous):

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