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julia-pushkina [17]
2 years ago
5

If rx – st = r, which expression represents r.

Mathematics
1 answer:
statuscvo [17]2 years ago
5 0

Answer:

{ \tt{rx - st = r}}

» Collect like terms, r terms on the left hand side by subtracting r from both sides and adding st to both sides

{ \tt{(rx - st) { \green{ - r + st }} = r{ \green{ - r + st}}}} \\ { \tt{rx - r = st}}

» On the left hand side, factorise out r

{ \tt{ \green{r(x - 1)} = st}} \\  \\ { \boxed{ \tt{ \blue{ \: r =  \frac{st}{x - 1} }}}}

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The coefficient of 8.2 N is<br> 8<br> 2<br> 16
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2

Step-by-step explanation:

A coefficient is the number placed before the variable. The variable gets multiplied by the coefficient.

The format is not exactly clear with the expression in the question.

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'n' is getting multiplied by '2'.

'8' does not have a variable next to it, so it is just a term in the expression.

The product of 8 and 2 is 16. 16 is not in the expression.

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<em>Brainilest Appreciated. </em>

4 0
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Read 2 more answers
Amelia makes $8 per hour at her job and then earns an additional $15 for every tablet she sells. She uses the expression 8h + 15
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3 0
3 years ago
HELP PLEASE QUICKLY!!!!
solmaris [256]
Hi again!

I think I already answered this question - right ?

Ok whatever - the answer and the steps are still in my head~

x^3 - 4x² + 2x + 10 = x² - 5x - 3
Again, same thing
x^3 - 4x² + 2x + 10 -x² + 5x + 3 = 0
Now factorize
(x + 1)(x² - 6x + 13) = 0
Set factor equal to 0
x + 1 = 0 or x² - 6x + 13 = 0
x = -1

The correct option is : B

A+ Guaranteed! 
4 0
3 years ago
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