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Karo-lina-s [1.5K]
3 years ago
10

Solve 2x-1 -3 and write the solution in interval notation

Mathematics
2 answers:
frutty [35]3 years ago
5 0
Interval notation can only be used for inequalities (equations with > or < instead of =)
Musya8 [376]3 years ago
4 0
Honestly don’t know am really sorry
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Concert ticket prices are $18 for a screening with 500 attendees. For each $1 increase in ticket price, attendance decreased by
icang [17]

Answer:

$59

Step-by-step explanation:

Let the revenue will be maximum when $ x is increased in the ticket price.

So, the final ticket price is $(18 + x) and attendance in the concert will be (500 - 5x)

So, revenue R = (18 + x) (500 - 5x) = 9000 + 410x - 5x².......... (1)

Condition for R to be maximum is \frac{dR}{dx}  =0

So, differentiating equation (1) with respect to x on both sides

\frac{dR}{dx} =410-10x = 0

⇒ x = 41

So, the ticket price for maximum revenue is $(18 + 41) = $59 (Answer)

6 0
4 years ago
Which of the following values of X is not in the domain of f(x)=x+3/x-7
Murljashka [212]
I don’t know it’s could be better if I didn’t have any money for that you could do it omg is it like that a lot but you don’t want it anyway I can do
6 0
3 years ago
At what values of x does the graph of f(x) = sin x intersect the x-axis?
kakasveta [241]

Step-by-step explanation:

n\pi \ \\

where n is an element of Integer

* the values of sinx intersects the x-axis when sinx=0

for example:

sin0°=sin180°=sin360°=0

4 0
4 years ago
I NEED HELP WITH 4 PROBLEMS PLEASE HELP ME QUICKLY! 1.-6(1+7k)+7(1+6k) is less than or equal to -2 2. -2(2-2x)-4(x+5) is less th
melisa1 [442]

Answer:

NUMBER 2) x>_3/7

Step-by-step explanation:

-2(2-2x)-4(x+5) is less than or equal to -24

-2(2-2x)-4(x+5) <_ -24        Divide the expression by the #'s outside the ()

2-2x+x+5>_-3                     This is the quotient from dividing it by -8 (-2 and -4)

(when you divide by a negative number, the signs flip)

7-x>_-3                                Now, divide both sides by 7

-x>_-3/7                              If you want, convert to a decimal. Lastly, divide by -1

x>_3/7

3 0
3 years ago
The equation d=m/v can be used to calculate the density, d, of an object with mass, m, and volume, V. Which is an equivalent equ
Rasek [7]

Answer:

B

Step-by-step explanation:

because equal to mass over volume

6 0
2 years ago
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