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s2008m [1.1K]
3 years ago
11

PLEASE HELP !

Mathematics
1 answer:
Tanya [424]3 years ago
3 0

Answer:

Hello. It does have a maximum and minimum. You would have to use the formula x=-b/2a to find both of them. So first you have the equation which is x=2(x-2)^2+3, which you would have to make it an equation which is equals to F(x)=2x^2-8x+11. So b would be 8 and a would be 2. Enter them into the formula. So the answers would be (2,3)

Step-by-step explanation:

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-3x + 7 - 5x < 15 true ​
Helen [10]

Answer:

x>-1

Step-by-step explanation:

5 0
3 years ago
Some investments in the stock market have earned 10% annually. At this rate, earning can be found using the formula A=p(1.10)n,
Harlamova29_29 [7]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
The answer to the above question is C which is $8,339.88. below is the solution:

just plug in 1500 for p, and 18 for n: 

<span>1500(1.10)^18 = 8339.88</span>
4 0
3 years ago
Can someone explain this step by step? I'm very confused on how to solve it. Thanks!
Rashid [163]

Answer:

x = -8

Step-by-step explanation:

I will show each step algebraically. If you need further explanation, feel free to ask questions :)

\frac{x}{2} +7=3\\                     Rewrite

\frac{x}{2} =-4                        Subtract 7

x =-8                        Multiply by reciprocal (2/1)

I hope this helps!

3 0
3 years ago
Read 2 more answers
Helpp i really neeed it
Marizza181 [45]

Answer:

9 hours

Step-by-step explanation:

If she makes $ 20 for each car, washing 9 cars in 3 hours would get $ 180.

So she will need to work 9 hours 180 + 180 + 180, washing 9 cars in 3 hours and would get $ 540. This is enough to buy her phone and she will have a surplus of $ 120.

In summary she must work 9 hours

Hope this helps you, please give me the brainliest

7 0
3 years ago
Help much needed please!!!!!!!!
Delicious77 [7]
The line y=3 is a vertical line.  Thus, another line that is perpendicular to y=3 is a horizontal line.   If this horiz. line passes thru  the point (5, -6), then x = 5 is the desired equation.
5 0
3 years ago
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