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Kruka [31]
3 years ago
9

Solve the inequality x^3+4x>5x^2 please show steps and interval notation. thank you.​

Mathematics
1 answer:
Illusion [34]3 years ago
4 0

Answer: x\in (0,1)\cup (4,\infty)

Step-by-step explanation:

Given

In equality is x^3+4x>5x^2

Taking terms one side

\Rightarrow x^3-5x^2+4x>0\\\Rightarrow x(x^2-5x+4)>0\\\Rightarrow x(x^2-4x-x+4)>0\\\Rightarrow x(x-4)(x-1)>0\\\Rightarrow (x-0)(x-1)(x-4)>0

Using wavy curve method

x\in (0,1)\cup (4,\infty)

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5 0
3 years ago
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A system of inequalities is graphed below. The variable x represents the number of cans someone is buying, and y represents the
8090 [49]
We have that
<span>We will analyze each case to verify the answer
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</span>Point A) 7 cans and 140 bottles------------> (x,y)=(7,140)----> is not solution
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6 0
3 years ago
Why might the mean of a probability distribution for a discrete random variable be less than (or greater than) the average of po
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The Normal probability distribution function is left-skewed, right-skewed, or symmetric depending on the values of the variance and the standard deviation might the mean of a probability distribution for a discrete random variable be less than (or greater than) the average of possible values.

A probability distribution is a mathematical function that describes the probabilities of different possible values ​​of a variable. Probability distributions are often represented using graphs or probability tables.

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4 0
2 years ago
Hi! I really need help with this, please help me!
elena-s [515]
Answer - 32
hope this helped (:

5 0
3 years ago
Solve 3^2x-5=81<br> Please show work
Strike441 [17]
Let's solve your equation step by step
(3^2)(x)-5=81
step 1:simplify both sides of the equation
(3^2)(x)-5=81
simplify.
9x-5=81
step 2:Add 5 to both sides.
9x-5+5=81+5
9x=86
divide both sides by 9.
9x/9=86/9
x=86/9
Answer:86/9

Hope this helps!
5 0
3 years ago
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