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3 years ago

Expand the expression: 3ln2x+lnx-ln17

Mathematics

2 answers:

Tom [10]3 years ago

6 0

Answer:

hey dude!

your answer is

33x-17

Step-by-step explanation:

you need to do 32x+x-17

hope this helps

pls put brainliest

otez555 [7]3 years ago

4 0

Answer:

woops i dont know the answer

my bad this is payback

Step-by-step explanation:

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Select the two values of x that are roots of this equation. 2x^2+ 1 = 5x

iren [92.7K]

Answer:

$\frac{5+\sqrt{17}}{4}$ , $\frac{5-\sqrt{17}}{4}$

Step-by-step explanation:

One is asked to find the root of the following equation:

$2x^2+1=5x$

Manipulate the equation such that it conforms to the standard form of a quadratic equation. The standard quadratic equation in the general format is as follows:

$ax^2+bx+c=0$

Change the given equation using inverse operations,

$2x^2+1=5x$

$2x^2-5x+1=0$

The quadratic formula is a method that can be used to find the roots of a quadratic equation. Graphically speaking, the roots of a quadratic equation are where the graph of the quadratic equation intersects the x-axis. The quadratic formula uses the coefficients of the terms in the quadratic equation to find the values at which the graph of the equation intersects the x-axis. The quadratic formula, in the general format, is as follows:

$\frac{-b(+-)\sqrt{b^2-4ac}}{2a}$

Please note that the terms used in the general equation of the quadratic formula correspond to the coefficients of the terms in the general format of the quadratic equation. Substitute the coefficients of the terms in the given problem into the quadratic formula,

$\frac{-b(+-)\sqrt{b^2-4ac}}{2a}$

$\frac{-(-5)(+-)\sqrt{(-5)^2-4(2)(1)}}{2(2)}$

Simplify,

$\frac{-(-5)(+-)\sqrt{(-5)^2-4(2)(1)}}{2(2)}$

$\frac{5(+-)\sqrt{25-8}}{4}$

$\frac{5(+-)\sqrt{17}}{4}$

Rewrite,

$\frac{5(+-)\sqrt{17}}{4}$

$\frac{5+\sqrt{17}}{4}$ , $\frac{5-\sqrt{17}}{4}$

8 0

3 years ago

What are two events helped bring the renaissance?

vaieri [72.5K]

Answer:

The two major events that helped bring about the Renaissance were the Black Death and the development of banking systems

Step-by-step explanation:

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3 years ago

you have a big bag of 17 marbles for our blue sticks are green 2 are red and the others are yellow what is the probability of dr

Alex Ar [27]

Answer:

3/68

Step-by-step explanation:

Given

Total 17 marbles
4 - blue marbles
6 - green marbles
2 - red marbles
The rest - yellow marbles

Probability of drawing red first:

P(red) = number of red / total number = 2/17

Probability of drawing green second, without replacement:

P(green) = number of green / number left in the bag = 6/16 = 3/8

Probability of red and green in order:

P = P(red)*P(green) = 2/17*3/8 = 3/68

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3 years ago

Which of these is not a Pythagorean Triple?

Greeley [361]

Answer:

C because the rest are pythagoreaum theroems 1 squared plus 2 squared does not equal 3 squared.

Step-by-step explanation:

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3 years ago

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Light travels at approximately 186,000 miles per second. How is 186,000 written in scientific notation?

Mandarinka [93]

${\huge{\textsf{\textbf{\color{Purple}{An}{\textsf{\textbf{\color{hotpink}{sw}{\textsf{\textbf{\color{blue}{er}{\textsf{\textbf{\color{green}{࿐}}}}}}}}}}}}}}$

➳This number can be written in scientific notation as 1.86 times a power of 10.

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3 years ago

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