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2 years ago

6

How many different possible answers keys are there for an answer sheet with this format? 10 questions, 5 possible answers for ea

ch question

2 answers:

Kobotan [32]2 years ago

8 0

5 answers bc there's only 5 on each question

castortr0y [4]2 years ago

6 0

50 Because 10 multiplied by 5 equals fifty

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QUICK!! 18x^2+21x-60=0 pls give me the steps as well

Anton [14]

Answer:

<h2> $x1 = - \frac{5}{2}$ </h2>

$x2 = \frac{4}{3}$

Step-by-step explanation:

$18 {x}^{2} + 21x - 60 = 0$

Divide both sides of the equation by 3

$6 {x}^{2} + 7x - 20 = 0$

Write 7x as a difference

$6 {x}^{2} + 15x - 8x - 20 = 0$

Factor out 3x from the expression

$3x(2x + 5) - 8x - 20 = 0$

Factor out -4 from the expression

$3x(2x + 5) - 4(2x + 5) = 0$

Factor out 2x + 5 from the expression

$(2x + 5)(3x - 4) = 0$

When the product of factors equals 0 , at least one factor is 0

$2x + 5 = 0$

$3x - 4 = 0$

Solve the equation for X

$2x + 5 = 0$

Move constant to R.H.S and change its sign

$2x = 0 - 5$

Calculate the difference

$2x = - 5$

Divide both sides of the equation by 2

$\frac{2x}{2} = \frac{ - 5}{2}$

Calculate

$x 1= - \frac{5}{2}$

Again,

$3x - 4 = 0$

Move constant to RHS and change its sign

$3x = 0 + 4$

Calculate the sum

$3x = 4$

divide both sides of the equation by 3

$\frac{3x}{3} = \frac{4}{3}$

Calculate

$x 2= \frac{4}{3}$

Hope this helps..

Best regards!!

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andriy [413]

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3 years ago

What types of functions result from dividing two functions?

labwork [276]

Answer:

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Step-by-step explanation:

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Depends on how long the board itself is. Give me the original board dimensions.

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