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3 years ago

Can someone explain to me how to change a fraction to a decimal example: 4 over 5

2 answers:

7 0

You have to divide the numerator (the top number) by the denominator (the bottom number) so it's .8 or percentage would be 8%

Ivanshal [37]3 years ago

3 0

U would divide 4 and 5. Since 4 is smaller than 5, you would put a decimal after 4 and put a 0 after the decimal. So it should look like this 4.0 divided by 5 and put the decimal up to the quotient and just divide normal and u should get 0.8

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madam [21]

Answer: always

Hope i helped :)

6 0

3 years ago

Read 2 more answers

6. Consider the polynomial p(x) = x^2 + kr^2 +x+6. Find a value of k so that x+1 is a factor of P. Find all the zeros of P.

Nikitich [7]

If x + 1 is a factor of p(x) = x³ + k x² + x + 6, then by the remainder theorem, we have

p (-1) = (-1)³ + k (-1)² + (-1) + 6 = 0 → k = -4

So we have

p(x) = x³ - 4x² + x + 6

Dividing p(x) by x + 1 (using whatever method you prefer) gives

p(x) / (x + 1) = x² - 5x + 6

Synthetic division, for instance, might go like this:

-1 | 1 -4 1 6

... | -1 5 -6

----------------------------

... | 1 -5 6 0

Next, we have

x² - 5x + 6 = (x - 3) (x - 2)

so that, in addition to x = -1, the other two zeros of p(x) are x = 3 and x = 2

6 0

2 years ago

Solve the following system algerbraically: y=-3(x-2) squared+4 y=-6x+16

pishuonlain [190]

$y = - 3(x - 2) ^{2} + 4$
$y = - 6x + 16$
distribute the -3 and the square into the first equation
$y = - 3x ^{2} + 12x - 8$
$y = - 6x + 16$
multiply the second equation by 2
$y = - 3x ^{2} + 12x - 8$
$y = - 12x + 32$
add the equations together
$y = - 3x ^{2} + 24$
factor out -3
$y = - 3(x ^{2} - 8)$
factor inside parenthesis
$y = - 3(x + \sqrt{8} )( x - \sqrt{8})$
refine
$y = - 3(x + 2 \sqrt{2} )(x - 2 \sqrt{2} )$

8 0

2 years ago

If using the method of completing the square to solve the quadratic equation x squared -20x+24=0, which number would have to be

Ksivusya [100]

Oksuru k diyaf ramincok ani kasilm asiyla olusan bir refle kstir.

6 0

2 years ago

What is reciprocal of the fraction in the equation 3/5(2x+8)=18?

Katen [24]

Answer:

5/3

Step-by-step explanation:

The reciprocal is the fraction upside down.

3 0

2 years ago