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3 years ago

Which number is a rational number???

Mathematics

1 answer:

svet-max [94.6K]3 years ago

6 0

144 is a rational number

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kiruha [24]

First find Divisor

Two zeros are -3,-2

$\\ \sf\longmapsto x^2-(-3-2)+(-3)(-2)$

$\\ \sf\longmapsto x^2+5x+6$

Dividend given by

$\\ \sf\longmapsto x^4-x^3-16x^2+4x+48$

We know

$\boxed{\sf Dividend=Divisor\times Quotient +Remainder}$

Remainder is 0

$\\ \sf\longmapsto Dividend=Divisor\times Quotient$

$\\ \sf\longmapsto Quotient=\dfrac{Dividend}{Divisor}$

$\\ \sf\longmapsto \dfrac{x^4-x^3-16x^2+4x+48}{x^2+5x+6}$

$\\ \sf\longmapsto x^2-6x+8$

Now factor

$\\ \sf\longmapsto x^2-6x+8=0$

$\\ \sf\longmapsto x^2-4x-2x+8=0$

$\\ \sf\longmapsto x(x-4)-2(x-4)=0$

$\\ \sf\longmapsto (x-4)(x-2)=0$

$\\ \sf\longmapsto x-4=0\:or\:x-2=0$

$\\ \sf\longmapsto x=4\:or\:x=2$

Hence all zeros are

2,-2,-3,4

7 0

3 years ago

A student builds a model of a high-rise for a diorama for an architecture class. The model is a perfect cube and the total volum

laila [671]

The answer is 166.6666667

6 0

3 years ago

Read 2 more answers

Which expression can be used to fine the slope of a line containing the points (-3,2) and (7,-1)

Charra [1.4K]

Hello there! you can use the expression $\frac{ y_{1}-y_{2}}{x_{1}-x_{2} }$ !

To find slope, subtract the y values over the x values.

In this case:

2 - - 1 / - 3 - 7

3 / -10

So, -3/10 would be the slope of these points.

Hope this helps, have a great day!

7 0

3 years ago

I dont know what to do please help me

ipn [44]

Answer:

Step-by-step explanation:

Time Distance

0 0

2 2*25 = 50

4 4*25 = 100

6 6*25= 150

8 8 * 25 = 200

7 0

2 years ago

Does anyone know how to solve this?<br><br> And please explain your answer

vodomira [7]

Step-by-step explanation:x/2 is the answer of your question

hope it is helpful to you

6 0

2 years ago

Read 2 more answers