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2 years ago

5 pockets of potatoes R125,00. how much will 4 pockets cost?

Mathematics

1 answer:

dsp732 years ago

5 0

Cost of 1pocket of potatoes = 5/125
=25
só,
4pockets = 25 multiply by 4 = 100

your answer is 100

Hi! (◕‿◕)

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Complete the steps to solve the polynomial equation x3 – 21x = –20. According to the rational root theorem, which number is a po

jeka94

Answer:

Zeroes : 1, 4 and -5.

Potential roots: $\pm 1, \pm 2, \pm 4, \pm 5, \pm 10, \pm 20$ .

Step-by-step explanation:

The given equation is

$x^3-21x=-20$

It can be written as

$x^3+0x^2-21x+20=0$

Splitting the middle terms, we get

$x^3-x^2+x^2-x-20x+20=0$

$x^2(x-1)+x(x-1)-20(x-1)=0$

$(x-1)(x^2+x-20)=0$

Splitting the middle terms, we get

$(x-1)(x^2+5x-4x-20)=0$

$(x-1)(x(x+5)-4(x+5))=0$

$(x-1)(x+5)(x-4)=0$

Using zero product property, we get

$x-1=0\Rightarrow x=1$

$x-4=0\Rightarrow x=4$

$x+5=0\Rightarrow x=-5$

Therefore, the zeroes of the equation are 1, 4 and -5.

According to rational root theorem, the potential root of the polynomial are

$x=\dfrac{\text{Factor of constant}}{\text{Factor of leading coefficient}}$

Constant = 20

Factors of constant ±1, ±2, ±4, ±5, ±10, ±20.

Leading coefficient= 1

Factors of leading coefficient ±1.

Therefore, the potential root of the polynomial are $\pm 1, \pm 2, \pm 4, \pm 5, \pm 10, \pm 20$ .

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Find the slope of the line passing through each of the following pairs of points and draw the graph of the line.

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The slope is 1/2

Step-by-step explanation:

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Step-by-step explanation:

.64 is equal to 64%

In order to convert move the decimal over two spaces and add a percent sign (%).

Move the decimal 0.64 to 64 and add percent sign 64%.

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Solve this system of linear equations. Separate

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Putting in second one

8(2)=93+11y
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In simplified exponential notation, the expression x^3•x^-4•x=

alexandr1967 [171]

Since all of the bases (x) are equal you just add the exponents.

(The x has an exponent of 1)

3 + -4 + 1

-1 + 1

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Since the answer is 0 it is x^0

And any number or variable set to the power of 0 equals 1, therefore...

ANSWER: x^3 • x^-4 • x = 1

Hope this helps!

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3 years ago

5 pockets of potatoes R125,00. how much will 4 pockets cost?​

5 pockets of potatoes R125,00. how much will 4 pockets cost?