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2 years ago

10

Divide and find quotient and reminder 4x³+6x²+19x-5 by 2x+5

1 answer:

gayaneshka [121]2 years ago

7 0

Answer:

2x+5 ) 4x³ + 6x² + 19x - 5 (2x²-2x

4x³ +10x²

- -__________

- 4x² + 19x

- 4x² - 10x

+ +_______

29x - 5

Quotient = 2x² - 2x

Remainder = 29x - 5

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2 years ago

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What is the volume of the cube if the side length is 40cm

swat32

Answer:

The formula to find the volume of a cube : s^3 so

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1 year ago

Please help me ASAP?!!

Blababa [14]

Answer:

(0,-5) and (-4,3)

Step-by-step explanation:

The given equations are

$\left \{ {{x^2+y^2=25} \atop {2x+y=-5}} \right.$

Make y the subject in the second equation;

$y=-2x-5$

Substitute into the first equation;

$x^2+(-2x-5)^2=25$

Expand:

$x^2+4x^2+20x+25=25$

$x^2+4x^2+20x+25-25=0$

$5x^2+20x=0$

$5x(x+4)=0$

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

When x=0,

$y=-2(0)-5=-5$

This gives; (0,-5)

When x=-4

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This gives (-4,3)

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2 years ago

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