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1 year ago

9x + 3y - 7x - 8y =

Mathematics

2 answers:

MaRussiya [10]1 year ago

6 0

Answer:

2x-5y

Step-by-step explanation:

9x-7x= 2x

3y-8y= -5y

finlep [7]1 year ago

5 0

Answer:

....................

Step-by-step explanation:

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The function f ( x ) = x ^3 + 2x^2− 5 x − 6 has a root at 2. Name all roots of this function.

Tomtit [17]

sub x=1 into f(x),

remainder= 1^3+2(1)^2-5(1)-6= -8

since remainder≠0, x=1 is not a root of the function

sub x=-1,

remainder = (-1)^3+2(-1)^2-5(-1)-6= 0

by remainder theorem,

x=-1 is a root of f(x)

hence, the correct ans is c

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2 years ago

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grigory [225]

Answer:

answer is B

Step-by-step explanation:

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2 years ago

What is the polynomial of (-3,0)(2,0)(2,0)(3,0)

olga2289 [7]

Answer:(-2,0) and (3,0)

Step-by-step explanation:im not sure if its correct but it should be

7 0

1 year ago

WILL MARK BRAINLIEST<br> THANKS<br> FIND HEIGHT AND VOLUME

Nimfa-mama [501]

Answer:

~ 639.75 cm^3

Step-by-step explanation:

see pic

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1 year ago

HELP DUE IN 15 MINS!

Tasya [4]

Answer:

Area of the sector = 47.52π

Step-by-step explanation:

Area of the sector of the circle;

A = ∅ / 360 * πr²

We know that;

∅ = 120

r = 12

So now we can substitute;

A = (120 / 360) * π(12)²

A = 0.33 * 144π

A = 47.52π

Hope this helps!

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2 years ago