1 year ago

Factor z3 + 2z2 - 9z - 18. (z - 3)(z + 3)(z + 2) (z 2 + 9)(z - 2) (z 2 + 2)(z - 9)

Mathematics

1 answer:

Blababa [14]1 year ago

8 0

Answer:

Read the explanation

Step-by-step explanation:

look at the photo

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Helppppppp. Find k if the lines 3x-5y=9 & 2x+ky=11 are a)parallel and b)perpendicular

V125BC [204]

For lines to be parallel, they have to have the same slopes. For the equation given as Ax + By + C = 0, the slope is -A / B. Equating the slopes of the given equations of lines,
- (3 / -5) = - (2 / k)
The value of k is equal to -10/3.

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2 years ago

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I need to solve this equation, when you answer i would like the steps on how you did it so that i can do problems like this one.

Alla [95]

Answer:

3(3x-1)

Step-by-step explanation:

3(2x-1)+3

3(2x-1x)

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2 years ago

Mala is y years old. Her sister is 4 years older than mala . Write expréssion in simplest form that represents the sum of ages o

Evgen [1.6K]

Answer:

$2(y+2)$

Step-by-step explanation:

Let

y --->Mala's age

x---> sister's age

we know that

$x=y+4$ ---> equation A

The sum of ages of the sisters is

$x+y$

substitute equation A in the expression of the sum of ages

$(y+4)+y=2y+4$

simplify

$2(y+2)$

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3 years ago

A small pack of trading cards cost $5, and a large pack costs $10. Eliza wants to spend $30 on trading

LekaFEV [45]

Answer:

the answer is 4 small 1 large

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3 years ago

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Which of the following equations corresponds to the graph below?

Alexus [3.1K]

Hi,
Your equation is y=-3/8x+3 because if you do rise over run you get a slope of -3/8 and the y intercept is 3.

Hope this helped!

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