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3 years ago

I have no idea hot to plot parabolas.

Mathematics

1 answer:

Sedbober [7]3 years ago

6 0

Answer:

what grade is that ?

Step-by-step explanation:

???????????

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Phân tích : x^3+2x^2y+xy^2-9x

Galina-37 [17]

Answer:

x(x+y+3)(x+y-3)

Step-by-step explanation:

x³+2x²y+xy²-9x

= x((x²+2xy+y²)-3²)

= x((x+y)² - 3²)

= x(x+y+3)(x+y-3)

3 0

3 years ago

How much would $500 invested at 6% interest compounded annually be worth after 4 years

mixas84 [53]

A = P(1 + r)^t
A = 500(1 + .06)^4
A = $631.24

4 0

4 years ago

Read 2 more answers

What is the value of y in the solution to the system of equations?<br> *x+3y=1<br> 2x – 3y = -30

Delvig [45]

Answer:

$\large\boxed{y=\dfrac{32}{9}}$

Step-by-step explanation:

$\underline{+\left\{\begin{array}{ccc}x+3y=1\\2x-3y=-30\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad3x=-29\qquad\text{divide both sides by 3}\\.\qquad x=-\dfrac{29}{3}\\\\\text{put the value of x to the first equation}\\\\-\dfrac{29}{3}+3y=1\qquad\text{multiply both sides by 3}\\\\3\!\!\!\!\diagup^1\cdot\left(-\dfrac{29}{3\!\!\!\!\diagup_1}\right)+(3)(3y)=(3)(1)\\\\-29+9y=3\qquad\text{add 29 to both sides}\\\\9y=32\qquad\text{divide both sides by 9}\\\\y=\dfrac{32}{9}$

8 0

3 years ago

Solve the following system of equations.

sasho [114]

X is minus 2
y is equal to 1

4 0

4 years ago

What is the estimated cubed rot of 510

Margaret [11]

Answer:

Step-by-step explanation:

approx. 8

As 510 lies closer to the cube of 8 which is 512

3 0

3 years ago