Add (4x^2-xy-y^2) and (x^2+5xy+8y^2) simplify your answer:

Mathematics

2 answers:

bazaltina [42]3 years ago

8 0

Answer:

To find a, b, and c, rewrite in the standard form ax2+bx+c=0ax2+bx+c=0.

a=1, b=3, c=0

sukhopar [10]3 years ago

4 0

Answer:

4x^2-4xy-3\frac{y^2}{2}x^2-5xy-3y^2 is 2

−3x^2 y^2 +8x^2 −18xy−6y^2

Step-by-step explanation:

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Plz answer. I need the information now

Maksim231197 [3]

Step-by-step explanation:

it is angle 10 and angle 11 this is because supplementary angles add up to 180°

6 0

4 years ago

Read 2 more answers

Afteer visiting Washington, D.C., Joey Green wanted to make a scale model of the Washington Monument. The actual

Amanda [17]

Answer:

Step-by-step explanation:

height of monument = 555 feet

Scale in/ft = 1 /25

So, 25 feet = 1 inch

1 feet = 1 /25 inch

555 feet = 555 /25 = 22.2 inch

It means that the height of monument is 22.2 inch on scale. As it is a decimal number so it is not a reasonable scale.

6 0

3 years ago

The value of <img src="https://tex.z-dn.net/?f=%5Csin%20%5E%7B-1%7D%5Cleft%28%5Cfrac%7B%5Csqrt%7B3%7D%7D%7B2%7D%5Cright%29-%5Csi

Mademuasel [1]

Answer:

$\displaystyle \frac{\pi}{6}$

Explanation:

According to the unit circle, $\displaystyle \frac{\pi}{3}$ and $\displaystyle \frac{\pi}{6}$ are the radian measures you are looking for because all y-coordinates are associated with the sine function, so when evaluating, you will arrive at this: