Calculus

Ada Ada Ada

x multiplied by y can simply be written as xy. You can't find the value of this expression, until you assume specific values for the variables, x and y.

x2-7x+12 = 0 (x-3)(x-4) = 0
x=3,4

√8 = 2√2 ≈ 2.828

4 + 5x = 1

5x = 1 - 4

5x = -3

x = -3/5

x = -0.6

4x - 12 = 4

Divide each side by 4:

x - 3 = 1

Add 3 to each side:

x = 4

3x + 2y = 7

Just simply set x equal to 0 in the original equation, and solve for y. Then set y equal to 0 in the original equation and solve for x. When you solve for x, you put that answer for the x coordinate, and a 0 for the y coordinate, and when you solve for y, you put that answer in for the y coordinate, and a 0 for the x coordinate.

Let x=0 in y=-6x+9

y=-6(0)+9

y=0+9

y=9

Now put a 9 for your y coordinate, and a 0 for your x coordinate.

(0,9).

Let y=0.

y=-6x+9

0=-6x+9

Subtract 9 on both sides.

0-9=-6x+9-9

-6x=-9

Divide by -6 on each side.

(-6x)/-6=-9/-6

x=1.5

Now put a 1.5 for your x coordinate, and a 0 for your y coordinate.

(1.5,0).

Your final answers are (0,9) and (1.5,0).

16

If: 3x+20 = 2x-10

Then: x = -30

logx=12

x=10^12

x=1,000,000,000,000

y = x/(x - 3)

so y(x - 3) = x

xy - 3y = x

xy - x = 3y

x(y - 1) = 3y

x = 3y/(y - 1) for y ≠ 1

So, the inverse function is

f(y) = 3y/(y - 1) where y ≠ 1

Because length of the pendulum which is equal to distance between the point of suspension and g is the gravitational acceleration

and a body repeats its to and fro motion in equal interval of time that's why we cant take standard time period.

There are 1000 milligrams to one pound

1 ppm is one part per million, or one millionth - percentage (which is latin for per hundred) wise, 1 ppm is .0001%

The coordinates of the points on the curve represent solutions of the equation.

x=6=x=5+x=13+x=20

x cannot = x+5. This question has no answer.

73474949444999272725678251628909813.345267777777776663

Yes.

y = kn / (1 + n2)

First, let's express it with negative exponents:
y = kn * (1 + n2)-1

Then apply the chain rule:
dy|dn = k(1 + n2)-1 - kn(1 + n2)-2 * 2n

And simplify:
dy|dn = k / (1 + n2) - 2n / kn(1 + n2)

2250000000

x = (y-b)/m

Get x on it's own so 8x = x -4 would become

7x = -4

x = -0.57