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svlad2 [7]
3 years ago
5

In a survey, three out of five students prefer the Xbox. If 675 students were surveyed, how many prefer the Xbox?

Mathematics
1 answer:
eduard3 years ago
5 0

Answer:

405 of the students

Step-by-step explanation:

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Implicit differentiation in terms of x and y
Volgvan
For implicit differentiation, you are using the chain rule
f'(x) = g'(u(x))* \frac{du}{dx}
Except u(x)  = y, So after every "y" term is differentiated it will be multiplied by dy/dx.

17) y^3 +4 = 3x \\ 3y^2 \frac{dy}{dx} +0 = 3
Then you solve for dy/dx as if its a variable.
\frac{dy}{dx} = \frac{3}{3y^2} = \frac{1}{y^2}

18)  Here lets review product rule:
(fg)' = f'g + fg'
Take derivative of each term
2x^2 = -3y^3 +3x^2y^3  \\ 4x = -9y^2 \frac{dy}{dx} + (6x)(y^3) + (3x^2)(3y^2 \frac{dy}{dx})  \\ 4x = -9y^2 \frac{dy}{dx} +6xy^3 +9x^2y^2 \frac{dy}{dx}
Solve for dy/dx using factoring:
4x - 6xy^3 = -9y^2 \frac{dy}{dx}+9x^2 y^2 \frac{dy}{dx} \\ 4x - 6xy^3 = \frac{dy}{dx}(-9y^2 +9x^2 y^2) \\ \frac{dy}{dx} = \frac{4x - 6xy^3}{-9y^2 +9x^2 y^2}

8 0
3 years ago
Triangle ABC is rotated 180° using the origin as the center of rotation.
natali 33 [55]

Answer:

The third answer- a reflection over the x axis then a reflection over the y axis

4 0
3 years ago
30,45,x,100; the mean is 60
Andrei [34K]

if there are 4 numbers that average to 60, when mutiplied they must come up to: 60*4= 240

100+30+45= 175

240-175= 65

PROOF:

100+30+45+65= 240

240÷ 4

= 60

6 0
3 years ago
Read 2 more answers
Evelyn says that the equation 3(x - 3) + 5 = 3x + 1 + 4
Alex787 [66]

Step 1: Simplify both sides of the equation.

3(x−3)+5=3x+1+4

(3)(x)+(3)(−3)+5=3x+1+4(Distribute)

3x+−9+5=3x+1+4

(3x)+(−9+5)=(3x)+(1+4)(Combine Like Terms)

3x+−4=3x+5

3x−4=3x+5

Step 2: Subtract 3x from both sides.

3x−4−3x=3x+5−3x

−4=5

Step 3: Add 4 to both sides.

−4+4=5+4

0=9

8 0
3 years ago
Find the volume of the figure. Use 3.14 for Pi​
nydimaria [60]

Answer:

The answer would be 17

Step-by-step explanation:

The answer would be 17 because if you add 12 plus 5 That would be your answer

6 0
3 years ago
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