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Dima020 [189]
3 years ago
6

Solve for N4 + N = 8x5​

Mathematics
1 answer:
Trava [24]3 years ago
3 0

Answer:

The Answer is: N = 36

Step-by-step explanation:

4 + N = 8 x 5

4 + N = 40

Subtract 4 from both sides:

N = 36

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Please help! x^3 +y^3=9
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Step-by-step explanation:

Taking the derivative of both sides with respect to x, we get

\dfrac{d}{dx}(x^3 + y^3) = \dfrac{d}{dx}(3)

\Rightarrow 3x^2 + 3y^2\dfrac{dy}{dx} = 0

Solving for \frac{dy}{dx}, we get

\dfrac{dy}{dx} = -\dfrac{3x^2}{3y^2} = -\dfrac{x^2}{y^2}

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The table shows the depth of a submarine over a 2 hour period. Did the sub go up or down?By how much?
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If the sub is closer to the surface later, we thus know that it traveled upwards.

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A line passes through the points (1,4) and (3,-4). Which is the equation of the line
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Step-by-step explanation:

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97+(-27)+(-89)+(-54)
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Step 1:

97+(-27)+(-89)+(-54)

Step 2:

= 97 - 27 - 89 - 54

Info:

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Which graph represents the function of f(x) = the quantity of 9 x squared plus 9 x minus 18, all over 3 x plus 6
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Answer:

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graph of 3x minus 3, with discontinuity at negative 2, negative 9

Step-by-step explanation:

we have

f(x)=\frac{9x^{2}+9x-18}{3x+6}

Simplify

f(x)=9\frac{(x^{2}+x-2)}{3(x+2)}

f(x)=3\frac{(x^{2}+x-2)}{(x+2)}

Step 1

Convert to a factored form the numerator

x^{2}+x-2=0    

Group terms that contain the same variable, and move the constant to the opposite side of the equation

x^{2}+x=2

Complete the square. Remember to balance the equation by adding the same constants to each side.

x^{2}+x+0.25=2+0.25

x^{2}+x+0.25=2.25

Rewrite as perfect squares

(x+0.5)^{2}=2.25

Square root both sides

x+0.5=(+/-)1.5

x=-0.5(+/-)1.5

x=-0.5+1.5=1

x=-0.5-1.5=-2

so

x^{2}+x-2=(x-1)(x+2)  

Step 2

Simplify the function f(x)

f(x)=3\frac{(x^{2}+x-2)}{(x+2)}=3\frac{(x-1)(x+2)}{(x+2)}

The domain of the function f(x) is all real numbers except the number x=-2

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f(x)=3x-3  ------> with a discontinuity at x=-2

f(-2)=3(-2)-3=-9

The discontinuity is at point (-2,-9)

the answer in the attached figure

8 0
3 years ago
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