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pochemuha
3 years ago
5

Algebra 2 high school math ​

Mathematics
2 answers:
Masteriza [31]3 years ago
7 0

Answer is written down below

mixer [17]3 years ago
3 0

Answer:

3x^2z√2

/ 2y

Step-by-step explanation:

Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.

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Section 5.2 Problem 19:
rjkz [21]

Answer:

y(x)=2xe^{3x} (See attached graph)

Step-by-step explanation:

To solve a second-order homogeneous differential equation, we need to substitute each term with the auxiliary equation am^2+bm+c=0 where the values of m are the roots:

y''-6y'+9y=0\\\\m^2-6m+9=0\\\\(m-3)^2=0\\\\m-3=0\\\\m=3

Since the values of m are equal real roots, then the general solution is y(x)=C_1e^{m_1x}+C_2xe^{m_1x}.

Thus, the general solution for our given differential equation is y(x)=C_1e^{3x}+C_2xe^{3x}.

To account for both initial conditions, take the derivative of y(x), thus, y'(x)=3C_1e^{3x}+C_2e^{3x}+3C_2xe^{3x}

Now, we can create our system of equations given our initial conditions:

y(x)=C_1e^{3x}+C_2xe^{3x}\\ \\y(0)=C_1e^{3(0)}+\frac{C_2}{6}(0)e^{3(0)}=0\\ \\C_1=0

y'(x)=3C_1e^{3x}+C_2e^{3x}+3C_2xe^{3x}\\\\y'(0)=3C_1e^{3(0)}+C_2e^{3(0)}+3C_2(0)e^{3(0)}=2\\\\3C_1+C_2=2

We then solve the system of equations, which becomes easy since we already know that C_1=0:

3C_1+C_2=2\\\\3(0)+C_2=2\\\\C_2=2

Thus, our final solution is:

y(x)=C_1e^{3x}+C_2xe^{3x}\\\\y(x)=2xe^{3x}

3 0
1 year ago
For a particular type of motion, the velocity is zero but the speed is a nonzero quantity. Which statement can you make about th
zhannawk [14.2K]

Keep in mind this relationship

1.  Relationship between Speed, Distance and time

→Distance = Speed × Time

Speed=\frac{Distance}{Time}

2. Relationship between Displacement, Velocity and time

→Displacement = Velocity × Time

Velocity=\frac{Displacement}{Time}

So, velocity is zero only when

Displacement= 0,so when motion is circular motion,

Total Displacement =0 because initial and final position are same.

But , Speed is not zero, because

Total Distance Traveled = 2 π × (Radius of circle).

So, Option (A)The Starting and end point are same  .. . . . in which  the velocity is zero but the speed is a nonzero quantity.




3 0
3 years ago
Read 2 more answers
Given the function f (x) = 630(.64)x, determine if this function models exponential growth or decay and identify the growth or d
torisob [31]

Answer:

Decay, 36%

Step-by-step explanation:

.64 is less that 1, so it is a decay. You find the rate by using the equation 1 - .64 = .36 or 36%.

8 0
2 years ago
Rachel has taken 6 tests so far and has received scores of 83%, 92%, 79%, 88%, 89%, and 95%. What must Rachel receive on her sev
Vinil7 [7]
Let the score on her seventh test be "x".

SO,

\frac{83+92+79+88+89+95+x}{7} =90\\\\ \frac{526+x}{7}=90\\\\ 526+x=630\\\\x=630-526\\\\ \boxed{x=104}

∴ He must get 104% on his seventh test to get an average score of 90%
5 0
3 years ago
Read 2 more answers
Find the value of y for the given value of x. Round to the nearest hundredth. y = 15 + 3 ln x; x = 7.2
Nikolay [14]

Answer:

y = 20.922

Step-by-step explanation:

Simply plug in <em>x</em> and evaluate:

y = 15 + 3ln(7.2)

Only way to calculate ln is to plug into a calc:

We should get 20.9222 as our answer.

7 0
3 years ago
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