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Alex787 [66]
4 years ago
14

Form a differentia equation from this Y=e^x(A cos 3x + B sin 3x)

Mathematics
1 answer:
telo118 [61]4 years ago
8 0
By the Product Rule:-

dy/dx = e^x( -3A sin 3x + 3B cos 3x) +  e^x(A cos 3x + B sin 3x)

dy/dx = e^x [( sin 3x( B - 3A) + cos 3x(A + 3B)]
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3 years ago
Write a problem situation to match the inequality: x divided by 4 less than or equal to 5
Paha777 [63]

Answer:

yes it is ill explain

Step-by-step explanation:Find the student's error in solving the following inequality.31 < -5x + 625 < -5x-5 < x

The student should have added 6 to both sides instead of subtracting it.

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The student should have switched the direction of the inequality sign to get -5> x for a final answer.

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Find the student's error in solving the following inequality.2 < -3x -4 < 56 < -3x < 5-2 > x > -5/3

The student should have added 4 to all parts (left, middle, and right) to get 6 < -3x < 9.

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The student should not have switched the direction of the sign in the final step.

The student should have added 4 to all parts (left, middle, and right) to get 6 < -3x < 9.

Which answer choice is a solution to the inequality ?

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Identify the property used in each step of solving the inequality .

Step 2: Addition property

Step 3: Multiplication property

Which numbers are solutions to the inequality 2x - 1 > x + 2? Check all of the boxes that apply.

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If x < 5 and x > c, give a value of c such that there are no solutions to the compound inequality. Explain why there are no solutions

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8 0
3 years ago
Read 2 more answers
The perimeter of a rectangle is 90 inches. The length is 8 times the width. What is the length of the diagonal?
german

Answer:

40

Step-by-step explanation:

The formula for the perimeter of a rectangle is  P = 2l + 2w.  Since the length is 8 times the width, l = 8w.  You can plug this into the equation.

<em>P = 2(8w) + 2w</em>

<em>P = 16w + 2w</em>

P = 18w

Now, plug in the given value for perimeter, and solve for w.

<em>90 = 18w</em>

<em>(90)/18 = (18w)/18</em>

5 = w

Since the width is equal to 5, you can now solve for l.

<em>l = 8w</em>

<em>l = 8(5)</em>

l = 40

The length of the diagonal is equal to 40.

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3 years ago
Tam takes 2 hours to cycle 20km.Find his average speed in km/hr
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6 0
3 years ago
What is the perimeter of the rectangle in the coordinate plane?
Zinaida [17]
It's (10-7)=3 wide and (17-7)=10 high

So the perimeter is

P=2(3+10)=26 units
6 0
3 years ago
Read 2 more answers
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