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tiny-mole [99]
3 years ago
9

-5 1/2 + 6 3/4 + (-4 1/4)

Mathematics
1 answer:
V125BC [204]3 years ago
8 0

Answer:

-3

Step-by-step explanation:

-5 1/2 + 6 3/4 - 4 1/4

= 1 1/4 - 4 1/4

= -3

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Observe that equation (3) has constant coefficients. If y1(x) and y2(x) form a fun- damental set of solutions of equation (3), s
WARRIOR [948]

The equations (2) and (3) you referred to are unavailable, but it is clear that you are trying to show that two set of solutions y1 and y2, to a (second-order) differential equation are solutions, and form a fundamental set. This will be explained.

Answer:

SOLUTION OF A DIFFERENTIAL EQUATION.

Two functions y1 and y2 are set to be solutions to a differential equation if they both satisfy the said differential equation.

Suppose we have a differential equation

y'' + py' + qy = r

If y1 satisfies this differential equation, then

y1'' + py1' + qy1 = r

FUNDAMENTAL SET OF DIFFERENTIAL EQUATION.

Two functions y1 and y2 are said to form a fundamental set of solutions to a second-order differential equation if they are linearly independent. The functions are linearly independent if their Wronskian is different from zero.

If W(y1, y2) ≠ 0

Then solutions y1 and y2 form a fundamental set of the given differential equation.

7 0
3 years ago
Two number have a sum of 1212 and a difference 518. What are the two numbers?
Lady_Fox [76]
The answers are 347 and 865. To solve this problem you set up two equations, x+y=1212 and x-y=518. You then get the second x by itself by adding y to both sides. You then have x+y=1212 and x=y+518. After this you substitute the x into the first equation and have y+518+y=1212. Then simplify to 2y=694 and y=347
Now that y=347 you put it in the original equation. Solve and get that x=865
3 0
3 years ago
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Somebody, please help
SashulF [63]
F(x) can be written as:
f(x) = Asin(2x); where A is the amplitude and the period of the function is half that of a normal sin function.
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4 = Asin(π/2)
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Amplitude of g(x) = 1/2 * amplitude of f(x)
A for g(x) = 2
g(x) = 2sin(x)
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4 years ago
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Tatiana [17]

Answer:

sure, !whats the question?

Step-by-step explanation:

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3 years ago
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Which is not a subset of the set {1,2,3,5}?
olga55 [171]

Answer:5

Step-by-step explanation:

4 0
3 years ago
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