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Alexxx [7]
3 years ago
6

Can someone help me with this problem

Mathematics
1 answer:
iren2701 [21]3 years ago
7 0

Answer and Explanation:

The ratio sine is defined as:

opposite side / hypotenuse.

In this triangle, the right angle is ∠P and the hypotenuse is ON.

So, the sine of ∠N is:

\frac{PO}{ON},

which is:

28 / 53

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Use the quadratic model y = −4x2 − 3x + 4 to predict y if x equals 5.
REY [17]

Answer:

-111

Step-by-step explanation:

substitute 5 in place of each x

    -4(5)^2 - 3(5) + 4

then evaluate or type it into your calculator

    -100 - 15 + 4

7 0
3 years ago
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Find the LCM for 6 and 8
bogdanovich [222]

Answer:

24

Step-by-step explanation:

The LCM of 6 and 8 is 24 because 24 is the smallest number that is both a multiple of 6 and a multiple of 8

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Find the distance between the two points
g100num [7]
I got 8.1 units
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I used the Pythagorean Theorem to find my answer. I plugged in 7 for the long side and 4 for the short side and then solved.
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Hope this helps :)
4 0
3 years ago
A homogeneous second-order linear differential equation, two functions y1 and y2 , and a pair of initial conditions are given be
Basile [38]

Answer:

Step-by-step explanation:

Check part

y= C_1y_1 + C_2y_2 = C_1cos(7x)+C_2sin(7x)

y'= -7 C_1sin(7x)+7C_2cos(7x)

y"= -49 C_1cos(7x) - 49 C_2sin(7x)

Now, replace to the original one.

y"+49 y = -49C_1cos(7x)-49 C_2 sin(7x) + 49 C_1cos(7x) +49 C_2sin(7x) = 0\\

Done!!

Particular solution

y(0) = C_1cos(0) + C_2 sin(0) = C_1= 10

I believe that y'(0) = 4, not y(0) anymore. Since y(0) CANNOT have two different solution.

y(0)'= -7 C_1sin(0) + 7 C_2 cos (0) = 7 C_2= -4

C_2 = -4/7

The last step is to put C1, C2 into your solution. You finish it.

4 0
4 years ago
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