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mr_godi [17]
2 years ago
14

Help help math math math

Mathematics
1 answer:
Sholpan [36]2 years ago
8 0

Answer:

3 1/4 ÷ 2 2/3 = 3 1/8

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Please help with my math ​
GuDViN [60]

Answer:

its 80

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6 0
3 years ago
Find constants a and b such that the function y = a sin(x) + b cos(x) satisfies the differential equation y'' + y' − 7y = sin(x)
Elza [17]
The first thing we must do in this case is find the derivatives:
 y = a sin (x) + b cos (x)
 y '= a cos (x) - b sin (x)
 y '' = -a sin (x) - b cos (x)
 Substituting the values:
 (-a sin (x) - b cos (x)) + (a cos (x) - b sin (x)) - 7 (a sin (x) + b cos (x)) = sin (x)
 We rewrite:
 (-a sin (x) - b cos (x)) + (a cos (x) - b sin (x)) - 7 (a sin (x) + b cos (x)) = sin (x)
 sin (x) * (- a-b-7a) + cos (x) * (- b + a-7b) = sin (x)
 sin (x) * (- b-8a) + cos (x) * (a-8b) = sin (x)
 From here we get the system:
 -b-8a = 1
 a-8b = 0
 Whose solution is:
 a = -8 / 65
 b = -1 / 65
 Answer:
 
constants a and b are:
 
a = -8 / 65
 
b = -1 / 65
4 0
2 years ago
Who knows about ratios
Kaylis [27]
I can help you. Just post the question
5 0
2 years ago
The parabola shown is congruent to y = x^2. a) what are the zeroes of the function? B) write the equation in factored form.
Murljashka [212]

Answer:

idk

Step-by-step explanation:

8 0
3 years ago
Assume Cylinder A and Cone B are the same height and the bases have the same radius. If A has a volume of 18π cm3, what is the v
Artemon [7]
The volume of a cone is (1/3) that of its similar cylinder. 
Thus the volume of the cone B would be: 6 \pi cm^{3}
5 0
3 years ago
Read 2 more answers
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