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stiks02 [169]
3 years ago
13

If y=(sec^-1x)^2, then show that x^2(x^2-1) d^2y/dx^2 + (2x^3 - x) dy/dx = 2

Mathematics
1 answer:
Arisa [49]3 years ago
8 0

Step-by-step explanation:

Hope it helps you in your learning process.

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Convert 2 5/6 to an improper fraction
bearhunter [10]
Multiply the denominator by the number in front of it and then add it to the numerator. (6•2=12+5=17). The denominator stays the same. Your answer is 17/6. Hope this helped!
3 0
3 years ago
Stephanie had seven add an 8 pound of bird seed she use three out of 8 pound to fill a bird feeder f Stephanie had 7 pound of bi
natulia [17]
So if I understand correctly, she had 7 1/8 pounds of birdseed and used 3/8 pound.
Convert the 7 1/8 to an improper fraction [(8*7)+1]/8 =57/8
57/8 - 3/8 = 54/8, which is 6 6/8 which reduces to 6 3/4 pounds left

If she had 7 pounds of birdseed and used 3/8 pounds, you need to find a common denominator to subtract if you can't do it in your head. 8 would be the common denominator, so:
56/8 - 3/8 = 53/8, which is 6 5/8 pounds left
6 0
4 years ago
Find x. Please help!!!
solong [7]

Answer:

85

Step-by-step explanation:

In this type of problem, x is always the average of the two angle measures of the arcs. In this case, (100+70)/2=85 degrees. Hope this helps!

5 0
3 years ago
Read 2 more answers
What is the solution to x -9 > -15
RideAnS [48]

Answer:

X> -6

Step-by-step explanation:

hope this helps

4 0
3 years ago
Read 2 more answers
4=y/8 +1 what is the answer
Lesechka [4]

4 = y/8 + 1

3 = y/8

What can we do to get 3?

Well, 24/8 equals 3.

So,

4 = 24/8 + 1

4 = 3 + 1

4.

5 0
3 years ago
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