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kondor19780726 [428]
2 years ago
6

If x/y = -2 find square root of x^2/y^2+y^2/x^2​

Mathematics
1 answer:
3241004551 [841]2 years ago
6 0
Sqrt(17)/2

Mark brainliest please


Hope this helps you
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Svetradugi [14.3K]

Answer:

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3 years ago
What is the sales tax on the chair shown if the tax rate is 5.75% ( the chairs price is $178.90)
Arturiano [62]
Sales tax is:
$178.90* (5.75/100)=$10.29

The sales tax of the chair is $10.29~
7 0
3 years ago
On a number line what is the difference between -3/7 and -2/3?
Yakvenalex [24]

Answer:  -5/21

Step-by-step explanation:

-3/7 & -4/6

common detonator is 42

-3/7 = -18/42 reduced to -9/21

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4 0
3 years ago
Use the Midpoint Rule and the given data to estimate the value of the integral I. (Give the answer to two decimal places.)
svlad2 [7]

Answer:

a) integral = 24.72

b) |Error| ≤ 0.4267

Step-by-step explanation:

a)

The integral:

\int_{0}^{3.2} f(x) dx

can be  approximated with the midpoint rule, as follows:

6.7*(0.8 - 0.0) + 8.9*(1.6 - 0.8) + 6.9*(2.4-1.6) + 8.4*(3.2 - 2.4) = 24.72

(that is, all the intervals are 0.8 units length and f(x) is evaluated in the midpoint of the interval)

b)The error bound for the midpoint rule with <em>n</em> points is:

|Error| ≤ K*(b - a)^3/(24*n^2)

where <em>b</em> and are the limits of integration of the integral and K = max |f''(x)|

Given that -5 ≤ f''(x) ≤ 1, then K = 5.  Replacing into the equation:

|Error| ≤ 5*(3.2 - 0)^3/(24*4^2) = 0.4267

5 0
3 years ago
Solve on [0,2pi). Answer in order from smallest to biggest<br> cos x sin x = sin x
Musya8 [376]

Answer:

0, π

Step-by-step explanation:

cos x sin x = sin x

cos x sin x - sin x = 0

sin x (cos x - 1) = 0

sin x = 0, x = 0, π

cos x - 1 = 0

cos x = 1, x = 0

So answers: 0, π

3 0
2 years ago
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