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related to: K

1. ### Find K ...MATH?

k ^2 - 3k = 28 k ^2 - 3k - 28 = 0 ( k - 7)( k + 4) = 0 k = -4, 7 and if you're asked to find x: k = -4: -4 = (x + 3)/(x - 4) -4(x - 4) = x + 3 -4x + 16 = x + 3 16 - 3 = x...

2 Answers · Science & Mathematics · 18/08/2019

2. ### First order reaction - rate constant ( k )?

...you're given Ea and two temps and asked to calc k .. .. . .whenever you read Ea, T and k (or rate) in the same equation...

2 Answers · Science & Mathematics · 01/06/2020

3. ### Prove (n, k ) = (n, n - k )?

... SOLUTION: I like to use this notation: C(n, k ) = n! / [(n - k )! k !] That would mean: C(n, n - k ) = n! / [(n...;--> {A, B, C} So C(n, k ) = C(n, n- k )

6 Answers · Science & Mathematics · 12/09/2019

4. ### find value of k for which y=6x+ k is tangent to curve y=7sqrt(x.)?

... tangent lines of form y = 6x + k have slope 6  Set slope dy/dx = 7/[2√(x)] = 6  x = 49... how that applies here  (y/7)^2 = x = (y – k )/6  6y^2 = 49y – 49k  6y^2 - 49y + 49k = 0  49*49 = 4*6*49k...

3 Answers · Science & Mathematics · 29/01/2020

5. ### Find u and v if u+4v=4i- k and 4u-v=i+j+ k .?

If you treat i, j, and k as constants, you have two variables and two unknowns that...39;s solve the first equation for u in terms of v: u + 4v = 4i - k u = 4i - k - 4v Now substitute that into the other equation and solve for v: 4u...

2 Answers · Science & Mathematics · 12/06/2020

6. ### For the equation | (x - 4)2 - 12 | = k to have four solutions, the value of k must be greater than 0 and less than ___ ?

You want to know the values of k that makes x have four solutions. |(x - 4)² - 12| = k ...12 = ± k Now we can add 12 to both sides: (x - 4)² = 12 ± k Get the square root of both sides (another ± gets added...

1 Answers · Science & Mathematics · 23/07/2020

7. ### For what values of k does the following equation have exactly one solution? kx^2+3x+5 = 0?

...question. Notice that the question says, "for what *values* of k ..." You did what most people know to do which is to use the...

3 Answers · Science & Mathematics · 01/11/2019

8. ### is it true that the k -pop industry is like this...?

K -pop has nothing to do with music. I'm not sure what the attraction is but it isn't the music.

2 Answers · Entertainment & Music · 06/09/2019

9. ### Reindex the series to start at k =1?

Hint: Let u = k -9. Then write all as an expression as u. Then let u= k . Show ur steps if need be and we can take it from there.

3 Answers · Science & Mathematics · 13/11/2019

10. ### If a 20 kg of mass, m, is attached to the above spring in problem 20 (spring constant k ), what will the frequency of oscillation, f, be?

f = 1/(2 * π) * √( k /m) The first step is solve problem 20 to determine the spring constant... to determine the increase of the length. ∆ L = 0.15 – 0.10 = 0.05 meter k = 4 ÷ 0.05 = 80 N/m Now we can use the spring constant to calculate the...

2 Answers · Science & Mathematics · 16/08/2019