All categories

3 years ago

L=U²A divided by (A+B)² make A the subject of formular

Mathematics

1 answer:

nikklg [1K]3 years ago

6 0

Answer:

A = [- 2Bl + U^2 +/- √((2BL - U^2)^2 - 4B^2L^2) ] / 2L

Step-by-step explanation:

L = U^2A / (A + B)^2

U^2 A = L(A^2 + 2AB + B^2)

U^2 A = LA^2 + 2ABL + B^2L

LA^2 + 2ABL - U^2A + B^2 L = 0

LA^2 + (2BL - U^2)A + B^2L = 0

Using the quadratic formula

A = [- (2BL - U^2) +/- √[(2BL - U^2)^2 - 4*L*B^2L] / 2L

A = [- 2BL + U^2 +/- √[(2BL - U^2)^2 - 4B^2L^2) ] / 2L

You might be interested in

Slope = 4/3, (-2, 11)

Lady_Fox [76]

Answer:

y = $\frac{4}{3}$ x + $\frac{41}{3}$

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

here m = $\frac{4}{3}$ , hence

y = $\frac{4}{3}$ x + c ← is the partial equation

to find c substitute (- 2, 11) into the partial equation

11 = - $\frac{8}{3}$ + c ⇒ c = $\frac{41}{3}$

y = $\frac{4}{3}$ x + $\frac{41}{3}$ ← equation of line

7 0

3 years ago

How do i turn -24/5 into a decimal answers plz thxs :)

kow [346]

Answer:

-4.8

Step-by-step explanation:

-24/5 = (-24) $\div$ 5

= -4.8

7 0

3 years ago

Read 2 more answers

Write the expression in complete n^2(n+8)-4(n+8)

MakcuM [25]

Answer:

(n^2-8)(n+8) is the answer

6 0

3 years ago

How do you do this?????

o-na [289]

$y = 2x - 9$

Step-by-step explanation:

Let's rewrite the given equation such that only y is on the left side and everything else on the right side:

$3x + 6y = -30 \Rightarrow 6y = -3x - 30$

Simplifying this by dividing by 6, we get

$y = -\frac{1}{2}x - 5$

This line has a slope of -1/2, which means that a line perpendicular to this has a slope of 2 (i.e., negative reciprocal). So we can write its equation as

$y = 2x + b$

This is the slope-intercept form of the equation of the line perpendicular to our given line. To complete this form, we need to find the value of b. Since this line passes through (1, -7), put these numbers into our equation to get

$-7 = 2(1) + b \Rightarrow b = -9$

Therefore, the slope-intercept form of the equation can be written as

$y = 2x - 9$

3 0

3 years ago

Evaluate 6x - 3, when x = 2 14

Rudiy27

Answer:

6x214=1284

1284-3 is 1281

Step-by-step explanation:

7 0

3 years ago

L=U²A divided by (A+B)² make A the subject of formular​

L=U²A divided by (A+B)² make A the subject of formular