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kompoz [17]
3 years ago
7

HELP (s^2-t^-2)/(s-t^-1)

Mathematics
1 answer:
LiRa [457]3 years ago
4 0
Expand the following:
(s^2 - t^(-2))/(s - 1/t)

(s^2 - t^(-2))/(s - 1/t) = s^2/(s - 1/t) - (1)/((s - 1/t) t^2):

Answer: s^2/(s - 1/t) - 1/(t^2 (s - 1/t))
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which expression represents purely real numbers and which expression represents non-real complex number?​
Ray Of Light [21]

Incomplete question. However, I provided some explanation about non-real complex numbers.

<u>Explanation</u>:

In Mathematics, the term complex numbers (non-real complex numbers) in simple terms refers to numbers that containing an imaginary addition to it.

For example, the numbers 3i, 3 + 5i, 3i/4 are <u>non-real numbers</u> because of the addition of an imaginary part which is denoted by 'i'.

While real numbers, on the other hand, are numbers that do not include an imaginary part; they stand on their own, such as whole numbers 0, 1, 2, 3, etc, rational numbers like 3/4, etc.

5 0
3 years ago
PLEASE HELP ME ASAP ?!?!?
GaryK [48]

Answer:

m = 5 n = \frac{5\sqrt{3} }{2}

Step-by-step explanation:

5/2x2=5

5/3xsqrt3=5sqrt3/2

3 0
3 years ago
(b) Graph the equation x – 2y = 3​
arsen [322]

Answer:

Please look at the image below.

Step-by-step explanation:

If you fix this equation into the y-intercept form(y=mx+c), it will become:

-2y=-x+3

y=x/2-3/2

Looking at this, x/2 is the slope, and -3/2 is the y-intercept.

Hope this helps!!!!

6 0
4 years ago
Read 2 more answers
I WILL MARK BRAINIEST
otez555 [7]

B) Side length of B to side length of C is 4:5.

Perimeter of C is 280, so let's put that into the side length of C's place:

4:280

But the 4 also would have to change so let's figure out how much we multiplied 5 by to get 280:

280 / 5 = 56

So let's do 4 x 56 = 224

Our new ratio is 224:280

Therefore the perimeter of mirror B is 224cm.

C) Side length of A to side length of B is 3:4.

We know the perimeter of B from the previous part (224) so let's put that in the 4s place:

3:224

But we also have to change 3, so let's figure out how much we multiplied 4 by to get 224:

224 / 4 = 56

Therefore to determine A's perimeter we do 3 x 56 = 168.

Mirror A's perimeter is 168cm.

D) The side length of mirror A is the perimeter divided by 4 (as they are squares).

168 / 4 = 42. Side length of mirror A is 42cm.

E) Area of a square is side length squared, so the area of mirror A is 42².

42² = 1,764cm².

4 0
3 years ago
Find the value of x in the kite below. TU = 15x – 23 and UV = 3x + 37
Burka [1]
Would have to go with x=5

8 0
3 years ago
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