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atroni [7]
3 years ago
6

What does the main denominator mean?

Mathematics
2 answers:
Evgen [1.6K]3 years ago
8 0

Answer:

Simply put, the numerator is the top number of a fraction, and the denominator is the bottom number of a fraction.

Step-by-step explanation:

Assoli18 [71]3 years ago
5 0

Answer: the denominator represents the number of equal parts in a whole, and the numerator represents how many parts are being considered.

Step-by-step explanation:

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Simplify ( 1/2A + 1/2B )^2
zysi [14]
Notice that both A and B are multiplied by (1/2).

Thus, the given expression can be re-written as [(1/2)(A+B)]^2.

Square the (1/2) and the (A+B) separately, and then multiply together the resulting squares:

(1/4)(A^2 + 2AB + B^2)

4 0
2 years ago
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Im not sure if there right or not
alina1380 [7]
They are both correct.
7 0
2 years ago
What solution do 2x2 - 13x + 21 = 0 and 2x2 + 9x - 56 = 0 have in common? Round your answer to the nearest tenth if necessary.
lys-0071 [83]
So if we want to know the common solution(s) to a system of 2 equations, So we can just set both equations equal to each other and solve for the x value(s). That’s where I start below;

2x^2-13x+21 = 2x^2+9x-56
2x^2 cancels out and moving everything to one side and anything with an x variable to the other side we have then;
-22x=-77
22x=77 by cancelling the negative signs
x=77/22 therefore x=7/2 or 3.5

Hope this helps you. Any questions please ask.
4 0
3 years ago
Does anyone know this ? i'm stuck.. i'll give you brainliest and 15 points !! pls show work.
insens350 [35]

Answer:

2y+3 is parallel or the same as QR and PS

5 0
2 years ago
If the side opposite the 60 degree angle in a 30-60-90 degree is 12 centimetres, then what length of the side opposite the 30 de
Trava [24]

Answer:

4*\sqrt3

Step-by-step explanation:

7 0
3 years ago
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