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shepuryov [24]
3 years ago
15

Simplify the expression 2[13-1)^2/2]

Mathematics
1 answer:
NikAS [45]3 years ago
8 0
The answer is 144 dont know why but it is 
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40 points. Factor the following polynomial.
madam [21]

Answer:

A

Step-by-step explanation:

49y² - x² ← is a difference of squares and factors in general as

a² - b² = (a - b)(a + b) , then

49y² - x²

= (7y)² - x²

= (7y - x )(7y + x) → A

3 0
3 years ago
This is for my math review due tomorrow I need help!!
Snowcat [4.5K]
Z is greater than or equal to 7.

you would put a 7 near the front of the number line and put a colored in circle above it. then you would draw a line from the circle to the other end of the line
6 0
4 years ago
There were 60 ducks living in a pond. If the number living at the pond increased by 30%, how many ducks now live at the pond?
timama [110]

Answer:

78

Step-by-step explanation:

You take the original total: 60, and multiply it by 30 to get 1,800. You then divide 1,800 by 100 to get 18. 18 is your 30%. Now, you add the 30% to 60 getting your total number of ducks: 78.

The equation version:

\frac{a}{60} = \frac{30}{100}

It is just proportions.

3 0
3 years ago
What is not a potential source of bias: Of the 2000 students attending, every 5th student going into the basketball game is aske
ahrayia [7]
I think it is C, not a large enough sample.
8 0
3 years ago
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Plc help! Factor completely 2a^3b-ab^3-1 2/3ab^3-a^3b-4 1/2a^2b-1/2a^2b
alexandr402 [8]

Answer:

116−−√

110−−√

14√

18√

Step-by-step explanation:

7 0
2 years ago
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