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kramer
3 years ago
9

81x^2-16 factoring special cases

Mathematics
1 answer:
Mashcka [7]3 years ago
5 0
The answer is <span>(9x+4)</span><span>(9x−4<span>)</span></span>
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What is the absolute deviation of 12?
Minchanka [31]
The mean absolute deviation of a set of data is the average distance between each data value and the mean. The mean number of contacts stored and the distance each data value is from the mean is shown below. Each data value is represented by an ×. So, the mean absolute deviation is 3.75<span>.

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3 0
3 years ago
Read 2 more answers
\dfrac12(10x + 20y +10z) = 2 1 ​ (10x+20y+10z)=start fraction, 1, divided by, 2, end fraction, left parenthesis, 10, x, plus, 20
iragen [17]

Answer:

5x + 10y + 5z

Step-by-step explanation:

Given the expression

\frac{1}{2}(10x+20y+10z)\\

Expand the parenthesis using the distributive law;

\frac{1}{2}(10x)+ \frac{1}{2}(20y)+\frac{1}{2}(10z)\\= \frac{10x}{2} + \frac{20y}{2} + \frac{10z}{2}\\= 5x + 10y + 5z

Hence the required solution is 5x + 10y + 5z

6 0
3 years ago
Find the next number in the sequence: 10, 37, 82, 145, 226,
lisabon 2012 [21]

Answer:

325

Step-by-step explanation:

Please vote for Brainliest and hope this helps!

4 0
1 year ago
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PLEASE HELP!!! WORTH 20 POINTS!
Mkey [24]

Answer:

a. 1 1/2 (or 3/2)

b. 2/3

c. 1

d. 1

Step-by-step explanation:

Part A: (1,1) (7,5)

To determine the slope, you will use the equation m=(y2-y1)/(x2-x1). Keep in mind that it doesn't matter what point you use for (x1, y1) or (x2, y2).

Let's plug in the numbers for part a:

m=(7-1)/(5-1)

Let's then solve the problems inside the parentheses:

m=6/4

And finally, we simplify:

m=3/2 (or 1 1/2 depending on what your teacher wants for an answer)

For these others, I will just go through the steps and not explain them, if you need help or don't understand something I'm doing, either look back at what I did for part a or comment on this answer.

Part B: (1,1) (5,7)

m=(5-1)/(7-1)

m=(4/6)

m=2/3

Part C: (2,5) (-1,2)

m=(-1-2)/(2-5)

m=(-3/-3)

m=1

Part D: (2,5) (-7,-4)

m=(-7-2)/(-4-5)

m=(-9/-9)

m=1

8 0
2 years ago
Southern Florida has a mild climate. Which statement about the probability of snow in June in southern Florida is most likely tr
Allisa [31]

Answer:

The probability of snow is about 0.75

Step-by-step explanation:

5 0
3 years ago
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