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goldfiish [28.3K]
3 years ago
11

13. Write a few sentences describing what you have learned about the mean length of the population of 268 words in the Gettysbur

g Address. Be sure to include an interpretation
of the margin of error.
Mathematics
1 answer:
alexira [117]3 years ago
7 0

You can obtain information about the mean population by taking a random sample of it and taking the average of that sample. The Law of big Numbers says that the bigger the sample, the more likely we will be closer to the real mean value. In other words, the margin of error is less likely to be big.

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Graph y = -2x + 5 and y<br> and y = - 1 2 - 3<br> Are the lines parallel, perpendicular, or neither?
navik [9.2K]
They are neither,they intersect but not at a 90 degree angle
7 0
3 years ago
The difference of a number and 8 is the same as 34 less the number. find the number.
Dovator [93]
Let the number be x.

8 - x = x -34

2x = 8 + 34

2x = 42

x = 21

Answer: The number is 21.
4 0
3 years ago
Which binomial is a factor of 49x2 + 84 xy + 36y2?
bezimeni [28]

Answer:

(7x+6y) is a binomial factor of the given expression  49x^2+84xy+36y^2

Therefore  49x^2+84xy+36y^2=(7x+6y)(7x+6y)

Step-by-step explanation:

Given expression is 49x^2+84xy+36y^2

To find the binomial factor :

49x^2+84xy+36y^2

Rewritting the above expression as

=7^2x^2+2(7)(6)xy+6^2y^2

=(7x)^2+2(7x)(6y)+(6y)^2

=(7x+6y)^2 ( using the formula =(a+b)^2=a^2+2ab+b^2 here a=7x and y=6y )

=(7x+6y)(7x+6y) ( using the formula =(a+b)^2=(a+b)(a+b) )

Therefore  49x^2+84xy+36y^2=(7x+6y)(7x+6y)

(7x+6y) is a binomial factor of the given expression  49x^2+84xy+36y^2

7 0
3 years ago
Please I need answer fast will give brainliest
Sonbull [250]
Point slope is y-y1=m(x-x1)
Keep y and x as they are (do not plug anything in for those).
Variable m is the slope.
x1 and y1 are part of the point, which is in (x, y) form.
With the information given, plug each into the equation.
m= 2 (It's the slope)
x1=-8
y1=5
Put these variables into the equation like this-
y-5=2(x--8)
The two negatives cancel out (between x and 8) so your final answer is-
y-5=2(x+8)
6 0
3 years ago
Solve for x. Round to the nearest tenth if necessary (will give brainliest PLEASE help!!!)
Lyrx [107]

Answer:

I think it's 30.1

Step-by-step explanation:

Since the hypothesis is always the longest side of the triangle

4 0
3 years ago
Read 2 more answers
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