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bija089 [108]
3 years ago
6

Which is expression. Is equivalent to 6-(-8)

Mathematics
2 answers:
Nikitich [7]3 years ago
7 0

Answer:

Expression: 6 + 8

Solved: 14

Katarina [22]3 years ago
6 0
Another expression is 4+10
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When obtaining a confidence interval for a population mean in the case of a finite population of size N and a sample size n whic
Elanso [62]

Answer:

95% Confidence interval for the mean

142.8 \leq\mu\leq158.4

Step-by-step explanation:

We have to calculate a 95% confidence interval for the mean of a finite population.

The error is multiplied by the following finite population correction factor:

cf=\sqrt{\frac{N-n}{N-1} }

The standard deviation can be estimated as

\sigma=\frac{s}{\sqrt{n}} \sqrt{\frac{N-n}{N-1} } =\frac{24.4}{\sqrt{32} }* \sqrt{\frac{200-32}{200-1} }=3.963

The 95% confidence interval has a z value of 1.96, so it becomes:

M-z*\sigma_c\leq\mu\leq M+z*\sigma_c\\\\150.6-1.96*3.963\leq\mu\leq 150.6+1.96*3.963\\\\ 142.8 \leq\mu\leq 158.4

5 0
3 years ago
Consider the quadratic function f(x) = x2 – 5x + 6.
PolarNik [594]
A = 2
b = -5
c = 6

The coefficients are 2 and -5
The constant is 6
5 0
3 years ago
X to the 2nd power minus 6 equals 1
alexandr402 [8]

Answer:

2.646

Step-by-step explanation:

You have to 6 to the 1 and then take the square root of the number which is seven leaving you with 2.646

3 0
2 years ago
Read 2 more answers
What is true of the data in the dot plot? Check all that apply.
Archy [21]

Answer:

B, D,

Step-by-step explanation:

  • 0 has 3 dots
  • 1 has 8 dots
  • 2 has 7 dots
  • 3 has 0 dots
  • 4 has 4 dots
  • 5 has 1 dot

Total number of dots: 23 =>

The center is 2 Wrong

The center is 1.5. True

There are no gaps. Wrong

It has a cluster at 0, 1, and 2. True

Hope it will find you well.

4 0
3 years ago
Read 2 more answers
Find the product of 2x2 + 3x - 6 and 4x3 - x + 7.​
yanalaym [24]

Answer:

8x^5 + 12x^4 - 26^3 + 11x^2 + 27x - 42

Step-by-step explanation:

(2x^2 + 3x - 6)(4x^3 - x + 7)

8x^5 -2x^3 +14x^2 + 12x^4 - 3x^2 + 21x -24x^3 + 6x - 42

8x^5 + 12x^4 - 26^3 + 11x^2 + 27x - 42

5 0
3 years ago
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