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andre [41]
3 years ago
15

Help plssssssssssssssss

Mathematics
1 answer:
Sveta_85 [38]3 years ago
8 0

Answer:

both

Step-by-step explanation:

The mean and the median give the same information, so it doesn't matter which one she chooses.

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Which expressions are equivalent?
olga55 [171]

Answer:

C none of the above

Step-by-step explanation:

x + z + y

is not going to be equal to x + y - z

Its like saying 10 + 5 - 4 = 11

To 10 + 5 + 4, they are not going to be equal

4 0
3 years ago
Read 2 more answers
The owner of Limp Pines Resort wanted to know the average age of its clients. A random sample of 25 tourists is taken. It shows
erma4kov [3.2K]

Answer:

C. ± 2.326 years.

Step-by-step explanation:

We have the standard deviation for the sample. So we use the t-distribution to solve this question.

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.98}{2} = 0.01

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.01 = 0.99, so z = 2.326/tex]Now, find the width of the interval[tex]W = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

In this question:

\sigma = 5, n = 25

So

W = z*\frac{\sigma}{\sqrt{n}}

W = 2.326*\frac{5}{\sqrt{25}}

The correct answer is:

C. ± 2.326 years.

7 0
3 years ago
Help plis! Someone I need help with this plis
ipn [44]

Answer:

I think the answer is B

4 0
2 years ago
F(x) = x2<br> What is f(x) + f(x) + f(x)?
DaniilM [7]

Answer:

3x²

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Algebra I</u>

  • Terms/Coefficients
  • Functions
  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

[Given] f(x) = x²

[Solve] f(x) + f(x) + f(x)

<u>Step 2: Find</u>

  1. Combine like terms:                                                                                         3f(x)
  2. Substitute in function:                                                                                      3(x²)
  3. Multiply:                                                                                                             3x²
4 0
3 years ago
The formula to convert °F to °C is C = (F – 32).<br><br>Convert 50°C to °F
Harman [31]

50*C x 9/5 + 32 = 122 *F


4 0
3 years ago
Read 2 more answers
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