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strojnjashka [21]
2 years ago
15

Please answer this correctly

Mathematics
1 answer:
GREYUIT [131]2 years ago
3 0
0 Minutes 18 Seconds
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What is the domain and range of y=x
liberstina [14]
The range of a function is all possible output, or y, values. The domain is all possible input, or x, values. 


I case of y = x , domain and range are real number.
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3 years ago
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What is 1/5 expressed as a percent? A. 10% B. 20% C. 30% D. 50%
Serggg [28]

Answer:

I'm pretty sure it's B.20%

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Help asaaaaap please
katovenus [111]

Answer:

A. 1

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

Equality Properties

Step-by-step explanation:

<u>Step 1: Define</u>

-5x - 1 ≤ -9

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Add 1 to both sides:                    -5x ≤ -8
  2. Divide -5 on both sides:             x ≥ 8/5

Here we see that any value <em>x</em> greater than or equal to 1.6 would work as a solution.

Therefore, our answer is A. 1, as it doesn't work as a solution.

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2 years ago
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Find the measure of angle x in the figure below:
Lostsunrise [7]

Answer:

its 130

Step-by-step explanation:

3 0
2 years ago
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College alcohol and drug use: In a Washington Post/Kaiser Family Foundation poll conducted from January through March 2015, 56%
jolli1 [7]

Answer:

d. We are 95% confident that the proportion of adults (ages 17-26) who attended college is between 53% and 59%.

Step-by-step explanation:

Confidence interval of a proportion p.

We build a confidence interval at the x% level from a sample.

With this, we can say that we are x% sure that the true population propotion is in the interval.

The 95% confidence interval is (0.53, 0.59).

This means that we are 95% sure that the true population proportion is between 0.53 and 0.59.

So the correct answer is:

d. We are 95% confident that the proportion of adults (ages 17-26) who attended college is between 53% and 59%.

7 0
3 years ago
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