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Inessa [10]
2 years ago
13

Which inequality is true?

Mathematics
1 answer:
DiKsa [7]2 years ago
3 0

Answer:

C. 5\pi > 15

Step-by-step explanation:

In the given series of inequalities, the inequality sign determines the final outcome.

A. 4\pi - 2 < 10

4\pi < 12

\pi < 3

Since \pi < 3, then the inequality is false

B. \pi + 9 < 12

\pi < 3

Since \pi < 3, then the inequality is false

c. 5\pi > 15

\pi > 3

Since \pi > 3, then the inequality is true

D. 6 > 2\pi

3 > \pi

Since \pi < 3, then the inequality is false

Thus, the only inequality that is true is option C.

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Step-by-step explanation:


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suppose a consumer advocacy group would like to conduct a survey to find the proportion p of consumers who bought the newest gen
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The size of the sample they should take to estimate p with a 2% margin of error and 90% confidence is n = 1691.

In statistics, the margin of error is just the degree of a significant error in the outcomes of random sample surveys.

The formula of margin error is, E = z√((p-vector)(1 - (p-vector)) ÷ n)

E = 2% = 0.02

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Now, the proportion is not given so adopt nominal (p-vector) = 0.05

The critical value at CL of 90% is 1.645.

Thus, making n the subject,

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4 0
9 months ago
Need help asap......
Korvikt [17]

Answer:

32

Step-by-step explanation:

(2x+20)+3x=180\\5x+20=180\\5x=180-20=160\\x=160/5=32

6 0
2 years ago
If a trapezoid with 9.00-cm and 12.00-cm bases has an area of 68.25 cm2, what is its height to the nearest hundredth?
Lapatulllka [165]
I hope this helps you



68,25=(9+12).h/2


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4 0
3 years ago
What’s the answer and give an explanation.
tino4ka555 [31]

Answer:

14 = x and 2.5 = y

Step-by-step explanation:

For ABCD - the top is 8 and the sides are 11. 11 minus 8 is 3. 11 plus 3 equals 14, that’s x.

For GHIJ - the bottom is 8 and both sides are 5.5. So 8 minus 5.5 is 2.5. That’s y.

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