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Lerok [7]
3 years ago
14

Researchers make a one-sample zzz interval to estimate the proportion of adults who would say they learned something new in the

past month. Previous studies have suggested that about 40\%40%40, percent would answer "yes" to this question. The researchers plan on using a confidence level of 95\%95%95, percent, and they want the margin of error to be no more than \pm 5\%±5%plus minus, 5, percent.
Mathematics
1 answer:
neonofarm [45]3 years ago
6 0

Answer:

369

Step-by-step explanation:

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A car traveled at an average rate of 51 miles per hour on one highway. It then traveled at an average rate of 71 miles per hour
grandymaker [24]
3 miles
51 \times 3 = 153
71 \times 5 = 355
355 + 153 = 508
3 0
3 years ago
Translate the word phrase into a variable expression. Five more than the product of x and 6. A. (x + 6) + 5 B. 5x + 6 C. 6x + 5
Nata [24]
I believe the answer is A (x+6)+5
5 0
4 years ago
Read 2 more answers
Factor out the GCF from the terms of the polynomial –4y5 + 6y3 + 8y2 – 2y.
WARRIOR [948]

Answer:

Step-by-step explanation:

For example if you have a function f(x) = x - 1, then x = 1 is a zero of this function because using it as x gives 1 - 1 = 0. The Riemann Zeta function has some zeros that are easy to find which are of little interest but there are some other ones that are harder to find which is why the are called non-trivial.

4 0
3 years ago
What is the value of x in the figure below? If necessary round your answer to the nearest tenth of a unit
Dmitry_Shevchenko [17]

Answer:

A

Step-by-step explanation:

Triangle ADC and Triangle BDA are similar. <em>So, we can setup ratios to solve for x.</em>

<em>Similar triangles has corresponding lengths proportional.</em>

<em />

From Triangle ADC, CD corresponds to DA, so

From Triangle BDA, AD corresponds to DB.

<em>Now we can write ratios as:</em>

<em>\frac{CD}{DA}=\frac{AD}{DB}\\\frac{15}{x}=\frac{x}{4}\\x*x=15*4\\x^2=60\\x=\sqrt{60} \\x=7.75</em>

<em />

<em>rounding to nearest tenth, 7.7</em>

correct answer is A

7 0
3 years ago
What is theoretical probability of pulling a green marble out of the bag?
BlackZzzverrR [31]
I believe the theoretical probability is 5/20. Or 25%.
6 0
3 years ago
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