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umka2103 [35]
3 years ago
15

Erynn glued k seashell on a photo frame. She made 5 such photo frames. How many seashells did she use?

Mathematics
1 answer:
salantis [7]3 years ago
3 0

Seashells glued on 1 photo frame = k

So, seashells glued on 5 photo frame

= Seashells glued on 1 photo frame × 5

= k × 5

= 5k

So, Erynn used 5k seashells.

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Buy My Shlong

Step-by-step explanation:

Eat my virginia

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2 years ago
Specialty t-shirts are being sold online for $30 each, plus a one-time handling fee of $2.25. The total cost is a function of th
atroni [7]

Answer:

it is $258

Step-by-step explanation:

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hope it help

7 0
3 years ago
A U.S. Travel Data Center survey of 500 adults found that 195 said they would take more vacations this year than last year. Cons
Lelechka [254]

Using the z-distribution, it is found that the 95% confidence interval for the true proportion of adults who said that they will travel more this year is (0.347, 0.433).

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of \alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which z is the z-score that has a p-value of \frac{1+\alpha}{2}.

195 out of 500 people said they would take more vacations this year than last year, hence:

n = 500, \pi = \frac{195}{500} = 0.39

95% confidence level, hence\alpha = 0.95, z is the value of Z that has a p-value of \frac{1+0.95}{2} = 0.975, so z = 1.96.

The lower limit of this interval is:

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The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.39 + 1.96\sqrt{\frac{0.39(0.61)}{500}} = 0.433

The 95% confidence interval for the true proportion of adults who said that they will travel more this year is (0.347, 0.433).

A similar problem is given at brainly.com/question/15850972

5 0
3 years ago
Which point represents (negative 6, StartFraction pi Over 12 EndFraction) ?
artcher [175]

Answer:

hello your question is incomplete attached below is the missing part

answer : point C

Step-by-step explanation:

The point that represents ( -6 , \frac{\pi }{12} ) is point C from the four points shown on the polar coordinate system

5 0
3 years ago
I need to know the answers at the first line right but I didn't get four of the other ones right
Lubov Fominskaja [6]
Explain what you need help on i dont really understand

3 0
3 years ago
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