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Pani-rosa [81]
2 years ago
7

In Lixue's garden, the green pepper plants grew 5 inches in 34 month. At this rate, how many feet can they grow in one month? (L

et 5 inches = 512 feet)
Mathematics
1 answer:
grin007 [14]2 years ago
6 0

Answer:

22/3 feet

Step-by-step explanation:

In Lixue's garden, the green pepper plants grew 5 inches in 3/4 month.

We need to find how many feet can they grow in one month.

Let 5 inches = 5 1/2 feet

It means,

The growth in 3/4 month = 5 inches = 11/2 feet

Growth in 1 month = \dfrac{\dfrac{11}{2}}{\dfrac{3}{4}}=\dfrac{22}{3} feet

So, it will grow 22/3 feet in a month.

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Gabriel makes a model of a pyramid with the dimensions shown. A square pyramid. The square base has side lengths of 12 inches. T
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The area of the square base is 114 in. 2

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In a sample of 100 steel canisters, the mean wall thickness was 8.1 mm with a standard deviation of 0.5 mm. Someone says that th
Travka [436]

Answer:

This statement can be made with a level of confidence of 97.72%.

Step-by-step explanation:

We are given the following information in the question:

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Standard Deviation, σ = 0.5 mm

Sample size, n = 100

We are given that the distribution of thickness is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

Standard error due to sampling:

=\dfrac{\sigma}{\sqrt{n}} = \dfrac{0.5}{\sqrt{100}} = 0.05

P(mean thickness is less than 8.2 mm)

P(x < 8.2)

P( x < 8.2)\\\\ = P( z < \displaystyle\frac{8.2 - 8.1}{0.05})\\\\ = P(z < 2)

Calculation the value from standard normal z table, we have,  

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This statement can be made with a level of confidence of 97.72%.

8 0
2 years ago
Given the first type of plot indicated in each pair: which of the second plots could not always be generated from it? a. dot plo
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Answer:

C

Step-by-step explanation:

Dot plot is usually in the form of stem & leaf. The only difference is that, stem& leaf presents the actual values while dot plot usually represent the value in dots. Hence, we can easily generate dot plot from stem & leaf!

For (a) dot plot and box plot, dot plot presents all the data while box plot presents only the five-num statistics, namely:

1. minimum

2. 1st quartile (Q1)

3. median

4. 3rd quartile (Q3)

5. Maximum

And outliers, if any!

Thus, dot plot cannot directly generate box plot

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3 0
2 years ago
Mackin Investing charges its customers a 1% commission. The Ross Group, a discount broker, charges $25 per trade. For what amoun
olchik [2.2K]

Answer:

The amount of stock for which both brokers would charge the same commission is $2500.

Step-by-step explanation:

i) Let the amount of stock to be traded be worth $x

ii) therefore for both the brokers to charge the same commission we can write

   1% of x  = $25 \RIghtarrow\Rightarrow  0.01 \times x  = 25  \therefore   x = \frac{25}{0.01}  = 2500

The amount of stock for which both brokers would charge the same commission is $2500.

5 0
1 year ago
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