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Masteriza [31]
3 years ago
11

You own a comic book store. When you order comic books for your store to sell, you get 18 comic books per bundle. How many comic

books would you have to sell if you ordered 7 bundles?
Mathematics
2 answers:
Andreas93 [3]3 years ago
4 0

Answer:

the answer is 126

Step-by-step explanation:

beacuse if you sell 7 bundles for every one you get 18 so 18+18+18+18+18+18+18=126

SpyIntel [72]3 years ago
3 0

Answer:

126 books

Step-by-step explanation:

There are 18 books per bundle and 7 bundles

So you would multiply 7 with 18 and get your answer of 126 books to sell

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The student body President of a high school claims to know the names of at least 1000 of the 1800 students at the school. To tes
hoa [83]

Answer:

The 99% confidence interval for p in this case is (0.3317, 0.5883).

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

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

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

Randomly selects 100 students from the school and asks the President to name each one. The President is able to correctly name 46 of the students.

This means that:

n = 100, \pi = \frac{46}{100} = 0.46

99% confidence level

So \alpha = 0.01, z is the value of Z that has a pvalue of 1 - \frac{0.01}{2} = 0.995, so Z = 2.575.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.46 - 2.575\sqrt{\frac{0.46*0.54}{100}} = 0.3317

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.46 + 2.575\sqrt{\frac{0.46*0.54}{100}} = 0.5883

The 99% confidence interval for p in this case is (0.3317, 0.5883).

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%7B3%7D%5E%7B5%7D%20%20%5Ctimes%20%20%7B3%7D%5E%7B7%7D%20%20%5Ctimes%20%20%7B3%7D%5E%7Bx%7D%20
Irina-Kira [14]

Answer:

The answer is x= -10

3 0
3 years ago
I'm confused<br>What is the answer?​
forsale [732]

If <em>c</em> > 0, then <em>f(x</em> - <em>c)</em> is a shift of <em>f(x)</em> by <em>c</em> units to the right, and <em>f(x</em> + <em>c)</em> is a shift by <em>c</em> units to the left.

If <em>d</em> > 0, then <em>f(x)</em> - <em>d</em> is a shift by <em>d</em> units downward, and <em>f(x)</em> + <em>d</em> is a shift by <em>d</em> units upward.

Let <em>g(x)</em> = <em>x</em>. Then <em>f(x)</em> = <em>g(x</em> + <em>a)</em> - <em>b</em> = (<em>x</em> + <em>a</em>) - <em>b</em>. So to get <em>g(x)</em>, we translate <em>f(x)</em> to the left by <em>a</em> units, and down by <em>b</em> units.

Note that we can also interpret the translation as

• a shift upward of <em>a</em> - <em>b</em> units, since

(<em>x</em> + <em>a</em>) - <em>b</em> = <em>x</em> + (<em>a</em> - <em>b</em>)

• a shift <em>b</em> units to the right and <em>a</em> units upward, since

(<em>x</em> + <em>a</em>) - <em>b</em> = <em>x</em> + (<em>a</em> - <em>b</em>) = <em>x</em> + (- <em>b</em> + <em>a</em>) = (<em>x</em> - <em>b</em>) + <em>a</em>.

6 0
3 years ago
Draw a model to subtract 2 2/5 -1 8/10
Igoryamba

See picture for reply and solution steps.

6 0
3 years ago
Mrs.Brown gives two tests to her class. 30% of the class passed both tests and 45% of the class passed the first test. What perc
viktelen [127]

Answer:

25%

Step-by-step explanation:

100%-30%=70%

70%-45%=25%

7 0
3 years ago
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