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2 years ago

Bill's favorite breakfast cereal is available in four different sizes. Which is the best buy?

Mathematics

2 answers:

Alex787 [66]2 years ago

8 0

Answer:

The best deal is the 18 ounce box

zhuklara [117]2 years ago

3 0

Answer:

the 18 ounce box is cheapest per ounce

Step-by-step explanation:

1. .28per ounce

2. .31per ounce

3. . 26per ounce

4. .25per ounce

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A group of friends has gotten very competitive with their board game nights. They have found that overall, they each have won an

Amanda [17]

Answer: $\mu_x=18\text{ hours}$

$\sigma_x=4\text{ hours}$

Step-by-step explanation:

We know that mean and standard deviation of sampling distribution is given by :-

$\mu_x=\mu$

$\sigma_x=\dfrac{\sigma}{\sqrt{n}}$

, where $\mu$ = population mean

$\sigma$ =Population standard deviation.

n= sample size .

In the given situation, we have

$\mu=18\text{ hours}$

$\sigma=6\text{ hours}$

n= 2

Then, the expected mean and the standard deviation of the sampling distribution will be :_

$\mu_x=\mu=18\text{ hours}$

$\sigma_x=\dfrac{\sigma}{\sqrt{n}}=\dfrac{6}{\sqrt{2}}=4.24264068712\approx4$ [Rounded to the nearest whole number]

Hence, the the expected mean and the standard deviation of the sampling distribution :

$\mu_x=18\text{ hours}$

$\sigma_x=4\text{ hours}$

7 0

2 years ago

P=100a÷t solve for a

pishuonlain [190]

a=1/100pt is the correct answer. First you had to multiply by t from both sides of equation, and it gave us, ⇒ $pt=100a$ . And then you had to flip an equation, and it gave us, ⇒ $100a=pt$ . You can also divide by one-hundred (100) from both sides of equation, and it gave us, $\frac{100a}{100}=\frac{pt}{100}$ . And finally, and it gave us the answer is a=1/100pt is the final answer. Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie

8 0

2 years ago

Read 2 more answers

What is the simplest form of RootIndex 3 StartRoot 27 a cubed b Superscript 7 Baseline EndRoot?

Vinvika [58]

Answer: $3ab\sqrt[3]{b^4}$

Step-by-step explanation:

Given the following expression:

$\sqrt[3]{27a^3b^7}$

You need to apply the Product of powers property, which states that:

$(a^m)(a^n)=a^{(m+n)$

Then, you can rewrite the expression as following:

$=\sqrt[3]{27a^3b^4b^3}$

The next step is to descompose 27 into its prime factors:

$27=3*3*3=3^3$

Now you must substitute $3^3$ inside the given root. Then:

$=\sqrt[3]{3^3a^3b^4b^3}$

You need to remember that, according to Radicals properties:

$\sqrt[n]{a^n}=a^{\frac{n}{n}}=a^1=a$

Therefore, the final step is to apply this property in order to finally get the expression is its simplest form. This is:

$=3^{\frac{3}{3}}a^{\frac{3}{3}}b^{\frac{4}{3}}b^{\frac{3}{3}}=3ab^{\frac{4}{3}}b=3ab\sqrt[3]{b^4}$

3 0

2 years ago

Read 2 more answers

The point R is halfway between the integers on the number line below and represents the number ____. (Use the hyphen for negativ

wariber [46]

Answer: - 2.5

Step-by-step explanation:

Using the attached number line has reference, the distance between each integer on the number line attached is 1, and the numbers are ordered in ascending order from - 10 to + 10. The point R exists in between the point marked - 2 and - 3 respectively. This shows that that point R is a number between the two integers, a number greater than - 3 but less than - 2.

From the picture attached the blue dot sits directly at the midpoint between - 3 and - 2. Hence the position can be a obtained by averaging the two integers.

(-3 + - 2) / 2 = - 5/2 = - 2.5

3 0

2 years ago

In each represent the common form of each argument using letters to stand for component sentences, and fill in the blanks so tha

arlik [135]

Answer:

$a \to b$

$\neg b$

$\neg a$

If all prime numbers are odd, then 2 is odd.

2 is not odd.

Therefore, it is not the case that all prime numbers are odd.

Step-by-step explanation:

Considering part A

The first sentence is

If all computer programs contain errors, then this program contains an error.

The second sentence is

This program does not contain an error.

The third sentence is

Therefore, it is not the case that all computer programs contain errors.

Now we will use a and b as the letter to denote the component sentences and $\neg a$ and $\neg b$ when the component sentences is not the case

So a = If all computer programs contain errors

and

b = this program contains an error.

Generally then is represented as $\to$

Hence the first sentence is denoted as

$a \to b$

The second sentence is represented as

$\neg b$

The third sentence is represented as

$\neg a$

So part a can be represented as

$a \to b$

$\neg b$

$\neg a$

Considering part B

Here the objective is to fill in the blank spaces so that the logic of the sentence in part b is as that in part a

Now comparing the second statement a and b

"This program does not contain an error" = "2 is not odd" = $\neg b$

Hence "this program contains an error." = "2 is odd" = b

Now comparing the third statement a and b

Therefore, it is not the case that all computer programs contain errors.

Therefore, it is not the case that all prime numbers are odd

$\neg a$

Hence

If all computer programs contain errors, = if all prime numbers are odd.= a

3 0

2 years ago