Mr. Hann is trying to decide how many new copies of a book to order for his students. Each book weighs 6 ounces.Which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces?

Answers

Answer 1

Answer: The answer that only made sense to me is (0,0)

Answer 2

Answer: x + 6y x being the number of books he orders, considering you have no idea how many books he need this remains x. the information you do know is every book weighs 6oz. this is your y value.

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Write the number of permutations in factorial form. Then simplify, how many different ways can you and six of your friends sit in your assigned seats in math classA)6!; 120
B)6!;720
c)7!;2,520
D) 7!;5,040

Answers

Answer: D) 7!;5,040

Step-by-step explanation:

Given: The number of friends = 7

Permutations says that the number of different ways of arranging r objects out of n objects is given by ;-

$^nP_r=(n!)/((n-r)!)$

By permutations the number of different ways they can sit is given by :-

$^7P_7=(7!)/((7-7)!)=(7!)/(0!)\n\n=7*6*5*4times3*2*1\n\n=5,040$

Therefore, the different ways can you and six of your friends sit in your assigned seats in math class = 5,040.

You and 6 of your friends. Total of 7 people.

The answer is D.) 7! ; 5,040

The arithmetic mean (A) of two numbers (a and b) is given by the formula A=a b2, and their geometric mean (G) is given by G=ab−−√. Their harmonic mean (H) is given by the formula G=AH−−−√. Which formula correctly gives H in terms of a and b?

Answers

Answer:

$H = (2ab)/(a+b)$

Step-by-step explanation:

As per the given statement:

The arithmetic mean (A) of two numbers (a and b) is given by the formula:

$A = (a+b)/(2)$ .....[1]

and

their geometric mean (G) is given by :

$G = √(ab)$ .....[2]

Their harmonic mean (H) is given by the formula:

$G = √(AH)$

Squaring both sides we get;

$G^2 = AH$

Substitute the given values we have;

$(√(ab))^2 =(a+b)/(2) \cdot H$

⇒ $ab = (a+b)/(2) \cdot H$

Multiply by 2 both sides we have;

$2ab = a+b \cdot H$

Divide both sides by a+b we have;

$(2ab)/(a+b) =H$

$H = (2ab)/(a+b)$

Therefore, the formula correctly gives H in terms of a and b is, $H = (2ab)/(a+b)$

$G=√(AH) \n G^2=(√(AH))^2 \nG^2=AH \nH=(G^2)/(A) \n \n A=(a+b)/(2) \hbox{ and } G=√(ab) \n \Downarrow \nH=(G^2)/(A)=((√(ab))^2)/((a+b)/(2))=(ab)/((a+b)/(2))=ab * (2)/(a+b)=(2ab)/(a+b) \n \n\boxed{H=(2ab)/(a+b)}$

A function is created to represent the amount of money in your checking account. What restrictions would be made to the domain?-The domain would include all real numbers.* -The domain would only include positive integers. -The domain would only include positive numbers. -The domain would only include integers. I am thinking that it could also be negative. Thank you for any and all help!

Answers

Answer:

B. The domain would only include positive integers.

C. The domain would only include positive numbers.

Step-by-step explanation:

We are given a function that represents the amount of money in the checking account.

As, the function contains the amount of money in the account, the domain cannot have negative values.

So, the domain cannot include all real numbers and it cannot include only integers.

Therefore, the domain can include positive numbers and therefore, it can also include positive integers.

Hence, B and C are correct.

The answer I got was D. (now I'm just typing to make 20 characters) blah blah blah

What is the correct word form of 3.051

Answers

The correct word form is three and fifty one thousandths. OR hundredths. Can't remember.

Three point zero five one.

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Answers

For $10 y^(3) , 4y^(6) , -18y$
The common factor;
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Find the value of k, if (1, -1) is a solution of the equation 3x-ky = 8. Also, find the coordinates of another point lying on its graph.

Answers

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Another point lying on the graph is (6,-2)

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