A set of books has 6 fiction books and 2 non - fiction books. If x is the cost of a fiction book and y is the cost of a non - fiction book, then which expression can be used to determine the total cost of 3 sets of books? *

Answers

Answer 1

Answer:

Answer:

NLE Choppa Album Dropping January 14th

Step-by-step explanation:

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A carpenter added a diagonal brace to gate. The gate is 8ft. Wide and 10 ft. Tall. How long is the brace

Answers

Answer:

The brace is $2√(41)$ ft ≅ 12.806 ft long

Step-by-step explanation:

The length of the diagonal of a rectangle can be found using this rule

$d=\sqrt{l^(2)+w^(2)}$ , where

l is its length

w is its width

∵ The gate has shaped a rectangle

∵ Its length = 10 ft

∵ Its width = 8 ft

∴ l = 10 and w = 8

∵ The brace is the diagonal

→ By using the rule above

∴ $d=\sqrt{(10)^(2)+(8)^(2)}=√(100+64)=√(164)$

∴ The length of the brace = $2√(41)$ ≅ 12.806 ft

∴ The brace is $2√(41)$ ≅12.806 ft long

Can someone help please

Answers

I would say C because you multiply 3 x H then 3 x4 I think this is the right answer but I'm not so sure though Hope it helped sort of - Ashlynn

I would also say C.
3*4=12
thats all i did :)

The area A of a circle is given by the formula: A = pie r ² If the radius of the circle is 7 inches, find the area of the circle

Answers

Answer:

49 pi in^2 or approximately 153.86 in^2

Step-by-step explanation:

A = pi r ²

Let r = 7

A = pi 7 ²

A = 49 pi

If we approximate pi by 3.14

A is approximately 153.86 in^2

The answer is about 153.938

You deposited $500 into a bank account that has an annual compound interest rate of 3.5%. How much money will be in the account after 3 years?

Answers

Answer:

500*(3,5/100)=15

15*3=45

Step-by-step explanation:

Chaque année tu gagnes 3,5% de la somme que tu as mis sur ton compte, ici 500€ donc chaque année tu gagnes 3,5% de 500€. On obtient 15, ce qui signifie que chaque année tu reçois 15€ d'intérêt.

Or nous on cherche combien avons nous d'intérêt pour 3 ans . Nous avons juste à multiplier 15 par 3 pour obtenir combien d'intérêt avons nous obtenus en 3 ans.

You and your friends pick up seven movies to watch over a holiday. You have time to watch only two. In how many ways can you select the two to watch?

Answers

Answer:

There are 21 ways to select the two movies to watch.

Step-by-step explanation:

In mathematics, the procedure to select k items from n distinct items, without replacement, is known as combinations.

The formula to compute the combinations of k items from n is given by the formula:

${n\choose k}=(n!)/(k!(n-k)!)$

It is provided that there are n = 7 movies to watch.

But we only have time for k = 2.

Compute the total number of ways in which we can select 2 movies from 7 as follows:

${7\choose 2}=(7!)/(2!(7-2)!)$

$=(7!)/(2!* 5!)\n\n=(7* 6* 5!)/(2!* 5!)\n\n=(7*6)/(2* 1)\n\n=21$

Thus, there are 21 ways to select the two movies to watch.

Luca is planning to pay the restaurant bill for his coworkers. The bill was $193.75. A 4% tax was then added by the waiter. If Luca wants to leave a 16% tip on the total amount including the tax, how much should Luca pay? A)$201.50
b)$217.50
c)$224.75
d)$233.74

Answers

The amount of bill before tax = $193.75
Percentage of tax added by the waiter = 4%
Amount of tax added by the waiter = (4/100) * 193.75 dollars
= 775/100 dollars
= 7.75 dollars
Total bill after tax = (193.75 + 7.75) dollars
= 201.50 dollars
Percentage of tips that Luca wants to give = 16%
Amount of tips that Luca wants to give = (16/100) * 201.50 dollars
= 32,24 dollars
The total amount that Luca needs to pay = (201.50 + 32.24) dollars
= 233.74 dollars
The correct option among all the options that are given in the question is option "d".

the answer is B. $233.74 i got it right on the test

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