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Reika [66]
3 years ago
10

there are 5 times as many fiction books in the class library as there are nonfiction books. the number of information books is 7

more than the sum of the number of fiction and nonfiction books. there are 19 information books in the library. how many nonfiction books are there? how may fiction books are there?
Mathematics
1 answer:
algol [13]3 years ago
7 0

Answer:

um

Step-by-step explanation:

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A musician kept track of the concert arenas on this year's tour and found that 60% of the arenas were sold out. Of those that we
tensa zangetsu [6.8K]

Answer:

6%

Step-by-step explanation:

First, let's break this down:

60% of arenas sold out

  • 90% had been on previous tour

Out of those arenas that did NOT sell out

  • 25% had been on previous tour

We want to know the joint relative frequency of area that were sold out AND NOT on the previous tour schedule, therefore all the information about areas that did NOT sell out is irrelevant.

Because 90% of the areas that were sold out had been on the previous tour, 10% had NOT been on the previous tour.

Therefore, considering all the arenas, 10% of 60% of the arenas were sold out and not on the previous tour.

Let <em>x</em> equal the total number of arenas:

(.10)(.60)x=0.06x

Convert to percent

6%

Therefore, the joint relative frequency of sold out arenas that were not on the previous tour is 6%.

5 0
1 year ago
8 inch by 6 inch retangular photo inside a 10 inch by 8 inch rectangular fram how much greater is the perimeter of the frame
Flura [38]

The perimeter of frame is 1.29 greater

Step-by-step explanation:

Perimeter of a rectangular shape object is given by the formula;

2(l+w) when, l is length and w is width

Perimeter of the photo is;

2(8+6)= 2(14) =28 inches

Perimeter of the frame is;

2(10+8)= 2(18) =36 inches

Divide perimeter of frame by that of photo as;

36/28 =1.29

The perimeter of frame is 1.29 greater

Learn More

Perimeter of rectangular shaped object:brainly.com/question/12919591

Keywords : rectangular, photo, inside, frame, greater

#LearnwithBrainly

7 0
4 years ago
A gas measuring 525 mL is collected at 104.66 kPa. What volume does this gas
Olegator [25]

Recall the ideal gas law:

<em>P V</em> = <em>n R T</em>

where

<em>P</em> = pressure

<em>V</em> = volume

<em>n</em> = number of gas molecules

<em>R</em> = ideal gas constant

<em>T</em> = temperature

If both <em>n</em> and <em>T</em> are fixed, then <em>n R T</em> is a constant quantity, so for two pressure-volume pairs (<em>P</em>₁, <em>V</em>₁) and (<em>P</em>₂, <em>V</em>₂), you have

<em>P</em>₁ <em>V</em>₁ = <em>P</em>₂ <em>V</em>₂

(since both are equal to <em>n R T </em>)

Solve for <em>V</em>₂ :

<em>V</em>₂ = <em>P</em>₁ <em>V</em>₁ / <em>P</em>₂ = (104.66 kPa) (525 mL) / (25 kPa) = 2197.86 mL

3 0
3 years ago
!! WILL MARK BRAINLIEST!
Lana71 [14]

Answer:

the debt ratio remains the same

8 0
2 years ago
Please help! 10 points &lt;3
anygoal [31]

Answer: 2 i'm not sure

7 0
3 years ago
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