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Vilka [71]
3 years ago
10

Avanti works in a bookstore. She has four books and is going to place them in two stacks. The diagram above shows the books befo

re they touch. Use the information in the diagram to answer the question. How did the temperatures of the four books compare before they touched? How will the temperatures of the two top books compare after the books have been touching for a while, and why?
WILL GIVE BRAINLIEST! I NEED ANSWER NOW! but answer has to have explanation and good response!

Mathematics
1 answer:
Usimov [2.4K]3 years ago
4 0

Answer:

Well they didn't transfer any energy when they weren’t touching and it did t produce any energy if it didn’t move. Since they are on top of each other they are causing momentum on each other creating kinetic energy

Step-by-step explanation:

:D hope this helps

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Pls help and show work
Artist 52 [7]
2 since it ends with two
6 since it is divisible by 2
3 since their sum gives a number divisible by three
3 since their sum gives a number divisible by 3
3
5 since it ends with 5
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5 0
4 years ago
Which is an expression to find the time in hours? d = 38 miles, r = 2 miles/hour A.38*2 B.38/2 C.38+2 D.38-2
Cerrena [4.2K]
Based from background knowledge, I believe that the correct answer among all of the given choices would be B.) 38/2. This would give you 19. If I am mistaken, please correct me. But I am definitely positive that this is the right answer.

I hope this is the answer you were looking for and that it helps!! :)
6 0
3 years ago
The possible ways to complete a multiple-choice test consisting of 19 questions, with each question having four possible answers
LekaFEV [45]
Let's say there were 3 questions with four answer choices each. That would mean there were 4*4*4 = 16*4 = 64 different ways to answer.

Extend this example out to 19 questions instead of 3. You'll get
4^19 = 4*4*4*...*4*4 = 274,877,906,944
The last value is one big number (not four numbers)
The large number is the answer

note: 4^19 means we have 19 copies of '4' being multiplied together. The three dots mean "continue the pattern". On your paper, you should somehow indicate to your teacher that there are 19 copies of '4' being multiplied.
4 0
3 years ago
Read 2 more answers
Find the least common denominator (LCD) for the fractions.
olganol [36]
The lowest common denominator of 6 and 10 is 30.
8 0
3 years ago
Read 2 more answers
Which of the following points is a solution to the system of equations x - y = 1 and -x + 3y = - 7?
kiruha [24]

Answer:

(-2,-3)

Step-by-step explanation:

Put the equations over each other.

\binom{x - y = 1}{ - x + 3y =  - 7 }

Subtract the x values.

\binom{ - y = 1}{3y =  - 7}

Subtract on both sides.

2y =  - 6

Divide on both sides.

y =  - 3

Insert the y value into one of the equations.

x - ( - 3) = 1

Get rid of the parenthesis.

x + 3 = 1

Subtract on both sides.

x =  - 2

<em>You</em><em> </em><em>could</em><em> </em><em>also</em><em> </em><em>individually</em><em> </em><em>plug</em><em> </em><em>in</em><em> </em><em>each</em><em> </em><em>solution</em><em> </em><em>into</em><em> </em><em>both</em><em> </em><em>equations</em><em> </em><em>to</em><em> </em><em>see</em><em> </em><em>if</em><em> </em><em>they</em><em> </em><em>are</em><em> </em><em>true</em><em>.</em>

7 0
2 years ago
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