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Bess [88]
2 years ago
15

.William sold half of his comic book collection and then purchased 10 more . He now has 24 comic books period how many books did

William begin with?
Mathematics
2 answers:
Assoli18 [71]2 years ago
8 0

Answer:

28 books

Step-by-step explanation:

Let x represent the number of books .William owned before anything happens

x/2 + 10 = 24

2(x/2 + 10) = 2(24)

x + 20 = 48

x = 48 - 20

x = 28

skad [1K]2 years ago
6 0

Answer:

28

Step-by-step explanation

subtract 10 by 24.multiply 14 by 2 and there's your answer hope this helps

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1. Find the lengths of the diagonals of rectangle QRST , Given that QS = 6X+3 and RT = 8X-1
Greeley [361]

Answer:

1. QS and RT= 15

2. Im not positive but I think it's TQ=18

Step-by-step explanation:

For question 1, you would do 6x+3=8x-1 and solve to get the result of x=2

Then you'd plug in 6 and get QS and RT=15

For the second one I am unsure because I wasn't positive how to solve but it seems like the side RQ might be 1/2 of TQ. Sorry if thats wrong I can try and help more if you need

5 0
3 years ago
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In two or more complete sentences, explain what additional information is needed to prove triangle CES congruent to triangle RST
11Alexandr11 [23.1K]
<span>We already know that angles ECS and TRS are congruent, because they are both right angles (given). We also know that angles CSE and RST are congruent because they are vertical angles and vertical angles are always congruent. That gives us two sets of congruent angles. We just need to know something about one pair of sides to prove the two triangles congruent to each other. I do question the order of the letters in the names of the triangles--if that's really the order the letters are written in the problem, then we would need to know that ES is congruent to RT or that CS is congruent to ST. If the order of the letters of the names of the triangles is a little different we would need to know that CS is congruent to RS or that any of the other sides that appear to match are actually congruent. </span>
3 0
2 years ago
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Factor 6X to the fourth power minus 5X squared +12 X squared -10 by grouping what is the resulting expression
algol13

Answer:

(6x^2 - 5)(x^2 + 2).

Step-by-step explanation:

6x^4 - 5x^2 + 12x^2 - 10

= 6x^4 + 12x^2 - 5x^2 - 10

= 6x^2(x^ + 2) - 5(x^2 + 2)

(x^2 + 2) is common so we have:

(6x^2 - 5)(x^2 + 2).

5 0
3 years ago
What is the area of this figure?
Ugo [173]

Answer:

11610

Step-by-step explanation:

First you do the top rectangle which the area for that is 144 which is 4 times 4 times 3 times 3.

Then you do the middle rectangle which the area is 441 which is 7 times 7 times 3 times 3.

Then you do the last rectangle which the area is 11025 which is 15 times 15 times 7 times 7.

Then lastly you add all three areas which is 144+441+11025=11610. So therefore, the answer is 11610.

4 0
3 years ago
Ggggggggggggggggggggg
den301095 [7]

Answer:

yes

Step-by-step explanation:

repeatedly type g's on your keyboard or phone

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