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Ber [7]
2 years ago
5

19 books on a shelf. 8 of these books are new. The rest of them are used. What is the ratio of new books to used books

Mathematics
1 answer:
harkovskaia [24]2 years ago
5 0

Answer:

1:8

Step-by-step explanation:

You subtract 19 and 8, and you get 11 then you put them in ration form

Step-by-step explanation:

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What is C/a + 4 when a=2, and c= 10
tigry1 [53]

Answer:

4 and 10/2 so actually 9

Step-by-step explanation:

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Which counterexample shows that the conjecture "All animals that can fly are birds" is false?
QveST [7]
It seems like you forgot to post the answer choices. However, bats are one animal where they can fly but they aren't birds. So this is one counter-example to prove the claim false. Another example would be any flying insects. 
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A number is chosen at random from 1-50. find the probability of selecting composite numbers
Ganezh [65]
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What is the value of x? -2x + 8 = - 16
umka2103 [35]
Solve the equation
So first we subtract 8 from both sides because we apply the inverse operation.
-2x+8=-16
     -8      -8
Now we apply it and re write the equation
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Now the inverse operation for multiplication is division, so we apply it.
-2x=-24
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We are left with x=8
So our final answer is x=8

Check our work
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CORRECT ANSWER. :)
5 0
3 years ago
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Mercury is about 57,000,000 from the sun,whereas neptune is about 4.5 x 10 to the 9th power km from the sun. What is the differe
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Answer:

4,443,000,000 or 4.443 * 10^9 km.

Step-by-step explanation:

Neptune's distance from the sun = 4.5 * 10^9

=  4,500,000,000 km.

The required difference is

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= 4,443,000,000  or 4.443 * 10^9.

7 0
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