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ivolga24 [154]
3 years ago
10

Solve: 4x-19-x what is the value if X? pls explain if u can

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
3 0
3x-19
Collect like terms and u have your solution
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When a book of 100 pages is opened, the sum of the facing page numbers can be divided by 5, the quotient is a product of 3 and 7
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Sum means the result of addition.
Quotient means the result of division.
Product means the result of multiplication.

The product of 3 and 7 is 21, because:
3 × 7 = 21

Therefore, the quotient is 21.

Let the sum of the facing page numbers = x:
Therefore, x/5 = 21
Rearranging the equation to find x (the sum of the facing page numbers) gives us:
x = 21 × 5
= 105
So the sum of the facing page numbers is 105.

The only two adjacent numbers which add up to 105 are 52 and 53, so the facing page numbers must be 52 and 53.
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3 years ago
A cable is 30 meters long. How long is the cable in decimeters? Be sure to include the correct unit in your answer.
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One metre=10 decimetres.
Therefore 30 metres = 30*10=300 decimetres.
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At the zoo there were 3 times as many monkeys as lions ton counted a total of 24 monkeys and lions how many monkeys were there
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72 Lions. 24 monkeys. Combined it's 96
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Jayda takes her dog Rolo to obedience training once each week. Jayda bought a box of
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) Suppose that an urn contains 7 green, 8 red, and 9 yellow balls. You pick a ball at random and replace it. You then do this 9
IrinaVladis [17]

Title:

<h2>The required probability is 2.336\times 10^{-5} = 0.00002.</h2>

Step-by-step explanation:

In the urn, there are total (7 + 8 + 9) = 24 balls.

We are taking 10 balls out of the urn with replacement.

In each tern, we have overall 10 choices to chose 1 ball.

If we <u>want to get a green</u>, there are 7 choices each time.

Similarly, 8 choices each time for getting a red and 9 choices each time for getting a yellow ball.

The probability of getting green 2 times, red 3 times, and yellow 5 times is \frac{7^2 \times8^3\times9^5}{(24)^{10}} = 2.336 \times 10^{-5}.

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3 years ago
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