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Ghella [55]
3 years ago
14

I got number 7 wrong can someone help me with the answer and the work

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
4 0
To figure out this problem break it down into steps.

We know that there are 1 - 25 or 25 cards in total, one card is taken out and not replaced so now there are only 24 cards.

25 - 1 = 24.

Find the probability of getting one number greater than 10, this would be all numbers from 10 - 25, which are 25 - 10 = 15 options to choose that will give you a value greater than 10.

Probability = 15/24 = 5/8.

For 2 cards simply multiply the probability by itself to get 2 cards where the number is greater than 10.

5/8 • 5/8 = 25/64.

The probability of getting 2 cards that are greater than 10, are 25/64.

This is the solution.







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ipn [44]

Solving for x...
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Times the \frac{1}{2} , both the numerator and denominator, by 8 to get the denominator to 16.
Times the \frac{1}{4} , both the numerator and denominator, by 4 to get the denominator to 16.

Then rewrite the problem, 
\frac{8}{16}x+ \frac{4}{16} =  \frac{15}{16}

now that the denominators are all the same, you can solve...
subtract the \frac{4}{16} from both sides

you should get \frac{8}{16} x =  \frac{11}{16}

Multiply both sides by 16 (it'll cancel both the 16 out making it go away)
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divide each side by 8 to have the x alone

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</u>      8      8 
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3 years ago
What is the sum of the rational expressions below?<br><br> X/x-1+3x/x+2
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Step-by-step explanation:

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8 0
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Resolve into factors: 81a3 + 3b3
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Step-by-step explanation:

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Exact Form:

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Step-by-step explanation:

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6 0
3 years ago
What is the volume of this cube with a side length of 6 centimeters?
slega [8]
<h3>✽ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ✽</h3>

➷ volume = length x width x height

In a cube, all sides are the same size

Substitute in the values:

volume = 6 x 6 x 6

Solve:

volume = 216cm^3

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

6 0
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Read 2 more answers
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