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inysia [295]
3 years ago
13

What is 7/19 + 3/19 + 8/19

Mathematics
1 answer:
mezya [45]3 years ago
6 0

Answer:

18/19

Step-by-step explanation:

since the denominator is the same you would just add the top numbers

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Permutations of the word "Congratulations"​
Mice21 [21]

Answer:

There are 15 letters, but if the two A's must always be together, that's the same as if they're just one letter, so our "base count" is  14! ; note that this way of counting means that we also don't need to worry about compensating for "double counting" identical permutations due to transposition of those A's, because we don't "count" both transpositions. However, that counting does "double count" equivalent permutations due to having two O's, two N's, and two T's, so we do need to compensate for that. Therefore the final answer is  14!/(23)=10,897,286,400

5 0
2 years ago
Please see the photo. It's not 4 or 6.
Verdich [7]

Answer:

x = 9

Step-by-step explanation:

The product of the external part and the entire part of one secant is equal to the product of the external part and the entire part of the other secant, that is

5(x - 6 + 5) = 4(x - 3 + 4)

5(x - 1) = 4(x + 1) ← distribute parenthesis on both sides

5x - 5 = 4x + 4 ( subtract 4x from both sides )

x - 5 = 4 ( add 5 to both sides )

x = 9

4 0
3 years ago
Read 2 more answers
A book had a lenght of 5 inches and a width of 10 inches. What is the area of the book
babunello [35]

Answer:

50

Step-by-step explanation:

7 0
3 years ago
Please help me now!<br><br> I will give brainly
olga2289 [7]
1) 15
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7 0
3 years ago
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Identify the system of equations used to solve the following problem. A laboratory employee is mixing a 10% saline solution with
irakobra [83]
I think with the kinds of mixture problems, it's really helpful to make a table.

The equations you actually need are x + y = 500 and 0.1(500-y)+0.04y=30. Since I was so close, I went ahead and just solved it anyway. You can see my setup on the attached image.

7 0
3 years ago
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