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Katarina [22]
3 years ago
8

What's the answer to this

Mathematics
2 answers:
marta [7]3 years ago
6 0
A i think it’s the correct answer
scZoUnD [109]3 years ago
3 0
The answer is A because
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Janice is thinking of two numbers. She says that two times the first number plus the second number is 47. In​ addition, the firs
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Let the numbers be x and y, then
2x + y = 47 . . . (1)
x + 3y = 56 . . . (2)

(2) x 2 => 2x + 6y = 112 . . . (3)

(1) - (3) => -5y = -65 => y = -65/-5 = 13
From (2), x + 3(13) = 56 => x = 56 - 39 = 17

The two numbers are 13 and 17.
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3 years ago
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which data set has a variation, or mean absolute deviation, similar to the data set in the given dot plot
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3 years ago
What is 1 1/4 plus 2 2/4?
Ivan
1 +\frac{1}{4} +2\fra{2}{4} =\frac{1}{4} +\frac{2}{4} +1+2 =\frac{1+2}{4} + 3= 3+ \frac{3}{4}=\boxed{\bf{3\frac{3}{4}}}
4 0
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