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Fudgin [204]
3 years ago
13

What is 2 6/7 - 5 4/7 =

Mathematics
2 answers:
Minchanka [31]3 years ago
8 0

Answer:

-19/7

Step-by-step explanation:

convert mixed number into improper fraction

20/7-5 4/7

20/7-39/7

subtract fractions

-19/7

eimsori [14]3 years ago
5 0
Subtract the fraction 6/7-4/7 is just 3/7-‘d then 2-6 is just -4, a negative so -4 3/7
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Oksana_A [137]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
The expression 2x−(2x+3)2+4(x−1)+x3 can be simplified into the form Ax3+Bx2+Cx+D. Find the missing constants A, B, C, and D belo
Talja [164]

Answer:

Step-by-step explanation:

Before solving this we  have to know that,

(-) ×(-)=(+)

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Lets solve now,

2x-(2x+3)2+4(x-1)+x^{3} \\2x-(2x-3)^{2} +4x-4+x^{3} \\2x-(4x^{2} -12x+9)+4x-4+x^{3} \\2x-4x^{2} +12x-9+4x-4+x^{3} \\2x+12x+4x-4x^{2} -9-4+x^{3} \\14x-4x^{2} -13+x^{3} \\\\So,\\x^{3} -4x^{2} +14x-13\\\\Therefore,\\A = 1\\B = (-4)\\C = 14\\D = (-13)

Hope this helps you

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4 0
3 years ago
How do you do Mean Absolute Deviation with 35 42,41,32,30?<br>​
IgorC [24]

Answer:

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22/5=4.4

Step-by-step explanation:

You can look it online but as quoted,

"Take each number in the data set, subtract the mean, and take the absolute value. Then take the sum of the absolute values. Now compute the mean absolute deviation by dividing the sum above by the total number of values in the data set. Finally, round to the nearest tenth." -IXL

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antiseptic1488 [7]

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Step-by-step explanation:

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5 0
3 years ago
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Zina [86]

Answer:

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Step-by-step explanation:

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