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Alona [7]
3 years ago
15

Simplify (ab + 10 + a) - (6ab x 6ab - 2ab + 8)

Mathematics
1 answer:
zepelin [54]3 years ago
4 0

(ab + 10 + a) - (6ab × 6ab - 2ab + 8)

= ab + 10 + a - 6ab x 6ab + 2ab - 8

= ab + 10 + a - 36a²b² + 2ab - 8      <em>combine like terms</em>

= -36a²b² + (ab + 2ab) + a + (10 - 8)

= -36a²b² + 3ab + a + 2

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Which is greater 1.56 or 1.29
ruslelena [56]

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<u>1.56 is greater than 1.29</u>. (Check after the decimal point, 5 is greater than 2, so 1.56 is greater than 1.29)

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What is 3(x+3)+7x= ?
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10x+9

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If you are using a calculator, simply enter 65÷100×1140 which will give you 741 as the answer.

4 0
3 years ago
a plane averaged 400 mph on a trip going east, but only 280 mph on the return trip. The total flying time in both directions was
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1400 miles

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Speed is the time rate of change of distance. It is the ratio of distance to time and is given by the equation:

Speed(S) = \frac{distance(d)}{time(t)}\\ S=\frac{d}{t}

plane averaged 400 mph on a trip going east, but only 280 mph on the return trip.

The time spent (t₁) in going east is given by:

S=\frac{d}{t_1}\\ t_1=\frac{d}{S} =\frac{d}{400mph}

The time spent (t₂) in going east is given by:

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Therefore the one way distance is 1400 miles

7 0
3 years ago
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