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Alchen [17]
3 years ago
6

Which expression is equivalent to 4x - (3x2 + x) + 5 - (2x2 + 1)?

Mathematics
1 answer:
creativ13 [48]3 years ago
6 0
4x - (3x^2 + x) + 5 - (2x^2 + 1)

4x + x - 3x^2 - 2x^2 + 5 + 1

= 5x - 1x^2 + 6

Therefore the equivalent is 5x - 1x^2 + 6
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1.5kg of rice cost 9.60 find the price of 1 kilo of rice
sleet_krkn [62]
1.5 kg of rice ... 9.60
1 kg of rice ... x = ?

If you would like to know the price of 1 kg of rice, you can calculate this using the following steps:

1.5 * x = 9.60 * 1
1.5 * x = 9.6    /1.5
x = 9.6 / 1.5
x = 6.40

The correct result is 6.40.
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4 years ago
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4 0
3 years ago
Find the value of X. pls help me
bogdanovich [222]

Answer:

x=7

Step-by-step explanation:

As seen from the higher two numbers, there is a distinct ratio between the shorter side and the longer side. To find the ratio we simply get the given two without the x and we get 8:12 which simplifies to 2:3 or 1: 1.5

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