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yarga [219]
3 years ago
12

i need help i hvae done everything but i dont know what i did wrong i did £11.40-£20=£8.60 but it says its wrong how?

Mathematics
2 answers:
Sati [7]3 years ago
8 0

Answer:

£11.43

Step-by-step explanation:

£2.65x2=£5.12

£1.15×3=£3.45

£5.12+£3.45=£8.75

£20.00-£8.75=£11.43

The mistake was in the first line of your answer, you multiplied by 3 instead of 2.

Licemer1 [7]3 years ago
3 0

Answer: It said <u>2</u> chickens, not 3.

Also, when you got your final answer, you have to subtract it from 20, because you want to find the change.

Step-by-step explanation:

This is the mistakes I saw, and I mentioned them above. :)

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babunello [35]

Here the graph y=x²

Taking the 1st derivative here of the y it will be

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That is m=2x

so x=-1/6

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3 years ago
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Vera_Pavlovna [14]
It has been given that y varies inversely with x, therefore the equation for this relationship is as follows;
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7 0
3 years ago
Consider the 20 points of a 4×5 grid. You randomly choose two points from the 20 points. What is the probability that the two po
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Answer:

The probability of both points falling in the same row or column is 7/19, or approximately 37%

Step-by-step explanation:

The easiest way to solve this is to think of it rephrased as "what is the probability that your second point will be in the same row or column as your first point".  With that frame of reference, you can simply consider how many other points are left that do or do not fall in line with the selected one.

After selecting one, there are 19 points left.

The row that the first one falls in will have 3 remaining empty points.

The column will have 4 remaining empty points.

Add those up and you have 7 possible points that meet the conditions being checked.

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Step-by-step explanation:

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Step-by-step explanation:

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