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xeze [42]
2 years ago
10

The tables show the battery lives (in hours) of two brands of laptops. Which brand's battery lives are more spread out? Explain​

Mathematics
1 answer:
GalinKa [24]2 years ago
7 0
Absolute Mad Deviation is used to see how spread out data is, you find the mean of data then subtract the mean from each number (absolute value) and then find the mean with the subtracted numbers.
Brand A MAD: 2.6925
Brand B MAD: 1.05
It’s Brand A :)
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Solve The equation and check the solution expressed numbers as integers or simplified fractions
Lelechka [254]

Answer: m = - \frac{1}{40} \\

Step-by-step explanation:

I know this because I'm built different (FR FR This answer is correct)

8 0
3 years ago
Find mPMA + mCMT. Please help..
juin [17]

PMA = 37

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For which intervals the graphs of the functions f(x) = x^3 + x^2 - 4x - 4 is positive
Nookie1986 [14]

Step-by-step explanation:

Consider a function

f

(

x

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which is twice differentiable. The graph of such a function will be concave upwards in the intervals where the second derivative is positive and the graph will be concave downwards in the intervals where the second derivative is negative. To find these intervals we need to find the inflection points i.e. the x-values where the second derivative is 0.

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3 years ago
The area of the square is 144 square inches. What is the area of the circle, to the nearest square inch? Use 3. 14 for
Ainat [17]
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8 0
2 years ago
Tim and Jane both work for a company that sells boxes of breakfast cereal. the boxes of cereal cost £3.00 and the amount of cere
Alenkasestr [34]

Answer:

25%

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now,

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and

25% of 1 box of cereal = 25% of 160 g which is

= \frac{25}{100} \times 160 g= 40 g

As per the question,  it is mention that Jane need her idea to give the equal value of amount as Tim's idea, provided

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and

1 g of cereal will cost

=  \frac{3}{60}\ pounds

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So, the percentage of \frac{3}{4} the pound is of 3 pounds is 3 ÷ 4 ÷ 3 × 100

= 25%

Therefore as the situation, Jane need to decline the amount by 25% for the same amount as Tim's idea.

3 0
3 years ago
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