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Olenka [21]
3 years ago
6

Haley's work evaluating (-2) is shown below.

Mathematics
2 answers:
AveGali [126]3 years ago
7 0

Answer:

(-2)(-2)(-2)(-2)(-2)(-2)(-2)(-2) = 256

Step-by-step explanation:

Since there is an even number of negative numbers, the product is positive.

(-2)(-2)(-2)(-2)(-2)(-2)(-2)(-2) = 256

If this answer is correct, please make me Brainliest!

lilavasa [31]3 years ago
7 0

Answer:

(-2)(-2)(-2)(-2)(-2)(-2)(-2)(-2) = 256

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The mean absolute deviation for 1,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,5
antoniya [11.8K]

Answer:

7/10

Step-by-step explanation:

To find the MAD or mean of absolute deviation, we first have to find the mean.

Part I. Finding the mean.

To find the mean we add all the numbers up and divide it by the total number of numbers.

So we get:

(1+2+2+2+3+3+3+3+3+3+3+3+4+4+4+4+4+4+4+5) as our sum. This adds up to a total of 60. Since we have a total of 20 numbers, we divide 60 by 20 and get 3. So now we need to find the MAD.

Part II. Finding the MAD.

To find the MAD, we take the absolute value of the mean minus the numbers and divide that by the number of numbers. So we get the MAD to be 14/20 or 7/10.

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2 years ago
Five added to 3 times a number is equal to 8 less then 5 times the number
RSB [31]

The answer is C. 3x+5= 5x -8

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3 years ago
HELP ILL GIVE BRAINLIEST
Nikitich [7]

Problem 1

To begin with, Aldi has 0 mg of the medicine in his bloodstream.

Then Haidar gives her dog 150 mg of the medicine.

The day progresses along and at the end of the day, 40% of the medicine remains. So 0.40*150 = 60 mg remains.

At the start of day 2, Haidar gives another 150 mg dose. The 60 mg bumps up to 60+150 = 210 mg. This becomes 0.40*210 = 84 mg at the end of day 2.

At the start of day 3, she gives her dog yet another 150 mg dose. So the 84 increases to 84+150 = 234. This decays to 0.40*234 = 93.6 mg at the end of day 3.

Finally, at the start of day 4, the 150 mg dose bumps the 93.6 up to 93.6+150 =  243.6 mg, which then decays to 0.40*243.6 = 97.44 mg.

Here's a table to summarize everything

\begin{array}{|c|c|c|c|} \cline{1-4}
& \text{Start} & \text{When meds are given} & \text{End}\\ \cline{1-4}
\text{Day} & \text{x} & \text{y = 150+x} & \text{z = 40\% of y }\\ \cline{1-4}
\text{1} & \text{0} & \text{150} & \text{60}\\ \cline{1-4}
\text{2} & \text{60} & \text{210} & \text{84}\\ \cline{1-4}
\text{3} & \text{84} & \text{234} & \text{93.6}\\ \cline{1-4}
\text{4} & \text{93.6} & \text{243.6} & \text{97.44}\\ \cline{1-4}
\end{array}\\
\text{All values in the table are amounts in mg}

================================================

Problem 2

The first term is a_1 = 0 to indicate the dog has 0 mg of medicine in his bloodstream to start off with.

Then we add on 150 mg to that amount, and take 40% of the sum.

This indicates that a_2 = 0.40(150+a_1)

Similarly,

a_3 = 0.40(150+a_2)

and so on.

In general, we have this recursive definition

\begin{cases}
a_1 = 0\\
a_n = 0.40(150+a_{n-1})
\end{cases}

The a_n refers to the nth dose while a_{n-1} is the dose amount just before the nth dose.

This sequence is neither arithmetic nor geometric.

It's not arithmetic because we aren't adding the same number to each term to get the next term. It's not geometric because we aren't applying the same common ratio to multiply from term to term.

The mix of "plus 150" and "times 0.40" is almost like this is a hybrid of arithmetic and geometric respectively. However, it's not purely one or the other.

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Yes, it is an arithmetic Sequence. Can you explain the question just a tad more

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