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cluponka [151]
3 years ago
6

*ANSWER CORRECTLY FOR MARK AS BRAINILISTE*

Mathematics
1 answer:
kkurt [141]3 years ago
5 0

Answer: The Mean absolute deviation is 5. The mean is 10.

2 is 8 away from the mean.

5 is 5 away from the mean.

9 is 1 away from the mean.

10 is 0 away from the mean.

17 is 7 away from the mean.

19 is 9 away from the mean

Step-by-step explanation:

Hope this helps!

pls mark brainliest :)

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Answer the questions below about the quadratic function.f(x) = -2x² - 4x
Juli2301 [7.4K]

We are given the function below;

f(x)=-2x^2-4x

PART A

We then proceed to find if the function has a minimum or maximum value. To find if the function has a minimum or maximum value. If the x^2 coefficient is positive, the function has a minimum. If it is negative, the function has a maximum.

ANSWER: From the above, we can see that x^2 is negative, hence the function has a maximum

PART B and C

To find the minimum or maximum value, we would plot the graph of the f(x). The graph can be seen below.

From the graph, the black point helps answer part A and part B.

ANSWER: The function's maximum value is f(x)=2.

This is the point where the slope of the graph is equal to zero

ANSWER: The maximum value then occurs at x= -1

We can also solve this by differentiating the function.

\begin{gathered} f(x)=-2x^2-4x \\ f^{\prime}(x)=-4x-4 \\ At\xi maxmum\text{ }f^{\prime}(x)=0 \\ -4x-4=0 \\ -4x=4 \\ x=-\frac{4}{4} \\ x=-1 \\ \therefore\text{The max}imum\text{ value occurs at x=-1} \\ \text{Inserting the value of x into the function, we have} \\ f(x)=-2(-1)^2-4(-1) \\ f(x)=-2+4 \\ f(x)=2 \\ \therefore\text{The function max}imum\text{ value is 2} \end{gathered}

5 0
1 year ago
A=7.5<br> B=30<br> C=15 square of 2<br> D= 15
Inessa [10]

I think the awnser is B=30

5 0
2 years ago
Simplify <br> 3xy + 5x + 2 + 3y + x +4
lukranit [14]

Answer:

3xy+6x+3y+6

Step-by-step explanation:

This it simplified not ANSWERED

4 0
2 years ago
Read 2 more answers
Can you guys help me?
fiasKO [112]
16.
1/2= 0.5 and it takes 16 months to get to 8 inches.
0.5x16=8
8 0
3 years ago
Read 2 more answers
As a general rule, the sampling distribution of the sample proportions can be approximated by a normal probability distribution
OLga [1]
C cause it’s the right answer
7 0
3 years ago
Read 2 more answers
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