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snow_tiger [21]
3 years ago
10

What is the mean absolute deviation (MAD) of the set [10, 15, 18, 8, 4]

Mathematics
1 answer:
lianna [129]3 years ago
5 0
5 is the answer you are looking for
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6. Let A and B be nxn matrices . Compute (A + B) (A + B). Explain all steps.
Pie

Answer:

(A+B)(A+B)=A.A+B.A+A.B+B.B

Step-by-step explanation:

Given that matrices A and B are nxn matrices

We need to find (A+B)(A+B)

For understanding the multiplication of matrices let'take A is mxn and B is pxq matrices,we can multiple only when n=p,so our Ab matrices will be mxq.

We know that that in matrices AB is not equal to BA.

Now find  

(A+B)(A+B)=A.A+B.A+A.B+B.B

So from we can say that (A+B)(A+B) is not equal to A.A+2B.A+B.B because AB is not equal to BA in matrices.

So (A+B)(A+B)=A.A+B.A+A.B+B.B

4 0
3 years ago
Tamica is making a fruit salad. She spends $3.30 on 6 kiwis, $8.40 on 3 pounds of grapes and $8.54 for 7 bananas.
Ludmilka [50]

Answer: how come you don't know the answer what grade are you in

6 0
3 years ago
Read 2 more answers
Can someone help me PLEAS
slavikrds [6]

Answer:

D

Step-by-step explanation:

An irrational number is a number that cannot be expressed as a fraction for any integers and. . Irrational numbers have decimal expansions that neither terminate nor become periodic

6 0
2 years ago
I need help finding this answer because I am pretty sure it’s C but I don’t know
malfutka [58]

Answer: A) -9

Step-by-step explanation:

If x = -2

Then 3^{x} = 3^{-2}

So, it is -9

5 0
2 years ago
Solve for x. Round to the nearest tenth, if necessary.<br> S<br> 9<br> х<br> Q<br> 75°<br> R
ivann1987 [24]
Trigonometry:

Sine 75 = x/ 9
x = 9 Sine 75
x = 8.7
8 0
3 years ago
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