4 years ago

K=am+3mx solve for m

Mathematics

1 answer:

klemol [59]4 years ago

7 0

M is equal to the value m

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From the sum of polynomials 3a2−ab−2b2 and 2a2+5ab−3b2 subtract polynomial a2−3ab−4b2.

malfutka [58]

Answer:

$4a^2+7ab-b^2$

Step-by-step explanation:

First, we will sum

$3a^2-ab-2b^2$

and

$2a^2+5ab-3b^2$

Then, from that sum, we will SUBTRACT $a^2-3ab-4b^2$

First, lets take the sum by combining like terms:

$(3a^2-ab-2b^2)+(2a^2+5ab-3b^2)=5a^2+4ab-5b^2$

Now, lets do the subtraction:

$(5a^2+4ab-5b^2)-(a^2-3ab-4b^2)\\=5a^2+4ab-5b^2-a^2+3ab+4b^2\\=4a^2+7ab-b^2$

This is the answer.

3 0

3 years ago

)The following data show the height, in inches, of 11 different plants in a garden: 9 4 10 9 5 2 22 10 3 3 5 After removing the

vaieri [72.5K]

Ur outlier is 22....so we will remove it.

now we find the mean (average) of the data set...
(9+4+10+9+5+2+10+3+3+5) / 10 = 60/10 = 6...this is ur mean

now we subtract the mean from every data value...and find its absolute value
9 - 6 = 3....| 3| = 3
4 - 6 = -2...|-2| = 2
10 - 6 = 4..|4| = 4
9 - 6 = 3....|3| = 3
5 - 6 = -1..|-1| = 1
2 - 6 = -4...|-4| = 4
10 - 6 = 4..|4| = 4
3 - 6 = -3...|-3| = 3
3 - 6 = -3...|-3| = 3
5 - 6 = -1...|-1| = 1

now we find the mean (average) of these numbers...that is ur MAD
(3+2+4+3+1+4+4+3+3+1) / 10 = 28/10 = 2.8

ur answer : on average, the height of the plant varies 2.8 inches from the mean of 6 inches

4 0

3 years ago

Read 2 more answers

How would cure this mark? And also will this mark get affected if the person use make up?

ipn [44]

Put some medication on it and no it will not get infected or affected if you use makeup.

6 0

3 years ago

If you had 16 bolts that each measure seven eights inches end to end how many feet long would the bolts be

Nostrana [21]

The answer is 1 1/6 feet.... this is because to find the number of inches all 16 bolts would measure, you would do: 7/8 *16=14 in.

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