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exis [7]
3 years ago
10

M ∪ N = ____. {3, 4, 6, 7, 9} {3, 4, 5, 6, 8, 9} {2, 4, 6, 8}

Mathematics
1 answer:
Bezzdna [24]3 years ago
4 0
{3, 4, 6, 7, 9}????????????/



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Find the MEAN for the data set: 6, 2, 7, 3,2
shtirl [24]

Answer:

4

Step-by-step explanation:

To find MEAN, add up <em>all</em> the values in a data set and then divide by the <em>number</em> of values.

6+2+7+3+2 = 20

Number of values in data set: 5

20÷5= 4

6 0
2 years ago
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2x^2+3x+5=0<br> what are all the complex solutions?<br>please i need help!!!
vesna_86 [32]
You'll want to use the quadratic formula:

-b (+/-) sqrt(b^2 - 4ac), all divided by 2a.

Under the square root you'll get:

-11

remember that the square root of -1 is i.

sqrt(-11) can be factored to sqrt(11*-1) and then sqrt(-1) * sqrt(11)

which becomes i*sqrt(11)

so your complex solution is:

-3 (+/-) (i*sqrt(11)), all over 4
4 0
3 years ago
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Suppose your new business made a profit during the first year of $3000. If the profit increased 12% per year, find the total of
mariarad [96]

Answer:

Therefore the total of all profit earned by the end of of the the first 5 years is $19,058.542.

Step-by-step explanation:

To find total profit earned per year, we need to use the compound growth formula.

The compound growth formula:

A= P(1+r)^t

A= Amount after t years

P= initial amount

r= rate of growth

t= time in year.

Given that,

New business made a profit during the first year of $3000.

If the profit increased 12% per year.

Here P= $3,000 and r =12%=0.12 , t=1 years

Plugging all value in the above  formula:

A=3000(1+0.12)^1

   =3000(1.12)

  =$3360

Profit after 2 year is $3,360.

Now, P= $3,000 and r =12%=0.12 , t=3 years

A=3000(1+0.12)^2

   =3000(1.12)²

   =$3763.2

Similar the profit at 4 year is

A=3000(1+0.12)^3

   =3000(1.12)³

   =$4214.784

The profit at 5th year is

A=3000(1+0.12)^4

   =3000(1.12)⁴

   =$4720.558

Therefore the total of all profit earned by the end of of the the first 5 years is=$(3,000+3360+3763.2+4214.784+4720.558)

          =$19,058.542

6 0
3 years ago
Find the product <br> (r-9)(r+4)
AVprozaik [17]

Answer:

2r - 36

Step-by-step explanation:

r x r = 2r

-9 x 4 = -36

7 0
3 years ago
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1. Consider the following scenario...
Kitty [74]

Answer:

cheqq.com will help

Step-by-step explanation:

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3 years ago
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