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Effectus [21]
3 years ago
5

2y^3-18y^2+9y-81 Factor the polynomial completely

Mathematics
1 answer:
Mnenie [13.5K]3 years ago
6 0

Answer:

(y-9)(2y^2 +9)

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In the equation 32-b=3b-8
Marrrta [24]

Answer:

10

Step-by-step explanation:

32-b=3b-8

32+8=3b+b

40=4b

b=10

4 0
2 years ago
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3(-x -5) i need help on this.
den301095 [7]

Answer:

-3x-15

Step-by-step explanation:

you use the distributive property. So it would be 3 times -x and 3 times -5 so you get -3x-15.

5 0
2 years ago
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Help !!!!
svp [43]
The mean of the data is 11

now we find the difference between the mean and each number
1, 2, 3, 0.5, 0.25, 1.25, 1. 

now we square the numbers 
1, 4, 9, 0.25, 0.0625, 1.

now we find the mean of the new numbers
which is 2.1875

2.1875 is your standard deviation.

6 0
2 years ago
9x+6=3(3x+2)<br><br> help fasttttttttttttttttttttttt
zalisa [80]

Answer:

0

Step-by-step explanation:

9x+6=9x+6

-9x-6

0

5 0
3 years ago
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I = Prt
Olegator [25]

Answer:

r=3.5\%

Step-by-step explanation:

we know that

The simple interest formula is equal to

I=P(rt)

where

I is the Final Interest Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem we have

t=5\ years\\ P=\$1,200\\ I=\$210\\r=?

substitute in the formula above

210=1,200(5r)

solve for r

r=210/6,000

r=0.035

convert to percentage (multiply by 100)

r=3.5\%

6 0
3 years ago
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