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iogann1982 [59]
2 years ago
11

Directions:Use the product rule to simplify the following monomials.

Mathematics
1 answer:
abruzzese [7]2 years ago
3 0

7) Answer = -24x^8y^{11}

\left(8x^4y^2\right)\left(-3x^4y^9\right)

=-8x^4y^2\cdot \:3x^4y^9

=-24x^4y^2x^4y^9

=-24x^8y^2y^9

=-24x^8y^{11}

8) Answer = -30y^6

2y\left(-5\right)y^2\cdot \:3y^3

=-30yy^2y^3

=-30y^{1+2+3}

=-30y^6

9) Answer = -6x^4y^5

\left(-2xy\right)\left(xy\right)\left(3x^2y^3\right)

=-2xyxy\cdot \:3x^2y^3

=-6xyxyx^2y^3

=-6x^4yyy^3

=-6x^4y^5

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3 0
3 years ago
Please Help!! (all three questions!)
Alecsey [184]

Hello there!

24. He had 10 cards at the start.

25. y = 24

26. c = 38

Let's solve each problem:

24.  So Charlie took away 4 and had 6 left, how many did he start with?

Add the 4 taken away back to what is left  - 6 + 4 = 10 So, he had 10 cards at the start.

25. -5y multiplied by what equals 120? To solve, divide 120 by -5. 120/-5 = -24, so y = 24.

26. What minus 11 equals 27? add 11 to 27 to solve. 27 + 11 = 38 so c = 38.

I hope this was helpful! Have a great (rest of your) day!

6 0
3 years ago
25-[2+5y-3(y+2)]=-3(2y-5)-[5(y-1)-3y+3]
masha68 [24]
25-[2+5y-3(y+2)]=-3(2y-5)-[5(y-1)-3y+3]  \\ 25-[2+5y-3y-6]=-6y+15-[5y-5-3y+3] \\ 25-2-5y+3y+6=-6y+15-5y+5+3y-3 \\ -2y+29=-8y+17 \\ 6y+29=17 \\ 6y=-12 \\ y=-2
Hope this helped :)
6 0
3 years ago
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