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Whitepunk [10]
3 years ago
14

Resolve into factors: 81a3 + 3b3

Mathematics
1 answer:
iren [92.7K]3 years ago
8 0

Answer: (3a+b)⋅(9a  2 −3ab+b2 )

Step-by-step explanation:

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Mr. Johnston spends 2/3 of every year in Florida how many months does he spend in Florida each year
musickatia [10]

Answer:

8 months

Step-by-step explanation:

12/3 = 4, 1/3 is 4 so 1/3 + 1/3 = 2/3 or 8

6 0
2 years ago
Please I need help, JUST one problem.<br> I need to show my work please!!
lara31 [8.8K]

Answer:

proved that x=9

Step-by-step explanation:

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7x+2=5(x+4)

7x+2=5x+20

7x-5x=20-2

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7 0
3 years ago
I am stuck on how to do 10 percent of $55.86
faust18 [17]

Answer:

read step by step

Step-by-step explanation:

.10×55.86 = 5.58

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8 0
3 years ago
Solve a) 2(x+3)=x-4 b) 4(5x-2)=2(9x+3)
Nat2105 [25]

Answer:

a) -10 b) 7

Step-by-step explanation:

a) 2(x+ 3) = x - 4

2x + 6 = x - 4

2x - x = -6 - 4

x = -10

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20x - 8 = 18x + 6

20x - 18x = 6 + 8

2x = 14

x = 14/2

x = 7

5 0
3 years ago
Read 2 more answers
Rewrite the following linear equation in slope intercept form.<br> Y-5=3(x+1)
jarptica [38.1K]

Y=3x+8

Step-by-step explanation:

The slope is 3

Slope Intercept form is Y=Mx=b

5 0
3 years ago
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