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makvit [3.9K]
2 years ago
15

Factorise fully 6x + 9x cubed

Mathematics
2 answers:
o-na [289]2 years ago
6 0

Answer:

  • 3375x^3

Step-by-step explanation:

→ \left(6x\:+\:9x\right)^3

→ \left(15x\right)^3      [ add the x inside the bracket ]

→ 15^3x^3       [ remove the bracket ]

→ 3375x^3     [ final answer ]

Veronika [31]2 years ago
4 0

Answer:

3x(3x² + 2x)

Step-by-step explanation:

6x + 9x³

rearrange tribe

9x³ + 6x

factor by grouping

3(3x³ + 2x)

3x(3x² + 2x)

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Step-by-step explanation:

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3 years ago
At south side middle school 20% of the students play an instrument . There are 305 students . How many students play an instrume
bulgar [2K]
That's 20% of 305.
You could set up the problem as a ratio.
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3 0
4 years ago
Read 2 more answers
Georgia is 7 years younger than 5 times the age of her daughter, Veronica. Veronica will be 14 in 6 years. Part A
kobusy [5.1K]

Answer:

Veronica's age now =8 years

Step-by-step explanation:

Veronica's age now = x years

Georgia's age now = 5x  - 7

Veronica age after 6 year = 14

x + 6  = 14

       x  = 14 - 6

       x = 8 years

4 0
3 years ago
The graph below shows the amount of money that a student has in the bank at the end of each week.
storchak [24]

Answer:

The student will have 130 dollars in the bank at the end of week 11.

Step-by-step explanation:

Pattern:

The pattern given by this graphic is that:

For each passing week, the student will have $10 more in the bank than at the end of the previous week. So, following this pattern:

At the end of 6 weeks, he will have $80.

At the end of 7 weeks, he will have $90.

At the end of 8 weeks, he will have $100.

At the end of 9 weeks, he will have $110.

At the end of 10 weeks, he will have $120.

At the end of 11 weeks, he will have $130.

The student will have 130 dollars in the bank at the end of week 11.

7 0
3 years ago
1
nadezda [96]

Answer:

4 i think or -5 +1.........

7 0
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