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kiruha [24]
3 years ago
6

Please factorize this for me

Mathematics
2 answers:
madam [21]3 years ago
8 0

Answer


3b(3 - 4b)


Explanation

9b - 12b²

To factorize, you factor out what is common in both terms.

First, b is common in both terms. factor it out

9b - 12b² = b(9 - 12b)


3 is also common. factoring out we have,

9b - 12b² = b(9 - 12b)

= 3b(3 - 4b)

There no been any other factor, the answer is 3b(3 - 4b)

irinina [24]3 years ago
5 0
9b - 12b² factorised would be 3b(3 - 4b).

You can find this as you must first find a common factor between 9b and -12b², which would be 3b. We can then take this out of the bracket and divide both terms by 3b to get the final answer, which leaves us with 3b(3 - 4b).

I hope this helps!
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Kendra earns $70 per week mowing lawns. She saves 60% of the money she earns each week. How many weeks will it take Kendra to sa
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Answer:

5 weeks

Step-by-step explanation:

Let's find how much money she saves a week by multiplying the decimal form of 60% and $70.

To get the decimal form of a percent you have to move the decimal to the left twice, like this: 60 ---> .60

Now that we have the decimal form of the percent we can multiply it by the 70 to find how much she saves a week:

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Therefore, Kendra saves $42 each week.

To find how many weeks it will take Kendra to buy the game system you divide $210 by the $42. Like this:

(210)/(42) = 5

All in all, it will take Kendra 5 weeks to save enough money to buy a game system that costs $210.

<em>I hope this helps!!</em>

<em>- Kay :)</em>

<em />

4 0
3 years ago
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According to the question

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5 0
3 years ago
I’m stupid I don’t even know 5th grade math
Mamont248 [21]

Answer:

answer is 11 ma dude ;)

Step-by-step explanation:

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4 years ago
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