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nydimaria [60]
2 years ago
5

3X^4.(-2X^3+5X^2-2/3X+1/3)

Mathematics
1 answer:
Stells [14]2 years ago
8 0

Answer:

-6x^7+15x^6-2x^5+x^4

Step-by-step explanation:

Hope this helps!

(:

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4 0
3 years ago
Cant find the answer
dedylja [7]

Answer:

Carter family = 25 hours

Davis family = 31 hours

Step-by-step explanation:

Let's say the number of hours the Carter family used their sprinkler is x and the number of hours the Davis family used their sprinkler for is y.

So combined:

x + y = 45 hours

and we are also told that:

40x + 15y = 1300 L

So we can do simultaneous equations to solve the problem.

With some rearranging, we can figure out that:

y= 45 - x

and by substituting that into the second equation:

40x + 15 (45 -x) = 40x + 675 - 15x = 1300L

25x = 1300 - 675

25x = 625

x = 25 = hours that the Carter family used their sprinkler

and we can substitute that back into the original equation to find how many hours the Davis family used their sprinkler so:

25 + y = 56

y = 31

The Davis family used their sprinkler for 31 hours whilst the Carter family used their sprinkler for 25 hours.

7 0
2 years ago
NEED HELP ASAP PLEASE!
Ivan

Answer:

i think the answer is b

Step-by-step explanation:

5 0
3 years ago
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A man borrowed $8000. He paid $10100 after 9 months for the debt. What was the interest rate per annum?
Anastaziya [24]

Answer:

3.5%

Step-by-step explanation:

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I = Prt

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Ms. green earns $980 per week for 40 hours of work. she earns $1.5 times her hourly rate for working any hours over 40 hours in
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What's the question, exactly?
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