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Firlakuza [10]
3 years ago
13

If r◼s = 3r + s, find 4◼(2◼1).

Mathematics
1 answer:
eimsori [14]3 years ago
4 0

By definition of ◼, we have

2 ◼ 1 = 3•2 + 1 = 7

4 ◼ (2 ◼ 1) = 4 ◼ 7 = 3•4 + 7 = 19

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gulaghasi [49]
2^12 - 2^9 would equal 3,584 
3 0
3 years ago
Need help ASAP!!!( Algebra 1)
Sphinxa [80]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
Need help with geometric sequences <br> 30 points
NeTakaya

Answer:

a_{n} = 6(5)^{n-1}

Step-by-step explanation:

The n th term of a geometric sequence is

a_{n} = a(r)^{n-1}

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8 0
3 years ago
If 3 pounds of apples costs $7.50, what is the unit rate for cost per pound? What will 9 pounds cost?
inna [77]

Answer:per pound would cost 2.50 and for nine pounds it would cost 22 dollars and 50 cent

Step-by-step explanation:

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3 0
3 years ago
3/4(8x-4)=7x+2, I need to find out the answer
laiz [17]

Answer: x = -5

Step-by-step explanation:

First convert 3/4 to decimal= 0.75

0.75 (8x - 4) = 7x + 2

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Transpose 7x from right hand side to the left hand side

6x - 7x = 2 + 3

-x = 5

x = -5

I hope this helps.

8 0
3 years ago
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