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Semenov [28]
3 years ago
7

The nth term of a sequence is given by 12 - 5n. Write down the first 3 terms of the sequence.

Mathematics
1 answer:
zysi [14]3 years ago
6 0

Answer:

              \bold{a_1=7\,,\quad a_2=2\,,\quad a_3=-3}

Step-by-step explanation:

                                      a_n=12-5n\\\\\\a_1=12-5\cdot1=12-5=7\\\\a_2=12-5\cdot2=12-10=2\\\\a_3=12-5\cdot3=12-15=-3

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Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Math question down below
Kipish [7]
Answer: 6928

----------------------------------------------------------

Explanation: 

We have two areas we need to find: The area of the trapezoid and the area of the rectangle. Let's call these areas A1 and A2.

Area of Trapezoid = (height)*(base1+base2)/2
A1 = h*(b1+b2)/2
A1 = 80*(150+100)/2
A1 = 80*250/2
A1 = 20000
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Area of Rectangle = (length)*(width)
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Subtract the two areas (A1-A2) to get the difference D
D = A1 - A2
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D = 6928

This difference D is exactly equal to the shaded area. 


3 0
3 years ago
The circumference of one of the smaller circles is 12pie cm. Find the circumference of the larger circle.. . A. 12pie cm. B. 24p
Temka [501]
There exists a similar question that would lead to the relationship of the given circumference to the unknown value. The radius of the larger circle is 12 cm. The formula for determining the circumference is,
                                  C = 2πr
Substituting the known value,
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Thus, the answer is letter B. 
4 0
3 years ago
I’m confused on how to answer this question
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Answer:

i can do A for u

Step-by-step explanation:

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8 0
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Please help on this equation: 7s+20=4s-13. and please if you can, show your work. Thank You!
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s = -33/3
s = -11
6 0
3 years ago
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