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ser-zykov [4K]
3 years ago
6

Help pls!!!!!!!!!!!!!!!!1

Mathematics
2 answers:
kherson [118]3 years ago
7 0
No i would not help
shtirl [24]3 years ago
3 0
Help with a sentence or a small answer
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A person can order a new car with a choice of 9 possible​ colors, with or without air​ conditioning, with or without automatic​
Andrej [43]

Answer:144

Step-by-step explanation:

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3 years ago
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3. Consider the sequence,-8, -5, -2, 1, ...
Naddik [55]

Answer:

a) a_n=3\,n-11

b) a_{20}=49

c) term number 17 is the one that gives a value of 40

Step-by-step explanation:

a)

The sequence seems to be arithmetic, and with common difference d = 3.

Notice that when you add 3 units to the first term (-80, you get :

-8 + 3 = -5

and then -5 + 3 = -2 which is the third term.

Then, we can use the general form for the nth term of an arithmetic sequence to find its simplified form:

a_n=a_1+(n-1)\,d

That in our case would give:

a_n=-8+(n-1)\,(3)\\a_n=-8+3\,n-3\\a_n=3n-11

b)

Therefore, the term number 20 can be calculated from it:

a_{20}=3\,(20)-11=60-11=49

c) in order to find which term renders 20, we use the general form we found in step a):

a_n=3\,n-11\\40=3\,n-11\\40+11=3\,n\\51=3\,n\\n=\frac{51}{3} =17

so term number 17 is the one that renders a value of 40

5 0
3 years ago
Miguel an 2 of his friends share 7 rice cakes equally.
svlad2 [7]
7 ÷ 2 = 3.5 or 3 and 1/2
3 0
3 years ago
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What is the midpoint of a line segment with the endpoints (8 -3) and (-5 -9)
Nadya [2.5K]

Answer:

(1.5, -6)

Step-by-step explanation:

To find the x coordinate of the midpoint

(x1+x2)/2 = (8+-5)/2 = 3/2 = 1.5

To find the y coordinate of the midpoint

(y1+y2)/2 = (-3+-9)/2 = -12/2 = -6

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3 years ago
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Which of the following sets of numbers could not represent the three sides of a right<br> triangle?
umka21 [38]

Answer:

{48, 64, 81}

Step-by-step explanation:

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