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aleksandrvk [35]
3 years ago
9

How do I solve and graph this

Mathematics
1 answer:
White raven [17]3 years ago
5 0
I hope this helps you out

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the first term of an arithmetic sequence is 10 and the sum of the first five terms is 250,find the sequence​
Crazy boy [7]

Answer:

The  sequence  is:

10, 30, 50, 70, 90.....................

Step-by-step explanation:

We have,

First term (a) = 10

Common difference (d) = ?

Sum of first 5 terms (S_{5}) = 250

or, \frac{n}{2} [{2a+(n-1)d}] = 250

or, \frac{5}{2} [2*10 + 4d]=250

or, \frac{5}{2} * 4[5+d]=250

or, 10(5 + d) =250

or, 5 + d = 25

∴ d = 20

Now,

2nd term = a + d = 10 + 20 = 30

3rd term = a + 2d = 10 + 2*20 = 10 + 40 = 50

4th term = a + 3d = 10 + 3*20 = 10 + 60 = 70

5th term = a + 4d = 10 + 4*20 = 10 + 80 = 90

8 0
3 years ago
PLEASE HELP!!!<br> Fill in the blanks problem<br> (please view both attachments)
WINSTONCH [101]

angle 5 = angle 1 = Corresponding Angles Postulate

angle 6 + angle 5 = 180 =  linear pair postulate

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3 years ago
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7.238/1000 using power of ten rules
Sophie [7]

Answer: 69.38

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3 years ago
Solve : 6 yards 9 feet 4 inches times 2
devlian [24]
Multiply all the numbers by 2 first, so 12 yards 18 ft 8 in. After that, you simplify. There are three feet in a yard, so in eighteen feet there are 6 yards. That makes 18 yards and 8 in
5 0
2 years ago
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I need help plz help me
MissTica

Answer:

a+2b

Step-by-step explanation:

2(a+2b)-a-2b

2a+4b-a-2b

=a+2b

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2 years ago
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