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PIT_PIT [208]
3 years ago
7

Find the nth term of the arithmetic

Mathematics
1 answer:
ale4655 [162]3 years ago
7 0

Answer:

3n -4

Step-by-step explanation:

We are adding 3 each time

-1+3 =2

2+3 = 5

The formula for an arithmetic sequence is

an = a1+d(n-1) where a1 is the first term and d is the common difference

an = -1+3(n-1)

    = -1 +3n -3

    = 3n -4

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An electric company charges a certain rate per kilowatt-hour (\text{kWh})(kWh)left parenthesis, start text, k, W, h, end text, r
Studentka2010 [4]

Step-by-step explanation:

The equation is given by :

63.25=800r+3.50

Here,

63.25 is the electric company charges

3.5 is an administrative fee

800 is charge per kilowatt hours

r is rate per kilowatt hour

In this proble, we need to tell that what does r represents. Hence, r shows kilowatt per hour.

We can solve it as follows :

63.25-3.5=800r+3.50-3.50 (Subtracting 3.50 to the both sides)

59.75=800r

r=\dfrac{59.75}{800}\\\\r=0.0746

8 0
3 years ago
Rewrite each equation in exponential form and evaluate.<br><br> Log5(625)^x=?
Savatey [412]
5^?=625^x, x=1/4

To rewrite in exponential form, the equation would be 5^?=625^x. From here, the bases need to be set equal. Since the fourth root of 625 is 5, the new equation becomes 625^1/4=625^x (625^1/4 is the same as the fourth root of 624). Now that the bases are the same, you can just solve for the variables, which become 1/4=x. Hope this helps :)
7 0
2 years ago
Using 3.14 for , what is the volume of the cylinder?
jek_recluse [69]
65.313 will be the answer

6 0
2 years ago
Spinner A and Spinner B have 4 color choices each: grey, orange, blue and yellow. What is the probability of getting a Blue and
anastassius [24]

Answer:

The probability of getting a Blue and Gray combination is 6.25%.

Step-by-step explanation:

Given that Spinner A and Spinner B have 4 color choices each: gray, orange, blue and yellow, to determine what is the probability of getting a Blue and Gray combination from the area model below, the following calculation must be performed:

Blue / Total: 1/4

Gray / Total: 1/4

1/4 = 0.25

0.25 x 0.25 = X

0.0625 = X

0.0625 x 100 = 6.25

Therefore, the probability of getting a Blue and Gray combination is 6.25%.

6 0
2 years ago
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On a coordinate plane, parallelogram A B C D has points (negative 3, 5), (1, 5), (5, 0), and (1, 0).
STALIN [3.7K]

Answer:

The answer is C. I got it right on edg.

Step-by-step explanation:

5 0
2 years ago
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