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Sever21 [200]
3 years ago
9

Which function describes the arithmetic sequence shown? 1, 7, 13, 19, 25, 31, ...

Mathematics
1 answer:
Taya2010 [7]3 years ago
3 0

Answer:

a(n) = a(1) + 6(n -1)

Step-by-step explanation:

The common difference here is 6.  1 + 6 = 7; 13 + 6 = 19; and so on.

Thus, the function in question is a(n) = a(1) + 6(n -1).

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Roman55 [17]

Answer:

Step-by-step explanation:

27 ÷ 90 = 0.3 = 0.30 = 30%

7 0
3 years ago
After 5 tests Dara's average score was 88 what score must she average on the next two tests to have a seven-test average of 90?
Tomtit [17]

After 5 tests, her average was 88. To have a seven-test average of 90, the total must be:

90 \times 7 = 630

Her average after 5 tests was 88. Her total score on the 5 tests is:

88 \times 5 = 440

Subtract:

630-440 = 190

Find the average by dividing by 2:

190 \div 2 = 95

Her average must be 95

3 0
3 years ago
The distance from Gary's school to the corner market is 47 yards.The distance to the BART station is 12 times as far How far is
andre [41]

Answer:

The distance from Gary's school to  the BART station is 564 yards

Step-by-step explanation:

Let

x ----> the distance  from Gary's school to the corner market

y ----> the distance from Gary's school to  the BART station

we have

x=47\ yd

we know that

To find out the distance from Gary's school to  the BART station, multiply the distance from Gary's school to the corner market by 12

so

y=12x

substitute the value of x

y=12(47)=564\ yd

therefore

The distance from Gary's school to  the BART station is 564 yards

8 0
3 years ago
Last year, Mollie collected 64 pieces of candy while trick or treating. This year her costume is so fabulous that people were ex
never [62]

Answer:

79.6875 % If you can round, please do.

Step-by-step explanation:

5 0
3 years ago
Help me on number problem 5 please
Aleksandr-060686 [28]

Answer:

x = 10

Step-by-step explanation:

If f(x) equals 3x-7 and also equals 23, then you can set 3x-7 equal to 23

3x - 7 = 23

3x = 30

x = 10

5 0
3 years ago
Read 2 more answers
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