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densk [106]
3 years ago
12

Find the common ratio of the geometric sequence -7,-14,-28

Mathematics
2 answers:
kati45 [8]3 years ago
8 0

Answer:

2

Step-by-step explanation:

Aneli [31]3 years ago
7 0

Answer:

2

Step-by-step explanation:

To find the common ratio, take the second term and divide by the first term

-14/-7 = 2

Check by dividing the third term by the second term

-28/-14 = 2

The common ratio is 2

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10×+2=7 what is equal to 2x?
lakkis [162]
x in (-oo:+oo)

2/7 = 2*x // - 2*x

2/7-(2*x) = 0

2/7-2*x = 0

2/7-2*x = 0 // - 2/7

-2*x = -2/7 // : -2

x = -2/7/(-2)

x = 1/7

x = 1/7
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The first day of Sam's vacation was a Monday. What day of the week was the Day 36 of Sam's vacation?
makvit [3.9K]

Answer:

A. Monday

Step-by-step explanation:

The solution to this problem can be found by creating a table

If Day 1 was Monday, then

Mon    Tues      Wed      Thur    Fri      Sat      Sun

1              2           3             4        5        6          7

8             9           10           11        12       13        14

...............

We can see that the multiples of 7 are falling on Sundays so we will divide 36 by 7 to get the closest multiple of 7 to 36.

The closest multiple of 7 near 36 is 35 so Day 35th will fall on Sunday and Day 36 will be on Monday

Hence, Option A is the correct answer..

3 0
3 years ago
Hi please i need the complete step-by-step solution for number 5. thank you​
Nataliya [291]

Answer:

8

Step-by-step explanation:

( 12 + 3m ) / 2 = 18

12 + 3m = 18 x 2

12 + 3m = 36

3m = 36 - 12

3m = 24

m = 24 / 3

m = 8

5 0
2 years ago
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