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d1i1m1o1n [39]
3 years ago
7

Find the common ratio of the geometric sequence 18,-90,450,...

Mathematics
2 answers:
Harlamova29_29 [7]3 years ago
7 0

Answer:

-5

Step-by-step explanation:

The common ratio is what you have to multiply one term by to get the next term.

so:

18 \times r  = -90\\-90 \times r = 450

where r is the common ratio

We can solve these equations:

-90 / 18 = -5

450/-90 = -5

therefore the common ratio is -5

svetlana [45]3 years ago
3 0

Answer:

try looking it up on socratic

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A line passes through the point (9,-7) and has a slope of 4/3
lara31 [8.8K]

Answer:

y+7 = 4/3(x-9)

Step-by-step explanation:

Point slope form of an equation of a line is

y-y1 = m(x-x1) where (x1,y1) is the point and m is the slope

y--7 = 4/3(x-9)

y+7 = 4/3(x-9)

7 0
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Lana71 [14]

Answer:

-27/5

Step-by-step explanation:

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3 years ago
A worker work for just 3 days in a one month and his 1 month salary is 4380 what is the 3 days pay ?
lozanna [386]

Answer:

$505.385

Step-by-step explanation:

Given that:

Worker's one month salary is 4380

The number of working days in the month is not given ; However the average number of working days in a month usually range from 22 to about 26 days

Lets assume the number of working days for the firm in question is 26 days

Daily salary will be calculated as :

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3 days salary :

168.46153 * 3

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8 0
3 years ago
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Answer:

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Step-by-step explanation:

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Find the length of Jl.<br> JI=2x - 6<br> KJ=2x - 15 <br> KI=15
postnew [5]

Answer:

x=12

Step-by-step explanation:

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3 years ago
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