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Anestetic [448]
3 years ago
10

If 9 is subtracted from a certain number and the difference is divided by 3, the result is 1 more than

Mathematics
1 answer:
Butoxors [25]3 years ago
4 0

Answer:

Let the number be x.

(x-9)/3= (x/7)+1

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

Cross multiplying

7x-63= 3x+21

4x= 84

x= 42

Hope this will help :-)

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3 years ago
ACCORDING to the rate of electricity charge, the minimum charge up to 20 unit is Rs 80 and the cost per unit from 21 units to 25
azamat

Answer:

180

Step-by-step explanation:

let x = total units of electricity after 250 units

the total units of electricity consumed can be determined using the formula below

80 + 7.3x = 1248

7.3x = 1248 - 80

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divide both sides of the equation by 7.3

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160

6 0
2 years ago
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sergejj [24]

Answer:

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Step-by-step explanation:

To find the slope

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    = ( 9 - -2)/(1 - -8)

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6 0
2 years ago
Find an explicit formula for the arithmetic sequence -2,-14,-26,-38,...
slava [35]

Answer:

-12

Step-by-step explanation:

We can just try and find what works! since we can subtract 12 from -2 and get -14, we might try subtracting 12 every time. After we test it out, we see that is is correct!

6 0
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Please help me get this answer right
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