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Rudik [331]
3 years ago
6

Please help me anyone help ?!!!!!!

Mathematics
1 answer:
Andre45 [30]3 years ago
6 0
Its c the line meets right a -3
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They estimate that their current (older) fridge, which they got for free, costs them about $17 a month in electricity charges to
Eddi Din [679]

Step-by-step explanation:

Step one:

given

current (older) fridge

electricity charges= $17 monthly

maintenance costs= $220

let the number of months be x

and the total cost be yo

the expression for the cost for the old fridge is

yo=220+17x---------1

New  fridge

electricity charges= $6 monthly

costs=  $1,050

let the number of months be x

and the total cost be yn

the expression for the cost for the old fridge is

yn= 1050+6x---------2

Hence the system of equation for the situation is

yo=220+17x---------1

yn= 1050+6x---------2

Step two

for 10 years there are 12*10= 120 months

put x= 120 in both expressions and compare the total

yo=220+17(120)---------1

yo=220+2040

yo=$2,260

yn= 1050+6(120)---------2

yn=1050+720

yn=$1770

<u><em>Based on the analysis it will be less expensive to get the new fridge, hence buying the new fridge is worth it.</em></u>

3 0
3 years ago
The kinetic energy (in joules ) of a moving object can be calculated from the expression 1/2mv to the second power, where m is t
yulyashka [42]

E = 1/2 m v^2

E = 1/2 (0.145) (40)^2

E = 0.0725 x 1600

E = 116 kg m^2/s^2

1 joule = 1 kg m^2/s^2

so here E in joules is 116 joules

so E = 116 joules

7 0
3 years ago
There are 500 computers in an office building. The IT manager randomly chose 40 computers to be inspected for viruses. Of those
Aleksandr [31]

Answer:

The correct answer is 15%

Source: Just took quiz and got it correct


4 0
3 years ago
Read 2 more answers
What is -8/12 in decimal form
Degger [83]
-0,666666666666666666666667
3 0
3 years ago
Ex What factors do 12 and 24 have in common? 1, 2, 3, 4, 6, 12​
mestny [16]

Answer:

1, 2, 3, 4, 6, 12

Step-by-step explanation:

All these numbers are common factors of 12 and 24 because you can divide each one by all of the factors

ex. 12/3 = 4

24/3 = 8

if you don't get a decimal answer, then it is a factor of these numbers

6 0
3 years ago
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