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Anna11 [10]
3 years ago
14

I'm helping my sister with her math homework and I'm stuck in this one... someone please help

Mathematics
1 answer:
ki77a [65]3 years ago
7 0
The answer could be 27 for the first 3 and 8 for the last one
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By selling an exhaust fan for Rs 1470,Mr Ekaraj gains 1/6 of its cost price. find its cost price.​
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Select ALL the correct answers,
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Step-by-step explanation:

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True or false the product of two integers with different signs can be positive or negative
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2 years ago
Dustin bought 3 shirts and a belt. Each shirt cost the same amount of money, and the belt cost $22.50. If the total amount Dusti
Dvinal [7]
3x+22.5 = 69.75
    -22.5    -22.5

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8 0
3 years ago
Solve for x: −2x + 5 < 7
hoa [83]
-2x + 5 < 7

-2x + 5 < 7
<u>        -5     -5   </u>       deduct 5 from both sides
-2x       < 2
<u>÷ -2        ÷ -2  </u>       divide both sides by negative 2. Because of the division 
 x          > -1          using a negative number, the sign is then reversed.
                             from < it becomes >.

The value of x should be greater than -1. It can be 0, 1, 2, so on... 

To check: Revert back to the original sign which is <.

x = 1
-
2x + 5 < 7
-2(1) + 5 < 7
-2 + 5 < 7
3 < 7
7 0
3 years ago
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