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noname [10]
4 years ago
12

Please help me!! will give you brainliest!!!

Mathematics
1 answer:
mezya [45]4 years ago
5 0
1. ( -1,2) is the same as (x=-1, y=2)
Substitute in your equation
y=3x-2
2=3•(-1)-2
2=-5 this is NOT true so (-1,2) is not a solution for the equation y=3x-2

2. (0,-2)
9x-6=3y
9(0)-6=3•(-2)
-6=-6 this is true so ( 0, -2) is a solution for the given equation
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3. Mr. Jones sold two pipes at $1.20 each. Based on the cost, his profit one was 20% and his loss on the other was 20%. On the s
Umnica [9.8K]
Solution:

<span>20 % profit on $ 1.20 </span>

= $ 20/100 × 1.20

= $ 0.20 × 1.20

<span>= $ 0.24 </span>

<span>Similarly, 20 % loss on $ 1.20 </span>

= $ 20/100 × 1.20

= $ 0.20 × 1.20

= $ 0.24

Therefore, in one pipe his profit is $ 0.24 and in the other pipe his loss is $ 0.24.

Since both profit and loss amount is same so, it’s broke even.

<span>Answer: (a)</span>
7 0
3 years ago
Hi can someone help me with this pls
Mama L [17]

Answer:

b

Step-by-step explanation:

6 0
3 years ago
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Goryan [66]

Answer:

the answer for this is:

subtract 7 from 4 to get -3

you then have 2^-3

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Step-by-step explanation:

6 0
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Mumz [18]

Answer:

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Step-by-step explanation

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Karen wrote a six digit number that only has one 8 in it . Kim also wrote a six digit number. The 8 in karens number is worth 10
Dahasolnce [82]

the 8 could be tens spot, Hundreds spot, Thousands ... till the end for karens spot

Step-by-step explanation:

Sorry if im wrong.

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