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VARVARA [1.3K]
3 years ago
7

Bernie’s estimated that 69% of 242 is 168 is her estimate reasonable

Mathematics
1 answer:
asambeis [7]3 years ago
7 0

Answer:

Yes it is.

Step-by-step explanation:

Best way is to use percentages you know when estimating.

We know 50% is half.

50% of 242 is 121.

So it has to be more than 121.

10% of 242 is 24.2  so add that to 121 and you get 145.2

You are 60% so far. You just need 9% more.

Add another 10% which is 24.2 and you get 169.4, which is over but we used 10% instead of 9% so the estimate is reasonable and close.

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garri49 [273]

Answer:

The answer would be (-2, -5)

Step-by-step explanation:

3x - 8y= 34

2(7x + 4y = -34)

3x - 8y=34

14x + 8y= -68

----------------------

     17x= -34    divided by 17

       x = -2

3(-2) -8y= 34

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   -8y= 40  divide by -8

      y = -5

if you want to check the answer replacing -2 for x and -5 for y

7(-2) + 4(-5)= -34

-14 + (-20) = -34

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I hope this help sorry I'm not good explaining

4 0
3 years ago
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dmitriy555 [2]

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7 0
3 years ago
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Step-by-step explanation:

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4 years ago
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Answer:

the right answer is -5 (B)

Step-by-step explanation:

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