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Pachacha [2.7K]
3 years ago
5

Please help me by the way this is a 2 mark question from mathswatch​

Mathematics
1 answer:
BigorU [14]3 years ago
3 0

Answer:

y = - 13, y = 13

Step-by-step explanation:

Given

y² = 169 ( take the square root of both sides )

y = ± \sqrt{169} = ± 13

Since 13 × 13 = 169 and - 13 × - 13 = 169

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John is about to roll a six sided, fair number cube 60
sukhopar [10]

Answer:

No it is not a good prediction. Theoretical probability says that the answer would be 30 of the 60 (30/60) rolls would be even numbers.

Step-by-step explanation:

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I hope this was helpful :-)

7 0
2 years ago
Read 2 more answers
Solve -1 < x + 1 ≤ 6
andrey2020 [161]

Answer:

-2<x≤5

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-1<x+1≤6 So fisrt what every we do to one side we must do to the other. In this case it's a bit different since we are dealing with inequalities.

-1<x+1≤6 I would start off by isolating x in the middle.

-1<x+1≤6 I subtracted 1 from all three sides.

-1     -1   -1

Now your equation should look like this:

-2<x≤5  Now there is really nothing much we can do here since we were just trying to get x by its self.

Answer : -2<x≤5

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Answer:

Step-by-step explanation:

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