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grigory [225]
4 years ago
9

The function d(x)=1375-110 represents the distance a high speed train is from its destination after x hours. How long does the t

rain travel before reaching its destination
Mathematics
1 answer:
aalyn [17]4 years ago
6 0
D(x)=1375-110x
when it reaches 0 it has reached destination
0=1375-110x
add 110x to both sides
110x=1375
divide both sides by 110
x=12.5
answer is 12.5 hour
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What is the distance between (9,-4) and (-22, 8)?
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Answer:

≈ 33.2 units

Step-by-step explanation:

Calculate the distance d using the distance formula

d = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = (9, - 4) and (x₂, y₂ ) = (- 22, 8)

d = \sqrt{(-22-9)^2+(8+4)^2}

   = \sqrt{(-31)^2+12^2}

   = \sqrt{961+144}

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\frac{2}{3}

Step-by-step explanation:

⅓×2

When multiplied by 2 will be;

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So you 2×1=2

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So the final answer will be;

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Total number of muffins = 12 muffins
Total number of people sharing muffin = 8

Muffins each person will receive = Total number of muffins
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