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Lostsunrise [7]
3 years ago
6

Help find the distance between two points?

Mathematics
1 answer:
miv72 [106K]3 years ago
7 0

Answer:

4

Step-by-step explanation:

Calculate the distance using the distance formula

d = √ (x₂ - x₁ )² + (y₂ - y₁ )²

with (x₁, y₁ ) = B(0, 0) and (x₂, y₂ ) = (\frac{\sqrt{6} }{2}, \frac{\sqrt{58} }{2} )

AB = \sqrt{((\frac{\sqrt{6} }{2})^2 } + \{(\frac{\sqrt{58} }{2})^2 }

= \sqrt{\frac{6}{4} } + \frac{58}{4}

= \sqrt{\frac{64}{4} }

= \sqrt{16}

= 4

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Giving that ai +bj 5i-2j are perpendicular find the value of a if b=3​
Nonamiya [84]

Answer:

a = \frac{6}{5}

Step-by-step explanation:

Given

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ai + 3j and 5i - 2j are perpendicular, then

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6 0
3 years ago
1. Enrico sold a 10-pound box of assorted chocolates. Some of the chocolates in the box sold
N76 [4]

This shows that about 7 and 3 pounds of each chocolate were included in the mixture.

Let the number of pounds of both chocolates be x and y.

If Enrico sold a 10-pound box of assorted chocolates, hence;

x + y = 10 ................. 1

If some of the chocolates in the box sold  for $1.75 per pound and some sold for $2.00 per pound with mixture sold for $1.90 per pound, then:

1.75x + 2x = 1.90 ................ 2

Solve equations 1 and 2 simultaneously.

x + y = 10 ................. 1 * 20

17.5x + 20x = 19 ................ 2 * 1

____________________________

20x + 20y = 200

17.5x + 20x = 19

Subtract

20x - 17.5x = 200 - 19

2.5x = 181x = 7.24

Substitute 7.24 into 1

x  + y = 10

y = 10 - 7.24

x = 2.76

This shows that about 7 and 3 pounds of each chocolate were included in the mixture.

Learn more here: brainly.com/question/15165519

6 0
2 years ago
Suppose that appearances of a foe to battle (that is, a random encounter) in a role-playing game occur according to a Poisson pr
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Answer:

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One appearance per two minutes.

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\mu = \frac{1}{m} = \frac{1}{2} = 0.5

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Rate parameter of \mu = 0.5

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3 years ago
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