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Elena L [17]
2 years ago
13

If two people are randomly​ selected, what is the probability both are hopelessly romantichopelessly romantic​? what is the prob

ability at least one is hopelessly romantichopelessly romantic​?
Mathematics
1 answer:
vova2212 [387]2 years ago
5 0
I'm so sorry i dont know the answer
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 = 3.5 / 14 = 1/4
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If you answer it correctly then I will give you brainliest 5 stars and a thank you
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Find the altitude of an equilateral triangle whose perimeter is 18
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Answer:

3√3 units

Step-by-step explanation:

We are asked to find the altitude of the equilateral triangle whose perimeter is 18 . Firstly let us find the side of the∆.

\rm \implies a + a + a = 18 \\\\\rm\implies 3a = 18  \\\\\rm\implies a = 6

Now we know that in a equilateral triangle , the altitude of the triangle with side length a is ,

\rm\implies Altitude =\dfrac{\sqrt3}{2} a

Plug in the value of a that is 6 , we will get ,

\rm\implies Altitude =\dfrac{\sqrt 3}{2} a  \\\\\rm\implies Altitude =\dfrac{ \sqrt3}{2}\times 6  \\\\\rm\implies Altitude = \sqrt3 \times 3  \\\\\rm\implies\boxed{ \bf Altitude = 3\sqrt3 \ units }

5 0
2 years ago
Someone please help me with #15
harina [27]

Answer:

b. A year and a half

Step-by-step explanation:

First, we can find the total cost

1512+263=1775

Next, we can divide by 50 in order to find out how many months it will take for the panel to pay for itself.

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This is very close to 36 months, which is <u>A year and a half</u>.

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3 years ago
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