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Shkiper50 [21]
4 years ago
11

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is en

ough for all of us, we will have one each. How can this be possible?
Mathematics
1 answer:
Drupady [299]4 years ago
5 0
There was a son a dad and his dad. I know this is confusing but there is a son who has a dad and his dad is there as well. So the dad's dad would be the littlest one's grand-dad
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Given cosine of x is equal to negative square root of 3 over 2 comma what is the value of cos(x π)?
slamgirl [31]

Value of cos(x+π) = \bold{\frac{\sqrt{3} }{2}}

Given cosine of x = -\frac{\sqrt{3} }{2}

i.e., cos(x) =  -\frac{\sqrt{3} }{2}

Also cos(\frac{\pi}{6}) =  \frac{\sqrt{3} }{2}. So x = \frac{\pi}{6}.

We need to find cos(x+π) = cos(\frac{7\pi}{6}).

But its value is not easy to find. So we use trigonometric formulas.

We have the trigonometric formula, cos (x+π) = - cos(x) = -  -\frac{\sqrt{3} }{2} =  \bold{\frac{\sqrt{3} }{2}}

Cos(x+π) lies in the 3rd quadrant. So there cosine has negative values. That is why, cos (x+π) = - cos(x).

Learn more about Cos(x+π) trigonometric formula at brainly.com/question/12243383

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7 0
2 years ago
Ali and Janet are selling gifts at a local craft show. For every bar of soap that Ali sells, she earns $5. For every mug that Ja
Alexus [3.1K]

Answer:

95$

Step-by-step explanation:

Alli sells 5 bars, for each bar she earnd 5$ so she earns 5*5=25$

Janet sells 7 mugs, and for every mug she earns 10$ (twice then Alli), so she earns 7*10=70$

Together: 25+70=95$

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3 years ago
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75 - { ( 8 x 3 ) + 6 }
raketka [301]

Answer:

  • 75-{(8×3)+6}
  • 75-{24+6}
  • 75-30
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hope it helps

<h3>stay safe healthy and happy.</h3>
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