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siniylev [52]
2 years ago
6

Find p and q, if Definition area is [3;10]

Mathematics
1 answer:
miss Akunina [59]2 years ago
5 0

\\ \tt\longmapsto y=\sqrt{-x^2+px+q}

  • Put(3,10)

\\ \tt\longmapsto y^2=-x^2+px+q

\\ \tt\longmapsto 10^2=-(3^)2+3p+q

\\ \tt\longmapsto 100=-9+3p+q

\\ \tt\longmapsto 3p+q=109

  • Use hit and trial method.

Let p,q be (27,28)

Apply

\\ \tt\longmapsto 3(27)+28=81+28=109

Verified

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How do I solve 3+k/14=4
Sedaia [141]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{k = 53}}}}}

Step-by-step explanation:

\bigstar{ \sf{   \:  \: \frac{3 + k}{14} = 4}}

\tt{Step \: 1 \: } : Do cross multiplication

\hookrightarrow{ \sf{3 + k = 4 \times 14}}

\tt{Step \: 2} : Multiply the numbers : 4 and 14

\hookrightarrow{ \sf{3 + k = 56}}

\tt{Step \: 3 \: } Move 3 to right hand side and change it's sign

\hookrightarrow{ \sf{k = 56 - 3}}

\tt{Step \: 4 \: } Subtract 3 from 56

\hookrightarrow{ \sf{k = 53}}

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Triangle OBC is a right triangle drawn on a coordinate plane. Side OC lies on the x-axis, the coordinates of point O are (0, 0),
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sin ∠BOC = opposite / hypotenuse
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tan ∠BOC = opposite / adjacent
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