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Likurg_2 [28]
3 years ago
9

£60 is divided between Richard, Stephen & Bridget so that Richard gets twice as much as Stephen, and Stephen gets three time

s as much as Bridget. How much does Richard get?
Mathematics
1 answer:
julsineya [31]3 years ago
4 0

Answer: £18

Step-by-step explanation:

let Bridget get £x,

Stephen gets 3x, Richard gets 2(3x)

Equation is x + 3x + 6x = 60

10x = 60: x = 60/40 = 6

Bridget gets £6

Stephen gets 3x = 3 x 6 = £18

Richard gets 2(3x) = 2 x 18 = £36

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Answer:

Step-by-step explanation:

5²+10²=25+100=125

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so 5²+10²≠13²

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Solve the equation sin2x = 3cos2x. The value of x that satisfies the equation if x lies in the second quadrant is °. The value o
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Answer:

126\degree

and

126\degree

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Step-by-step explanation:

The given trigonometric equation is

\sin2x=3\cos2x


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\frac{\sin2x}{\cos2x}=3


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\Rightarrow x=126\degree


The solutions are

x=36\degree,126\degree,216\degree


The value of x that satisfies the equation if x lies in the second quadrant is 126\degree


The value of x that satisfies the equation if x lies in the third quadrant is216\degree



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