HELP EXAM QUESTIONS DUE IN 5 MINS!! involving BEARINGS and TRIGONOMETRY RULES
The diagram below, which is not drawn to scale, represents the positions of
three mobile phone masts.
Mast is on a bearing of 100% from mast P and is 40km away.
The bearing of mast R from mast is 150%.
Masts P and Rare 66km apart.
N
P
40 km
150
66 km
*
(a)
Use the information in the diagram to establish the size of angle POR R
(b)
Hence find the bearing of mast P from mast R.
2.
A par 3 hole on a golf course the tee is a distance of 130 metres due west from
the pin.
On his first shot, Bruce hits the ball 100 metres but not at the correct angle.
On his second shot he hits the ball 35 metres and gets it in the hole.
On what bearing, a", did he hit his first stroke?
100 m
35 m
130 m​

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.

answer: c, the green line

step-by-step explanation:

there is no black line, eliminate b.

simple interest implies periodic payments, but the red line shows no payments, eliminate d.

simple interest has equal payments. if paid say every day, the graph is about a straight line (actually a stairstep).

the yellow line is not straight, eliminate a.

check: the green line is straight, answer is c.

simple interest with positive interest rate gives a straight line sloping up to the right. green line:

g(t) = $100 + ($200-$100) ÷ (20 years) × (t years)

= $100 + (4%/year) × ($100)(t years)

incidentally, the yellow line curving upward represents continuously compounded interest

y = $100 × 2^(t years / (14 assuming the yellow line hits $200 at 14 years. 2^0 is 1, so y(0) = $100; 2^(14/14) is 2, so y(14) = $200.

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2

step-by-step explanation: