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MrRa [10]
3 years ago
5

Will mark brainliness, im really behind and trynna catch up :))

Mathematics
1 answer:
Anon25 [30]3 years ago
7 0

Answer:

Step-by-step explanation: i need this too

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What is the next term of the geometric sequence?<br> 2,−10,50,...
OleMash [197]

Answer:

-250

Step-by-step explanation:

I don't know for sure but I hope it's correct.

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A petrol kiosk p is 12 km due north of another petrol kiosk q. The bearing of a police station r from p is 135 degree and that f
tiny-mole [99]

Answer:

Distance between P and R is 40.15 km.

Step-by-step explanation:

From the picture attached,

Petrol kiosk P is 12 km due North of another petrol kiosk Q.

Bearing of a police station R is 135° from P and 120° from Q.

m∠QPR = 180° - 135° = 45°

m∠PQR = 120°

m∠PRQ = 180° - (m∠QPR +m∠PQR)

             = 180° - (45° + 120°)

             = 180° - 165°

             = 15°

Now we apply sine rule in ΔPQR to measure the distance between P and R.

\frac{\text{sin}(\angle QPR)}{\text{QR}}= \frac{\text{sin}(\angle PQR)}{\text{PR}}=\frac{\text{sin}\angle PRQ}{\text{PQ}}

\frac{\text{sin}(45)}{\text{QR}}= \frac{\text{sin}(120)}{\text{PR}}=\frac{\text{sin}(15)}{\text{12}}

\frac{\text{sin}(120)}{\text{PR}}=\frac{\text{sin}(15)}{\text{12}}

PR = \frac{12\text{sin}(120)}{\text{sin}(15)}

PR = 40.15 km

Therefore, distance between P and R is 40.15 km.

8 0
3 years ago
Help Please! will award brainlest and points
Simora [160]

Answer:

50 points! omg

Step-by-step explanation:

7 0
3 years ago
Find the x- and y-intercepts of −x+y=−3. (Enter each intercept in the form (a,b).)
Ostrovityanka [42]

Answer:

(1,-2)

(0,-3)

(-3,0)

Step-by-step explanation:

each point on the line -x+y=-3

3 0
2 years ago
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