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Fudgin [204]
3 years ago
7

Whoever can help me with this will be my hero!

Mathematics
1 answer:
Nataly_w [17]3 years ago
8 0

Answer:

y=4 y=7 y=10 y=13 y=16

Step-by-step explanation:

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Vesna [10]
Idk but the web always helps me so you can ask that question online
7 0
3 years ago
The radio is of a circle is 3 millimeters what is the circles circumference
nlexa [21]

c = 2(3.14)(radius)

c = 2(3.14)(3)

<em>multiply all those numbers together to get your circumference.</em>

c = 18.84.

6 0
3 years ago
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
A map uses a scale of 3 inches = 20 miles The distance on the map between two cities is 18 inches. What is the actual distance b
jeka94
120 miles Bc 18 divided by 3 is 6
6 times 20 is 120
7 0
3 years ago
Round the number to the place of the underlined digit. 42.76 The rounded number is​
Shalnov [3]

Answer:

what am i supposed to be rounding to

Step-by-step explanation:

if i was rounding to the tenths it would be 42.8

4 0
3 years ago
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