Answer:
2x - 2y = -3
Step-by-step explanation:
2y = -2x + 3
2y - 2x = 3
Reorder The terms
-2x + 2y = 3
change the sign
Sulotion
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Answer:
2x - 2y = -3
Step-by-step explanation:
2y = -2x + 3
2y - 2x = 3
Reorder The terms
-2x + 2y = 3
change the sign
2x - 2y = -3
Sulotion
please mark me Brainliest
At 20 °C (68 °F), the speed of sound in air is about 343 metres per second (1,235 km/h; 1,125 ft/s; 767 mph; 667 kn), or a kilometre in 2.9 s or a mile in 4.7 s.
In this case v(0) is equal to 332 m/s. Temperature change is 20°C. Therefore speed of sound at 20°C is
332+(0.61×20)= 332+12.2= 334.2m/s