Solve: 7 kg 255 g + 3 kg 145 g
1.04 kg
10400 g
10 kg 400 g
1040 g
We know that 1 kg = 1000 g So, 7 kg = 7000 g, and 3 kg = 3000 g. So we can write, 7 kg 255 g = 7255 And 3 kg 145 g = 3145.
∴ 7 kg 255 g + 3 kg 145 g = 7255 + 3145 = 10400 g = 10 kg 400 g
Solve the equation, 2cos2θ+3sinθ=0
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Solve the equation, sec22x=1−tan2x
Solve: