3 years ago

What is the value of 9 in 4.971? 0.009 0.09 0.9 9

Mathematics

1 answer:

amid [387]3 years ago

5 0

Answer:

0.9

Step-by-step explanation:

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10. Given that the total distance travelled is 4 km and that the initial aceleration is 4 m/s², find:a) the value of V.b) the va

andrezito [222]

The initial deceleration is 4 m/s^2, so this means that considering the first line segment, $\frac{V-100}{T}=-4 \implies V=100-4T$ .

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$400(100-4T)-\frac{1}{2}(4T)(5T)=4000\\\\40000-1600T-10T^2=4000\\\\10T^2 +1600T-36000=0\\\\T^2 +160T-3600=0\\\\(T+180)(T-20)=0\\\\T=20 (T > 0)\\\\\therefore V=100-4(20)=20$

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1 year ago

Give examples of a 100% increase, 100%<br> decrease, and 100% error. Explain each.

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100% decrease from 100 is 0, the difference is -100

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