Give an example of a proportion problem and explain how to solve it. Suppose that w is proportional to r^3. then what is dw/dr proportional to? Find the constant variation and write the formula that is expressed by the indicated variation. t is inversely proportional to y, and t = -10...
Find the value of x in the proportion: (x + 1)/x = x/(x - 1). Write the ratio 3:1 as a percentage. If 150 is the proportional to 6 and x ,find value of x. How do you find a percentage of a whole number? If 3,136 * y = 5,600, solve for y and express it as a...
Direct proportionor direct variation is a mathematical comparison of two quantities where their ratio equals a constant value. Direct proportion states that when one of the quantity increase, the other will also increase. Similarly, if one of the quantities decreases, the other quantity will also d...
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In the post COVID-19 period, the proportion of public transport commuting trips decreased, whereas that of car commuting trips increased. As a sustainable travel mode, customized bus services have been promoted to ensure the public health security during commuting in this period in many cities in...
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Desire—Wow, product X could actually help me improve my life; in fact, the way they describe its use cases and benefits makes me think I MUST buy it to solve my problems! Prospects in the interest stage have only now begun to warm up to your idea. If you introduce your product early...