The graphs show the percentage of jobs in the U.S. labor force held by men and by women from 1970 through 2015. Exercises 143–144 are based on the data displayed by the graphs. Percentage of U.S. Jobs Held by Men and Women 80%- 70% 60% Men 50% 40% Women 30% 20% 10% 1970 1980 1990 2000 2010 2015 Year Source: U.S. Bureau of Labor Statistics Percentage of Jobs
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
The graphs show the percentage of jobs in the U.S. labor force held by men and by women from 1970 through 2015. The formula p = - 1.6√t + 62 models the percentage of jobs in the U.S. labor force, p, held by men t years after 1970. Solve :
b. Use the mathematical model to determine the percentage of jobs in the U.S. labor force held by men in 2010. Round to the nearest tenth of a percent.
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