5272道题目5525 条题源记录 · 相同内容已合并
线性不等式与可行域进阶
An arborist studying forestland in Illinois estimates that there are at least 50 and no more than 60 hickory trees per acre in a certain forest. Which of the following best represents the arborist's estimate of the number of hickory trees, x, that are in a 3-acre section of this forest?
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线性不等式与可行域进阶
The shaded region shown represents the solutions to which inequality?
原库参考解析
线性不等式与可行域进阶
A freight elevator can hold a maximum weight of 5,450 pounds during one trip. A 190-pound person needs to deliver several boxes using the freight elevator. Some of these boxes weigh 23 pounds each and the others weigh 60 pounds each. Which inequality represents the possible combinations of the number of 23-pound boxes, x, and the number of 60-pound boxes, y, the person can deliver during one trip if only the person and the boxes are on the freight elevator?
原库参考解析
线性不等式与可行域挑战
\( y>2x−72 \)
\( y<−\frac{1}{6}x−9 \)
For which of the following tables are all the values of x and their corresponding values of y solutions to the given system of inequalities?
原库参考解析
线性不等式与可行域进阶
A freight elevator can hold a maximum weight of 4,840 pounds during one trip. A 170-pound person needs to deliver several boxes using the freight elevator. Some of these boxes weigh 21 pounds each and the others weigh 62 pounds each. Which inequality represents the possible combinations of the number of 21-pound boxes, x, and the number of 62-pound boxes, y , the person can deliver during one trip if only the person and the boxes are on the freight elevator?
原库参考解析
线性不等式与可行域挑战
\( y<x \)
\( y>−3x−11 \)
For which of the following tables are all the values of x and their corresponding values of y solutions to the given system of inequalities?
原库参考解析
线性不等式与可行域挑战
A giant panda is predicted to have a mass between \( \frac{1}{950} \)and \( \frac{1}{850} \) times its mother's mass when it is born. If its mother is predicted to have a mass of 95,950 grams when the giant panda is born, which inequality best represents the prediction of the giant panda's mass p, in grams, when it is born?
原库参考解析
线性不等式与可行域挑战
The shaded region shown represents the solutions to which inequality?
原库参考解析
线性不等式与可行域挑战
\( y<−3x+18 \)
Which point \( (x,\ y) \) is a solution to the given inequality in the xy-plane?
原库参考解析
线性不等式与可行域进阶
The shaded region shown represents the solutions to which inequality?
原库参考解析
线性不等式与可行域挑战
\( y>19 \)
\( 3x+y<26 \)
The point \( (x,\ 44) \) is a solution to the given system of inequalities in the xy-plane. Which of the following could be the value of \( x \)?
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线性不等式与可行域进阶
A pet service that takes care of both cats and dogs can care for at most 43 animals. Which inequality represents this situation, where c is the number of cats and d is the number of dogs?
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