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數學題目
For a certain cylinder, the diameter equals the height. If every length in this cylinder is decreased by 60%, then to the nearest integer, by what percent does the volume decrease?

For a certain cylinder, the diameter equals the height. If every length in this cylinder is decreased by 60%, then to the nearest integer, by what percent does the volume decrease?

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Candice

GMAT/GRE/SAT 數學專業家教

The table above shows the results of a survey of 100 voters who each responded "Favorable" or "Unfavorable" or "Not Sure" when asked about their impressions of Candidate Mand of Candidate N. What was the number of voters who responded "Favorable" for both candidates?

The table above shows the results of a survey of 100 voters who each responded "Favorable" or "Unfavorable" or "Not Sure" when asked about their impressions of Candidate Mand of Candidate N. What was the number of voters who responded "Favorable" for both candidates?

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Candice

GMAT/GRE/SAT 數學專業家教

圖晝館只有 3 種書,history, mathematics, physics 20%借history 的人也借了 mathematics 35%借physics的人也借了mathematics 沒有人同時借history&physicst 僅借mathematics的有200,150的人exactly借了兩種書 借history的人有50 人，問僅借physics的人?

圖晝館只有 3 種書,history, mathematics, physics 20%借history 的人也借了 mathematics 35%借physics的人也借了mathematics 沒有人同時借history&physicst 僅借mathematics的有200,150的人exactly借了兩種書 借history的人有50 人，問僅借physics的人?

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Candice

GMAT/GRE/SAT 數學專業家教

三個醫院，每個醫院2個醫生2個護士，一共12個人坐一排，其中同一個醫院的醫生必須坐一起，同一個醫院的護士也要坐一起，不同 醫院的醫生不能坐一起，不同醫院的護士不能坐一起，問有多少種排列組合？

三個醫院，每個醫院2個醫生2個護士，一共12個人坐一排，其中同一個醫院的醫生必須坐一起，同一個醫院的護士也要坐一起，不同 醫院的醫生不能坐一起，不同醫院的護士不能坐一起，問有多少種排列組合？

#GMAT

Candice

GMAT/GRE/SAT 數學專業家教

What percent of the students at University X are enrolled in a science course but are not enrolled in a biology course?

What percent of the students at University X are enrolled in a science course but are not enrolled in a biology course?

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Candice

GMAT/GRE/SAT 數學專業家教

In the figure above, triangle ACE is similar to triangle BCD. The height of ACE corresponding to the base AE is 7, and the height of BCD corresponding to the base BD is k. The area of BCD is equal to the area of trapezoid ABDE.

In the figure above, triangle ACE is similar to triangle BCD. The height of ACE corresponding to the base AE is 7, and the height of BCD corresponding to the base BD is k. The area of BCD is equal to the area of trapezoid ABDE.

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Candice

GMAT/GRE/SAT 數學專業家教

The random variable X is normally distributed. The values 650 and 850 are at the 60th and 90th percentiles of the distribution of X, respectively.

The random variable X is normally distributed. The values 650 and 850 are at the 60th and 90th percentiles of the distribution of X, respectively.

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Candice

GMAT/GRE/SAT 數學專業家教

被問到爛掉的題型！【文氏圖解說實驗室】現場手作解題

被問到爛掉的題型！【文氏圖解說實驗室】現場手作解題

Candice

GMAT/GRE/SAT 數學專業家教

To be eligible for retirement benefits at the Omega Corporation, the sum of an employee’s age, in years, and the number of years of employment must be at least 70. If x, where x ＜ 70, is a certain employee’s age when hired and y is the minimum number of years of employment required for the employee to be eligible for retirement benefits, which of the following equations represents the relationship between x and y ?

To be eligible for retirement benefits at the Omega Corporation, the sum of an employee’s age, in years, and the number of years of employment must be at least 70. If x, where x ＜ 70, is a certain employee’s age when hired and y is the minimum number of years of employment required for the employee to be eligible for retirement benefits, which of the following equations represents the relationship between x and y ?

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Candice

GMAT/GRE/SAT 數學專業家教