14 Answered Questions for the topic PSAT

12/27/20

Hard SAT Math question involving rates, distance, and time

A car is traveling at x feet per second. The driver sees a red light ahead, and after 1.5 seconds reaction time, the driver applies the brake. After the brake is applied, the car takes x/24 seconds... more

12/27/20

Hard SAT Math question involving rates, distance, and time

A car is traveling at x feet per second. The driver sees a red light ahead, and after 1.5 seconds reaction time, the driver applies the brake. After the brake is applied, the car takes x/24 seconds... more

10/06/20

How should I study for a psat

How should I study for a psat as a sophomore.
Psat

01/28/20

How do I prepare for the PSAT Test?

Practice for PSAT Reading and Writing and Language Test at least two years prior to taking the test. Actual sample test and format is used in practice sessions.

10/31/19

Write an equation for each parabola

(a)vertex (2,-1)focus (2,-5)(b)focus (3,5)directrix x=0

10/29/19

I don't understand how to solve these, can you help?

Verify each identity(a) tanΘ + secΘ = cos Θ/1-sinΘ(b)tan2Θ - sin2Θ = sin2Θ tan2Θ

Conversions of Gases

Convert 765 mmHg to atm, Pa, and kPa.

04/02/19

PSAT question ( help please)

last week benjamin spent $82.80 on groceries and $132.48 on bills. The amount he spent on groceries was %15 of his paycheck , What percent of his paycheck did benjamin spend on bills?I need to know... more
Psat

10/17/16

Sales tax problem

Luis bought two movies at his local store. The regular price for each movie was r dollars. The store charged Luis the regular price for the first movie and gave him a 25 percent discount on the... more
Psat

10/07/16

Psat corrections

Martin spent $855 on expenses for a ride trip. The expenses included hotel, car rental, and meals. He spent 50 percent more for the hotel than for the rental car and meals combined. What did Martin... more
Psat

10/05/16

Line intersecting? Graphing?

5x+4y=12. The graph of the equation above in the xy-plane is a line, l. Line l intersects line m at point [2,1/2]. Which of the following could be an equation of line m?   A) 2x= y/2 B)... more
Psat Exponents

04/12/16

What is x in the equation: 6^4x+8 = 36^x-10?

I tried to solve it; my answer was -14. Is that right?

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