2,686 Answered Questions for the topic SAT math

Sat Math

07/12/20

At a taxi company, an employee gets paid $0.05/min for driving people, has an average expense of $0.05/min for gas and insurance, and figures a flat income tax rate of $200/wk.

Which inequality below shows the number of hours that the employee needs to work per week, n, to get an income of at least $1000/wk?A) 60n>=66.67B) n>=1.5C) n>=1200/27D) n>=1200/33
Sat Math Math Science Physics

07/11/20

Ted Williams hits a baseball with an initial velocity of 120 miles per hour (176 ft/s) at an angle of θ = 35 degrees to the horizontal.

Ted Williams hits a baseball with an initial velocity of 120 miles per hour (176 ft/s) at an angle of θ = 35 degrees to the horizontal. The ball is struck 3 feet above home plate. You watch as the... more
Sat Math

07/09/20

Which of the following values for a and b will make the system of equations have one solution?

y = -2y = ax^2-b(A). a=3, b=-3(B). a=-2, b=-2(C). a=-2, b=2(D). a=3, b=3
Sat Math

07/09/20

How should a 9th grader prepare for the PSAT?

How should an incoming 9th grader prepare for the PSAT when she hasn't yet taken Geometry and Algebra II? She will take Geometry this coming school year. She doesn't understand what is being asked... more
Sat Math

07/08/20

The current population of a certain type of organism is about 100 million.

The population is currently increasing at an annual rate that will make the population double in 18 years. If this pattern continues, what will the population of this country be, in millions of... more
Sat Math

07/08/20

The average weekly median household income in a country from 2010 through 2014 was $1007.

What is the least average weekly median household income for 2015 that would keep an average of at least $1000?
Sat Math

06/24/20

find the answer

find width the dimensions of a shipping box given that the length is twice the width the height is 8 inches and the volume is 1600 inches
Sat Math Math Act Math

06/21/20

Can you please help me with this question?

Etienne began to eat 20 cookies at exactly the same time Jacques began making more cookies, one at a time, at a constant rate of 16 cookies per hour. If Etienne ate 20 cookies per hour, after how... more
Sat Math

06/20/20

Question in statistics and probability help on thermostat.

Readings on a thermometer are normally distributed with a mean of 0C and a standard deviation of 1.00.What is the probability that a randomly selectedthermometer reads: less than 0.45, greater than... more

06/17/20

one to one functions

The one-to-one functions g and h are defined as follows. g= {(-6,6),(-5,3),(-3,7),(7,9)} h(x)=2x+3 Find the following. g^-1 (7) = ? h^-1 (x) = ? (h^-1 o h)(-5) = ?

06/16/20

What are the first four terms of a sequence given the recursive rule below?

f(n)=2×f(n-1)+3 for all n≥2 and f(1)=7A. Not enough informationB. 7, 9, 11, 13C. 7, 15, 31, 63D. 7, 17, 37, 77

06/16/20

Evaluate the function, find f(-2).

Function: f(x) = 2x2 + 3xA. 2B. -10C. -14D. -2
Sat Math Math Mathematics

06/16/20

help me please and thank you

Christine deposited $4000 into an account with 2.1% interest, compounded monthly. Assuming that no withdrawals are made, how much will she have in the account after 6 years?Do not round any... more
Sat Math Math Mathematics

06/16/20

Help please and thank you

Michael borrowed $8000 at a rate of 7%, compounded semiannually. Assuming he makes no payments, how much will he owe after 7 years?Do not round any intermediate computations, and round your answer... more

06/15/20

John starts out with $10 in his savings account and his grandparents add $10 a week. What is the recursive formula to represent how much money John has any time after two weeks?

A. f(n) = f(n-1)+10, given f(1) = 10B. f(n) = 10f(n-1), given f(1) = 10C. f(n) = f(n-2)+10, given f(1) = 10D. f(n) = 10(n-1), given f(1) = 10

06/15/20

Leanne has a gas card that has $150 on it. She spends $25 a week on gas. What is the recursive rule that represents the amount of money she has on her gas card after the first week.

A. f(n) = f(n-2)-25, given f(1) = 150B. f(n) = f(n-1)-150, given f(1) = 25C. f(n) = 6f(n-1)-25, given f(1) = 25D. f(n) = f(n-1)-25, given f(1) = 150

06/15/20

Is the sequence below arithmetic?

{1, 8, 27, 64}A. TrueB. False

06/15/20

Write the first four terms of a sequence given the recursive rule below.

f(n) = f(n-1)-4, for all n ≥ 2 and f(1) = 32A. 32, 31, 30, 29B. not enough informationC. 32, 28, 24, 20D. 32, 27, 22, 17

06/15/20

Given the sequence below, and that sequence has a domain of n ≥ 1, find the fifth term.

f(n) = n2 - 3A. 5B. 22C. 4D. 25
Sat Math Polynomials Sat

06/15/20

Polynomial function SAT preparation practice

How to create a polynomial function that satisfies following set of characteristics: One turning point A maximum value A positive y-intercept THANK YOUUU!!!!
Sat Math Math Polynomials

06/15/20

Polynomials! SAT preparation practice help!!!

The average retail price of gas in America from 1979 to 2008 can be modeled by the functionP (x) = 0.008x3 - 0.307x2 + 4.38x + 25.72Where P is the price of gas in cents per litre and x is the... more
Sat Math Math Polynomials

06/15/20

Polynomial practice help!!!

The average retail price of gas in America from 1979 to 2008 can be modeled by the functionP (x) = 0.008x3 - 0.307x2 + 4.38x + 25.72Where P is the price of gas in cents per litre and x is the... more

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