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993 Answered Questions for the topic SAT math

Sat Math

07/13/20

To make strong coffee, 3 scoops of coffee beans make 15 cups. To make weak coffee, the amount of beans used should be 5/8 the amount used for strong coffee.

About how many scoops should be used to make 30 cups of medium coffee?A) 2B) 3C) 5D) 6
Sat Math

07/13/20

The question refers to the following information.

An international cruise company offers its guests traveler credit cards when they are aboard. When a customer makes a purchase using his traveler card in a currency other than dollars, the bank... more
Sat Math

07/13/20

The question refers to the following information.

An international cruise company offers its guests traveler credit cards when they are aboard. When a customer makes a purchase using his traveler card in a currency other than dollars, the bank... more
Sat Math

07/12/20

What is the maximum value of y if a point (x,y) is a possible solution of the system of inequalities below?

y<=-4x+16 and y<=3x+9A)10B)13C)12D)19
Sat Math

07/12/20

f(x)=2x+5 and g(x)=x^2-c. What is c if g(2f(x))=16x^2+80x+97

A) 1B) 2C) 3D) 4
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

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
Sat Math Math Act Math

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) = ?
Sat Math Math Algebra 1

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
Sat Math Math Algebra 1

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
Sat Math Math Algebra 1

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
Sat Math Math Algebra 1

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
Sat Math Math Algebra 1

06/15/20

Is the sequence below arithmetic?

{1, 8, 27, 64}A. TrueB. False
1 2 4 6 7 40

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