2,690 Answered Questions for the topic SAT math

math problem what is best answer

In a giant bin, we stir together 2019 red jelly beans and 2019 green jelly beans. We pull 3 jelly beans out of the bin at a time. There are two possibilities – they are all the same color or there... more
Sat Math

09/15/19

the midpoint of AB is M(7,5). the coordinates of point A are (4,1) find the coordinate of point B

the midpoint of AB is M(7,5). the coordinates of point A are (4,1) find the coordinate of point B
Sat Math Math Algebra 2

09/15/19

how to evaluate

Given the function f(x) below, evaluate 3 f ( - 2 ) + f ( 1 )f ( x ) = { 7 x - 2 } { 3 x ^ { 2 } - 2 x } { - 2 \sqrt { x } - 1 }

09/14/19

System of equations SAT calculator prep problem, didn’t work in Matrixes?

5x + 3y 2y = c - 4x6 = x + y I tried entering into my matrixes and doing A^-1 B , but I got an error. And it’s an SAT prep question so I wouldn’t have time to do the entire system of equations. I... more

09/14/19

find value of k

find all values of k such that f(x)=x^3+2x^2+kx+1 is one-to-one(knowing this question is related to the inverse functions)

09/14/19

finding value of k

find all values of k such that f(x)=x^3+kx+1 is one-to-one (knowing this question is related to the inverse functions)

09/11/19

find a b and c please

The graph of the function f(x)=ax^2+bx+c has its vertex at (0, 5) and passes through the point (1, 6).  Find​ a, b, and c.

09/11/19

PLease help solve this word problem

The point at which a​ company's profits equal zero is called the​ company's ​break-even point. Let R represent a​ company's revenue, let C represent the​ company's costs, and let x represent the... more

09/11/19

help solve the answers from the function given

The cost​ C, in​ dollars, of renting a moving truck for a day is given by the function C(x)=0.20x+45, where x is the number of miles driven.​(a) What is the cost if a person drives x=240 miles?​(b)... more

09/11/19

please help with this problem

The graph of a​ piecewise-defined function is given. Write a definition for the function that best describes this graph. (0,0),(-2,2),(3,1)

09/06/19

i need help with this function

consider the function:y={1 if x is rational 0 if x is irrational ( both are inside bracket but couldnt type it like that)Answer one of the following questions:(1) Is this a function?(2) What... more
Sat Math Math Act Math Maths

09/06/19

Explain how Absolute Values work

To understand the absolute value definition you must believe that IxI = -x for negative x's. using x=-3 as an example, explain in words why multiplying x by -1 produces the same result as taking... more
Sat Math Math Act Math Maths

09/06/19

state a reasonable domain

A parking deck is to be built on 200' by 200' lot x=width of deck in feet
Sat Math

09/05/19

Joanne sells silk screened t shirts at a craft fair. Her marginal cost is 2.50. Her total cost to produce 50 t shirts is 215 and she sells them at 9 bucks each

A. What is the linear cost functionB. How many must she produce and sell to break evenC. She must produce and sell how many to profit 500

09/05/19

What statistical test should i use

i will do a test to compare gender results to the parental rejection scale One round for mother another round for father

09/03/19

Over what interval is the graph of y= f(x+2) decreasing?

Suppose that the function y= f(x) is decreasing on the interval (−2, 7).                Over what interval is the graph of y= f(x+2) decreasing? Explain

09/03/19

How many conditions should we know if we want to determine whether x > 6y?? (Inequalities question)

My teacher gave me this question, but I don't know know to solve it.Question:How many conditions should we know if we want to determine whether x > 6y??Condition 1: x >7yCondition 2: x... more
Sat Math Data Analysis

08/31/19

PERCENT QUESTION

In a particular sale, all items were discounted 40%. If the original price of an item was $50, what was its sale price?

08/29/19

please help me with this word problem

Express the gross salary G of a person who earns $24 per hour as a function of the number x of hours worked.

08/29/19

please help with this function

if f(x)= 4x^3+Ax^2+7x-3 and f(2)=1, what is the value of A?

08/29/19

please help me with this

Find the difference quotient of​ f; that​ is, find f(x+h)-f(x) , h =/ 0, for the following function: f(x)=-6x+5 h
Sat Math Math

08/29/19

I need help to solve this math question.

14 times the difference between a number and 5 is equal to -98. Find the number.

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.