All Questions ⁺⁰230542 Questions

0

598

1

+80

help me please

A bookstore is deciding what price it should charge for a certain book. After research, the store finds that if the book's price is p dollars (where 41 ≥ p), then the number of books sold per month is 123-3p. What price should the store charge to maximize read more ..

ElectricPavlov ●

ma931 Dec 26, 2018

0

972

1

help plz

How many numbers are in the list 147, 144, 141,... 42, 39?

read more ..

Guest Dec 26, 2018

0

1157

3

+107

Base 5 number

If A, B, and C are the digits of the base-five number ABC, which is equal to the base-10 number 47,what does digit B represent?

MacTyBoys Dec 26, 2018

0

635

1

+80

i need help please

if the quadratic 3x^2+bx+10 can be written in the form a(x+m)^2+n, where m and n are integers, what is the largest integer that must be a divisor of b?

ma931 Dec 26, 2018

0

2817

2

+80

i need help plz

A bookstore is deciding what price it should charge for a certain book. After research, the store finds that if the book's price is p dollars (where p is less than or equal to 26), then the number of books sold per month is 130-5p. What price should the read more ..

ElectricPavlov ●●

ma931 Dec 26, 2018

0

1821

3

+80

need help

Tiffany is constructing a fence around a rectangular tennis court. She must use exactly 300 feet of fencing. The fence must enclose all four sides of the court. Regulation states that the length of the fence enclosure must be at least 80 feet and the width read more ..

ma931 Dec 26, 2018

0

765

1

+80

need help

Ben is climbing a tree with a lot of branches. His height off the ground at time t is 2t^2-5t+29 feet. To the nearest foot, what will his minimum height be?

ma931 Dec 26, 2018

0

667

1

+80

please help

Rewrite the expression g^4 + 12g^2 + 9 in the form c(g^2 + p)^2 + q. What is q

ma931 Dec 26, 2018

0

512

1

Sum and product of 3 numbers

THe sum of three numbers is equal to their product. Two of the numbers are 4/3 and 1. What is the third number?

Guest Dec 26, 2018

0

633

1

+80

i need help with this question please

When the expression -2x^2-20x-53 is written in the form a(x+d)^2+e, where a, d, and e are constants, then what is the sum a+d+e?

ma931 Dec 26, 2018

0

871

1

+107

Triangle and hexagons

An equilateral triangle is inscribed in a regular hexagon, and a smaller regular hexagon is inscribed inside the triangle so that three of its vertices are each the midpoint of a side of the triangle. What is the ratio of the area the smaller hexagon to read more ..

MacTyBoys Dec 26, 2018

0

499

1

+80

please help

Suppose that 2x^2 - 5x + k = 0 is a quadratic equation with one solution for x. Express k as a common fraction.

ma931 Dec 26, 2018

+1

840

2

+816

Midpoint

Don't we first have to solve for the midpoint, f(x)=f(2-x), so 2x=2, x=1...

If f(x)=f(2-x) for all x, then what line is necessarily an axis of symmetry of the graph of y=f(x)? (Give the simplest equation of this line.) read more ..

mathtoo Dec 26, 2018

Dec 25, 2018

0

1264

1

+80

please help

For what values of j does the equation (2x+7)(x-5) = -43 + jx have exactly one real solution? Express your answer as a list of numbers, separated by commas.

ma931 Dec 25, 2018

0

839

2

+816

Functions Graphs

Which of the following represents graphs of functions?

mathtoo Dec 25, 2018

0

1127

1

+80

Please help

If the quadratic x^2+6mx+m has exactly one real root, find the positive value of m.

ma931 Dec 25, 2018

+2

1280

1

+83

Please Help!

In parallelogram ABCD point K belongs to diagonal BD so that BK:DK=1:4. If the extension of AK meets BC at point E, what is the ratio of BE:EC?

SaltyGrandma Dec 25, 2018

+1

876

3

+816

Help! Thanks!

The complete graph of y=f(x), which consists of five line segments, is shown in red below. (On this graph, the distance between grid lines is 1.)
What is the sum of the -coordinates of all points where f(x)=1.8?
read more ..

mathtoo Dec 25, 2018

+1

1007

1

+816

Sides!!!!

How many polygons have interior angles of integral measure?

mathtoo Dec 25, 2018

+1

628

1

+816

a bit of help

Suppose that a and b are nonzero real numbers, and that the equation has solutions a and b. Find the ordered pair (a,b).

mathtoo Dec 25, 2018

4 Online Users