All Questions ⁺⁰238211 Questions

0

1056

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+122

Help?

The equation of a circle is (x - h)^2 + (y - k)^2 = r^2
(x - 0)^2 + (y - 0)^2 = 1^2
x^2 + y^2 = 2
(where is my mistake?) read more ..

Severoth Mar 31, 2018

0

2129

2

+1246

Help!

A point $P$ is randomly selected from the square region with vertices at $(\pm 2, \pm 2)$. What is the probability that $P$ is within one unit of the origin? Express your answer as a common fraction in terms of $\pi$.

Lightning Mar 31, 2018

0

2212

1

questionnnn

The medians $AD$, $BE$, and $CF$ of triangle $ABC$ intersect at the centroid $G$. The line through $G$ that is parallel to $BC$ intersects $AB$ and $AC$ at $M$ and $N$, respectively. If the area of triangle $ABC$ is 144, then find the area of triangle $ENG$. read more ..

Guest Mar 31, 2018

0

1019

1

Help

1. When the expression $4(x^2-2x+2)-7(x^3-3x+1)$ is fully simplified, what is the sum of the squares of the coefficients of the terms?

2. Find the constant $a$ such that \[(x^2 - 3x + 4)(2x^2 +ax + 7) = 2x^4 -11x^3 +30x^2 read more ..

Mathhemathh ●

Guest Mar 31, 2018

+1

751

1

+196

This is hard

sangangsx Mar 31, 2018

+2

760

1

+196

image is question

sangangsx Mar 31, 2018

+2

716

1

+196

image is question

sangangsx Mar 31, 2018

+2

928

3

+196

image is question

sangangsx Mar 31, 2018

Mar 30, 2018

+2

791

1

+196

image is question

sangangsx Mar 30, 2018

+2

674

1

+196

image is the question plz help asap

sangangsx Mar 30, 2018

+2

1850

5

+4623

quick question

Find the area of a triangle with side lengths 13, 17, and .

●●●●●

tertre Mar 30, 2018

0

1003

2

Help asap please

1. Let $f(x)$ be the polynomial \[f(x)=x^7-3x^3+2.\]If $g(x) = f(x + 1)$, what is the sum of the coefficients of $g(x)$?

2. Expand $(2z^2 + 5z - 6)(3z^3 - 2z + 1)$.

Guest Mar 30, 2018

0

1714

3

Need help with a couple questions

1. Let $f(x) = x^4-3x^2 + 2$ and $g(x) = 2x^4 - 6x^2 + 2x -1$. Let $a$ be a constant. What is the largest possible degree of $f(x) + a\cdot g(x)$?

2. There is a polynomial which, when multiplied by $x^2 + 2x + 3$, gives read more ..

Guest Mar 30, 2018

+2

2559

4

+4623

quick help please!

In the figure, point is the center of the circle, the measure of angle is 74 degrees, and the measure of angle is 28 degrees. What is the measure of minor arc , in degrees?

read more ..

tertre Mar 30, 2018

0

945

1

Quick questions-Thanks

1.
Which characteristic is correct for the function f(x) =−2x^4+3x^2?

even read more ..

Guest Mar 30, 2018

0

2941

2

The graph shows the miles biked for each week of training.

The graph shows the miles biked for each week of training.
Which statements are true?
Select each correct answer.
read more ..

Guest Mar 30, 2018

0

3995

1

Table Question

The table of values represents a polynomial function f (x).
How much greater is the average rate of change over the interval [5, 7] than the interval [2, 4]?

X values: 2 read more ..

Guest Mar 30, 2018

+2

863

3

+4623

A question from a friend

Here's a question that I came across:

Trapezoid has vertices , , and , with and . The line is perpendicular to the line containing side , and the read more ..

tertre Mar 30, 2018

+2

2608

2

+4623

help fast.....

Seven points are evenly spaced out on a circle and connected as shown below to form a 7-pointed star. What is the sum of the angle measurements of the seven tips of the star, in degrees? One such angle is marked as below.
read more ..

tertre Mar 30, 2018

0

1227

3

+956

@CPhill - ASAP

A nursery determines the demand in May for potted plants in p=3 - (x/1000). The cost of growing x plant is C(x) = 0.02x+400, 0≤ x ≤ 6000. Determine the marginal profit function.

a) 2.98x - (x^2/1000)
b) 2.98 - (x/500) read more ..

Julius Mar 30, 2018

0

1225

1

+956

@CPhill - Fast Please

A rectangle is to be placed in the first quadrant, with one side on the x-axis and one side on the y-axis so that the rectangle lies below the parabola y=-3x^2+4. What is the maximum area of this rectangle?

a) 16/9
b) 3 read more ..

Julius Mar 30, 2018

0

902

1

+956

@CPhill

Let the amount of cola consumed in the United States be given by K(t) = with K measured in billions of gallons per year and t is measured in years from the beginning of 1990. What is the average rate of consumption of cola over the 10 year time read more ..

Julius Mar 30, 2018

0

952

1

+956

@CPhill

If the profit for producing x items can be approximated by the function P(x) = 0.002x^3+100x, determine the marginal profit, in dollars, for 50 units.

a) $ 5 250
b) $250 read more ..

Julius Mar 30, 2018

0

710

1

+8

HELP

Problem Page
Solve for
a
. read more ..

shalawolala13 Mar 30, 2018

0

884

1

+956

@CPhill

A business has annual retail sales of $128 000 in 2003 and $215 000 in 2006. Assuming that the annual increase in sales follows a linear pattern, calculate the average rate of increase in sales per year.

a) $29 000
b) read more ..

Julius Mar 30, 2018

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