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Post New Question
All Questions
+0
230842 Questions
0
961
1
+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?)
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Severoth
Mar 31, 2018
0
2086
2
+1243
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 $\pi$.
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Lightning
Mar 31, 2018
0
2184
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 $ENG$.
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Guest
Mar 31, 2018
0
915
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
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Mathhemathh
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Guest
Mar 31, 2018
+1
634
1
+196
This is hard
help.
hectictar
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sangangsx
Mar 31, 2018
+2
630
1
+196
image is question
help.
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sangangsx
Mar 31, 2018
+2
601
1
+196
image is question
help
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sangangsx
Mar 31, 2018
+2
812
3
+196
image is question
help
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sangangsx
Mar 31, 2018
Mar 30, 2018
+2
658
1
+196
image is question
help.
hectictar
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sangangsx
Mar 30, 2018
+2
552
1
+196
image is the question plz help asap
help.
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sangangsx
Mar 30, 2018
+2
1770
5
+4609
quick question
Find the area of a triangle with side lengths 13, 17, and .
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tertre
Mar 30, 2018
0
935
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 $(2z^2 + 5z - 6)(3z^3 - 2z + 1)$.
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Guest
Mar 30, 2018
0
1592
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
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Guest
Mar 30, 2018
+2
2488
4
+4609
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?
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tertre
Mar 30, 2018
0
820
1
Quick questions-Thanks
1.
Which characteristic is correct for the function f(x) =−2x^4+3x^2?
even
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Guest
Mar 30, 2018
0
2857
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.
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Guest
Mar 30, 2018
0
3932
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
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hectictar
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Guest
Mar 30, 2018
+2
768
3
+4609
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
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tertre
Mar 30, 2018
+2
2566
2
+4609
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.
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tertre
Mar 30, 2018
0
1111
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)
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Julius
Mar 30, 2018
0
1112
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
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Julius
Mar 30, 2018
0
779
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
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Julius
Mar 30, 2018
0
847
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
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Julius
Mar 30, 2018
0
591
1
+8
HELP
Problem Page
Solve for
a
.
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shalawolala13
Mar 30, 2018
0
761
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)
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Julius
Mar 30, 2018
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