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Post New Question
All Questions
+0
234810 Questions
0
376
1
algebra
Let f(x) = x^2 + 2x. Find all real numbers x such that f(x) = f(f(x)).
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Guest
Mar 3, 2021
0
831
2
find the lines slope and a point on the line. y+5=1/3(x-4)
find the lines slope and a point on the line.
y+5=1/3(x-4)
Slope:
point on the line:
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Guest
Mar 3, 2021
0
401
1
a question
Find the product (x - 3)(2x^2 + 5x - 7)
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Guest
Mar 3, 2021
+1
402
2
help-
use substitution to solve the system
-5x + 2y = -18
y=2x-7
read more ..
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Guest
Mar 3, 2021
0
366
1
geometry problem
A person stands 6 feet tall. The distance from the top of their head to the end of their
shadow on the ground is 10 feet. How long is their shadow? Round to the nearest
tenths where necessary.
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Guest
Mar 3, 2021
0
413
3
Danielle's jump
Danielle jumped of a ledge into the ocean in Hawaii while vacationing with her family. Danielle's hight as a fucntion of time is modeled beow. Where t is the time in second and h is the height in feet.
h(t) = -16t^2 +
read more ..
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Guest
Mar 3, 2021
0
1336
1
Help
A rectangular plot of land has dimensions $x$ meters by $y$ meters. The plot of land is 216 square meters in area. Farmer Ted encloses the rectangle with a fence and then divides the rectangle into two equal parts with another fence of length $x$ meters
read more ..
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Guest
Mar 3, 2021
0
379
1
help with geometry
A 64 inch cord is extended from the top of a pole to the ground. If the cord makes a 60 degree angle with the ground, how tall is the pole to the nearest tenth of an inch?
read more ..
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Guest
Mar 3, 2021
0
355
1
similar figures
Find the missing side of the similar figures
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Guest
Mar 3, 2021
0
725
1
Pls Help
Gina has 15 dollars more than twice as much money as her sister Maria. If Gina gives Maria 30 dollars, then Gina will have half as much money as her sister. How many dollars does Gina have?
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Guest
Mar 3, 2021
0
600
2
circle
A circle is centered on point B. Points A, C, and D lie on its circumference. If angle ABC measures 70 degrees, what does angle ADC measure?
read more ..
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Guest
Mar 3, 2021
0
592
1
A rectangular prism has a volume of 6 cubic units, how many 1/2 cubic units would it take to fill the rectangular prism?
A rectangular prism has a volume of 6 cubic units, how many 1/2 cubic units would it take to fill the rectangular prism?
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Guest
Mar 3, 2021
0
850
1
exponential function
Write an exponential function in the form y=ab^x that goes through points (0,4) and (2,324)
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Guest
Mar 3, 2021
0
1203
1
+20
Law of Cosines (SSS)
In ΔFGH, f = 960 inches, g = 380 inches and h=820 inches. Find the measure of ∠F to the nearest degree.
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Astophix
Mar 3, 2021
0
638
2
2 part problem
Part A
Find the constant term in the product (-3z^2 - 7z + 4)(6z^2 - z + 6)
Note: In a polynomial, the constant term is the term that does not contain the variable. For example, the constant term of -7z^2 + 14z - 11 is -11.
read more ..
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Guest
Mar 3, 2021
0
652
1
+206
Spheres
The interior of a right, circular cone is 8 inches tall with a 2-inch radius at the opening. The interior of the cone is filled with ice cream, and the cone has a hemisphere of ice cream exactly covering the opening of the cone. What is the volume of ice
read more ..
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oliviapow06
Mar 3, 2021
+1
550
1
+501
Analytic Geometry
What is the area, in square units, of a triangle whose vertices are at $(4, -1)$, $(10, 3)$ and $(4, 5)$?
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ellapow
Mar 3, 2021
0
524
4
+1124
Nature of roots
Hi my good friends....please help me with this one..I have tried and tried...:
Determine the nature of the roots without solving the equation.
read more ..
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juriemagic
Mar 3, 2021
0
256
0
polynomials
Consider the polynomials
f(x)=1-12x+3x^2-4x^3+8x^4
and
g(x)=3-2x-6x^3+9x^4.
read more ..
Guest
Mar 3, 2021
0
292
1
arithmetic sequence
If the first term of an arithmetic sequence equals the second term minus the third, and the fourth term is 8, what is the first term?
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Guest
Mar 3, 2021
0
475
1
+113
Can Somebody Please Help Me ASAP Thank You
Can Somebody Please Help Me ASAP
At the present time, Mr. Roberts is 5 times as old as his youngest son. The difference in their ages is 36 years.
a) Write a let statement to represent his son's age.
b) Write a let statement
read more ..
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joeman365
Mar 3, 2021
+1
749
1
+218
Help would be appreciated :)
a rock is dropped from a height of 100 feet. Calculate the time between when the rock was dropped and when it landed. if we choose down as positive and ignore air friction, the function is h(t)= 36t^2-64
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Noori
Mar 3, 2021
0
722
1
+206
Similar Triangles
What is the minimum number of equilateral triangles, of side length 1 unit, needed to cover an equilateral triangle of side length 10 units?
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oliviapow06
Mar 3, 2021
0
247
0
algebra
Given that
1/x + 1/y = 3,
xy = 4
read more ..
Guest
Mar 3, 2021
0
509
1
proportion
The values of x and y are always positive, and x^2 and y vary inversely. If y is 10 when x is 2, then find x when y is 4000.
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Guest
Mar 3, 2021
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