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Post New Question
All Questions
+0
230878 Questions
0
323
1
geometry
Mr. Lomas has a golf poster that is 10 inches longer than it is wide. It is mounted in an exquisite artificial plastic frame with a uniform width of two inches. If the area of the frame is 224 square inches, what is the length of his poster?
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Guest
Mar 19, 2021
0
297
1
circles and angles
What is the value of x in the diagram?
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Guest
Mar 19, 2021
0
370
1
equation of line
Write an equation of the line that passes through the given point and is perpendicular to the given line
(-4,-4); y = -2x - 3
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Guest
Mar 19, 2021
0
341
0
Help
A smoot is a unit of measurement equal to 5 feet, 7 inches, named for an MIT student who was used to measure a bridge. The MIT campus is 168 acres. What is the area of the MIT campus, in square smoots? Round your answer to 3 significant digits, such as
read more ..
Guest
Mar 19, 2021
+12
705
1
+428
(a) Determine a cubic polynomial with integer coefficients which has $\sqrt[3]{2} + \sqrt[3]{4}$ as a root.
(b) Prove that is irrational.
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Dennis070sinneD
Mar 19, 2021
0
262
0
Geometry
Mr. Bird has a golf poster that is 10 inches longer than it is wide. It is mounted in an exquisite artificial plastic frame with a uniform width of two inches. If the area of the frame is 224 square inches, what is the length of his poster?
read more ..
Guest
Mar 19, 2021
0
252
0
Geometry/Algebra problem
1. Mr. Roberts has a golf poster that is 10 inches longer than it is wide. It is mounted in an exquisite artificial plastic frame with a uniform width of two inches. If the area of the frame is 224 square inches, what is the length of his poster?
read more ..
Guest
Mar 19, 2021
0
248
0
PLEASE HELPPPP ASAP
What is the number of different binary strings of length 2n that can be composed by combining strings 1001 and 10?
Guest
Mar 19, 2021
0
387
1
parabolas
Two parabolas are the graphs of the equations $y=2x^2-10x-10$ and $y=x^2-4x-6$. Find all points where they intersect. List the points in order of increasing $x$-coordinate, separated by semicolons.
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Guest
Mar 19, 2021
-1
398
1
triangle geometry
In the diagram below, BC = EC and ECD = 138. Find ABE.
idyllic
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Guest
Mar 19, 2021
-1
375
1
need help
ABC is congruent to DEF.
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Guest
Mar 19, 2021
0
867
1
+4
The lateral area of a right cylinder which has a base diameter of 12 cm and a height of 8 cm is:
The lateral area of a right cylinder which has a base diameter of 12 cm and a height of 8 cm is:
48 cm squared.
192 cm squared.
275 cm squared.
read more ..
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mannyguerra
Mar 19, 2021
-1
679
1
congruent triangles
Given PRS = CFH, find the values of x, y, and z.
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Guest
Mar 19, 2021
-1
376
1
circle problem
Segment $AB$ measures 4 cm and is a diameter of circle $P$. In triangle $ABC$, point $C$ is on circle $P$ and $BC = 1$ cm. What is the area of the shaded region?
read more ..
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Guest
Mar 19, 2021
0
427
1
volume
Find the volume of the lunch box shown. The container consists of a rectangular prism and a triangular prism.
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Guest
Mar 19, 2021
0
373
1
pyramid
What is the volume of the triangular pyramid?
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Guest
Mar 19, 2021
+1
463
2
+96
Sorry I still have so many questions.
Solve the inequality $2x - 5 \le -x +12$. Give your answer as an interval.
Thank you in advance.
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Immaguest
Mar 19, 2021
0
365
1
probability
A card is drawn from a standard deck, it is replaced and another card is drawn. What is the probability that the first card is a jack and the second card is a heart?
QuestionableBean
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Guest
Mar 19, 2021
0
428
5
+96
I have another question.
Find the value of $B - A$ if the graph of $Ax + By = 3$ passes through the point $(-7,2),$ and is parallel to the graph of $x + 3y = -5.$
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Immaguest
Mar 19, 2021
0
378
3
+96
Another question.
Line $l_1$ represents the graph of $3x + 4y = -14$. Line $l_2$ passes through the point $(-5,7)$, and is perpendicular to line $l_1$. If line $l_2$ represents the graph of $y=mx +b$, then find $m+b$.
Thank you in advance.
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Immaguest
Mar 19, 2021
0
254
0
y = tan (2x) list two vertical asymptotes
1. y = tan (2x)
list two vertical asymptotes
2. y = sec(x/2)
read more ..
Guest
Mar 19, 2021
0
444
1
+4
Clever Algebraic Manipulations
If a + b = 7 and a^3 + b^3 = 42, what is the value of the sum 1/a + 1/b? Express your answer as a common fraction.
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taco1
Mar 19, 2021
0
255
0
quadratics
A football is thrown in the air. Its path is given by the relation h = -4.9t^2 + 22.54t + 1, where h is the ball's height above the ground, in meters, and t is the time in seconds. How long was the ball in the air?
Guest
Mar 19, 2021
0
233
0
Population Inferences
if there are 200 members of the 7th grade than how many student can be expted to prefer soccer
Guest
Mar 19, 2021
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