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All Questions
^{+0}
188479 Questions
0
77
1
+311
Help
If , what is the value of ?
-hihihi
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heureka
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hihihi
Jan 12, 2021
0
72
1
+311
Help
If , then what is the value of ?
-hihihi
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hihihi
Jan 12, 2021
0
68
1
Help on Projectile Motion
A cannonball is fired on flat ground at 420m/s at a 53 degree angle. What maximum height does it reach?
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Guest
Jan 12, 2021
0
99
1
Math Algebra Help
The two high schools, Jeff erson Hills East and Jeff erson Hills West, are taking fi eld trips to the state capital. A total of 408 students from Jeff erson Hills East will be going in 3 vans and 6 buses. A total of 516 students from Jeff erson Hills West
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Guest
Jan 12, 2021
0
60
1
Please help asap
A ball is thrown in the air from a platform that is 48 feet above the ground with an initial vertical velocity of 32 feet per second. The height of the ball, in feet, can be represented by the function h(t) = -16t^2 +32t +48, where t is the time, in seconds,
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Guest
Jan 12, 2021
0
67
1
help with math
In the figure \(ABCD\) is a rectangle. \(DX = AX/2\). Point \(A'\) is the reflection of point \(A\) on \(BX\). Then find the ratio of the area of red region to the area of blue region. Give your answer to correct two decimal places.
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Guest
Jan 12, 2021
0
69
1
UURGENT HELP PLEASE
Simplify
$(4 - 5i) - (-2i - 8) + (-1 + 8i).$
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Guest
Jan 12, 2021
0
86
1
How many pairs of positive integers (x,y) satisfy the equation x^2-y^2=14?
Please help.
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Guest
Jan 12, 2021
0
76
1
quadratic
For what values of j does the equation (2x + 7)(x - 15) = -43 + jx have exactly one real solution? Express your answer as a list of numbers, separated by commas.
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Guest
Jan 12, 2021
0
69
1
help plz
ABCD is a right trapezoid with AB parallel to CD and ∠BAD=∠ADC=90∘. The diagonals AC and BD intersect at E. If AB=7, DC = 28 and AD = 75, what is the area of triangle BEC?
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Guest
Jan 12, 2021
Jan 11, 2021
0
76
1
PLEASE HELPPP
For what real values of $a$ is $x^2 + ax + 25$ the square of a binomial? If you find more than one, then list the values separated by commas.
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Guest
Jan 11, 2021
0
61
1
help please
Tom was asked how old he was.
He replied "In 2 years I will be twice as old as I was five years ago."
How old is he?
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Guest
Jan 11, 2021
0
67
1
help pls
If a + b = 2 and ab = 3, then find a^3 + b^3.
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Guest
Jan 11, 2021
0
51
0
base numbers
When the fraction 228/47 is expressed in base 12, is it terminating or repeating?
Guest
Jan 11, 2021
0
75
1
Please help me ASAP! thanks!
1. The measure of angles of quadrilateral ABCD form the arithmetic sequence ∠A, ∠B, ∠C, ∠D. If the measure of angle B is 75 degrees what is the degree measure of angle D?
2. There were 30 cans of soda in the fridge. 60% were Coke and the rest were
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Guest
Jan 11, 2021
0
48
0
algebra question
Let a be the arithmetic mean of b and c. Furthermore, let g_1 and g_2 be two numbers such that b, g_1, g_2, c forms a geometric sequence What is the value of g_1^3 + g_2^3?
Guest
Jan 11, 2021
0
65
1
+272
Coach Morris and the Trophies (Pls help) thanks
Coach Morris of the Math Club bought trophies for the year-end award. She received the trophies either as boxes of 4 gold trophies each, or boxes boxes of 5 smaller “Honorable Mention” trophies each.Coach Morris need 2 gold trophies for every 3 silver trophies.
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Potatobird
Jan 11, 2021
+1
70
1
+23
Plz answer/plz show your work or explain how to show work
3/8+2/10
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Unknowingly
Jan 11, 2021
0
74
1
help please
There are three testing tubes A, B and C each with 10, 20 and 30 grams of pure water. You pour 10 grams of salt water with x% concentration into Tube A, fully mix it, take out 10 grams of the mixture and pour it into Tube B. After fully mixing Tube B, take
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Guest
Jan 11, 2021
0
63
1
maximum volume
A rectangular swimming pool has the same depth everywhere. The combined surface area of the floor of the pool and the four sides is 3000 square feet. What is the maximum volume of the swimming pool in cubic feet?
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Guest
Jan 11, 2021
+2
95
1
+266
Two concentric circular
Two concentric circular regions have radii of 1 inch and 10 inches. What is the area, in square inches, outside the smaller region, but inside the larger region? Express your answer in terms of .
hihihi
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DewdropDancer
Jan 11, 2021
+1
67
1
+23
Math/plz show work or explain how to write it out
3/4+1/10
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Unknowingly
Jan 11, 2021
0
43
0
algebra
An improvised rocket is launched from the top of a building 150 feet high. The height (H) reached by the rocket after (t) seconds is given by the function:
H(t) = 50t - 10t^2.
How long does it take for the rocket to reach
read more ..
Guest
Jan 11, 2021
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