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Post New Question
All Questions
+0
232255 Questions
+1
504
1
+25
Please help
A spinner with three sectors labeled A, B, and C is spun, and a coin is flipped. Let H stand for heads and T for tails.
What is the sample space for the experiment?
{H, T}
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iboeshak
Jun 24, 2021
0
453
4
+37
3 questions, can i get help?
1. An octopus told me that his underwater cave is years old. How many years is this in base ten?
2. What is the digit in the thousandths place of the decimal equivalent of ?
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Skripple
Jun 24, 2021
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318
2
CPHIL OR ANYBODY PLEASE HELP FAST
Find the unique triple $(x,y,z)$ of positive integers such that $x < y < z$ and \[\frac{1}{x} - \frac{1}{xy} - \frac{1}{xyz} = \frac{19}{97}.\]
Please help fast and thanks in advance.
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Guest
Jun 24, 2021
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369
2
system
a and b are real numbers and satisfy a*b^2 = 27/5 and a^2*b = 1080. Compute a + 5b.
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Guest
Jun 24, 2021
0
345
1
Ratios
What is the ratio of x to y if: (10x - 3y)/(13x - y) = 3/5 ? Express your answer as a common fraction.
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Guest
Jun 24, 2021
0
397
1
help algebra
Find a monic polynomial of degree 4, in x, with rational coefficients such that sqrt(2) + sqrt(5) is a root of the polynomial.
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Guest
Jun 24, 2021
0
350
1
PLEASE HELP GEOMETRY
In triangle ABC, AB = AC. Point P lies on line AB such that CP = BC. If angle APC = 115 degrees, what is angle ACP(in degrees)?
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Guest
Jun 24, 2021
0
7
1011
2
culture starts with 10000 bacteria, and the number doubles every 40 minutes.
culture starts with 10000 bacteria, and the number doubles every 40 minutes.
a. Find a function that models the number of bacteria at time t.
b. Find the number of bacterial after one hour.
c. After how many minutes will there be
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Guest
Jun 24, 2021
0
333
1
i need help, my class is do today and i have 13 missing sheets
It is estimated that there are 4 grubs per square foot in the typical lawn. If your lawn has 13200 grubs, what is the area of your lawn in square feet?
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Guest
Jun 24, 2021
0
504
1
+4
Suppose that you are at a casino playing roulette.
Suppose that you are at a casino playing roulette. The strategy you are using is to, before each bet, flip a coin to determine whether to place your bet on red or on black (which, according to the rules of the game, should each have almost a 50% chance
read more ..
Melody
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rhammo14
Jun 24, 2021
0
319
1
Coordinates
The circle 2x^2 = -2y^2 + 2x - 4y + 20 is inscribed inside a square which has a pair of sides parallel to the x-axis. What is the area of the square?
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Guest
Jun 24, 2021
0
280
1
Divisors
How many positive divisors do 840, 960, 1200, and 700 have in common?
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Guest
Jun 24, 2021
0
304
1
help with geometry
Triangle ABC is an isosceles triangle with AC=BC and angle C =120°. Points D and E are chosen on segment AB so that AD=DE=EB. Find angle CDE
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Guest
Jun 24, 2021
0
388
5
Help with equation
Find all real solutions to
x^2 + 4x + 4 = 100x^2 - 20x + 1
If you find more than one, then list the values separated by commas.
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Guest
Jun 24, 2021
0
318
1
ep pls help
Solve for $x$: $4x^{1/3}-2 \cdot \frac{x}{x^{2/3}}=7+\sqrt[3]{x}$.
textot
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Guest
Jun 24, 2021
0
376
1
what is the unit rate of calvin scored 36 points in 3 gamse
what is the unit rate of Calvin scored 36 points in 3 games
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Guest
Jun 24, 2021
0
303
1
coordinates
What is the perimeter of the polygon formed when the points A(-6,6), B(9,-6) and C(9,2) and are graphed and connected with straight lines?
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Guest
Jun 24, 2021
0
337
2
how to solve this?
how to calculate 1+1^1?
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Guest
Jun 24, 2021
0
349
1
Plz help! :D
There is a circle in the coordinate plane. If the radius doubles, the area increases by 108 units. Find the new radius of the circle
ElectricPavlov
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Guest
Jun 24, 2021
0
315
1
Coordinates
Find the value of c such that the three points (5,5), (3,1) and (6,c) lie on the same line.
Note: Three points are on the same line if the slope of the line through any two points is always the same.
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Guest
Jun 24, 2021
0
364
1
Plz help!
Suppose there is a
1.2°F
drop in temperature for every thousand feet that an airplane climbs into the sky. If the temperature on the ground is
52.3°F,
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Guest
Jun 24, 2021
0
311
1
Pls help
Find the number of ordered pairs $(a,b)$ of integers such that $|a + bi| \le 5.$
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Guest
Jun 24, 2021
0
433
2
minimum
What is the minimum value of the expression x^2 + y^2 + 2x - 4y + 8 - 10y + 3y for real x and y?
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Guest
Jun 24, 2021
0
357
1
minimum
What is the smallest distance between the origin and a point on the graph of y = x^2 - 3?
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Guest
Jun 24, 2021
0
420
2
I am stuck on this one AM GM problem, help appreciated :)
Problem: Let $x^3 + ax^2 + bx + c$ be a polynomial with real nonnegative roots. Prove that b>= 3[(c^(2/3)]
I turned the equation into b/3 >= cuberoot(c^2) so that it's clearly a use of AM GM, but I'm not sure where to go
read more ..
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Guest
Jun 24, 2021
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