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Post New Question
All Questions
+0
231266 Questions
0
568
3
+47
probability
1. We draw a card from a standard deck. What is the probability that it is a Jack, Queen, King, or it is red?
2. I have two standard, six-sided dice, one is brown, and the other is black. I roll them both. What is the probabilty
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chillycheesechicken
Jun 2, 2021
0
377
1
+1347
Need help
Find the area of triangle ABC if AB = BC = 12 and angle ABC = 45 degrees.
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sandwich
Jun 2, 2021
0
427
1
+1347
Help pls
In the diagram below, we have DE = 3EC and AB = DC = 20. Find the length of FG.
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sandwich
Jun 2, 2021
0
210
0
help geometry
In triangle ABC, the measure of angle A is x degrees, the measure of angle B is 2x degrees and the measure of angle C is 6x degrees. What is the value of x? Express your answer as a decimal to the nearest tenth.
Guest
Jun 2, 2021
0
434
1
+47
help
1. how many ways can you rearrange the letter in INFINITY?
2. The combination locks at a school have the numbers from 0 to 39 (inclusive). A locker combination consists of three different numbers, where the order matters. Because
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chillycheesechicken
Jun 2, 2021
0
442
1
+47
PLEASE HELP ASAP THANKS!
1. Joseph borrows $10000 from his sister Katie at an annual interest rate of 10%. If the interest compounded twice a year, how much does he owe after 12 months? Answer in dollars.
2. How many multiples of 9 are between 100,000 and
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chillycheesechicken
Jun 2, 2021
0
468
2
+1124
solve simultaneously
Solve simultaneously:
and
I did this:
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juriemagic
Jun 2, 2021
0
333
1
Geometry
In rectangle ABCD below, we have DP = PC and < BAC = 23 degrees. Find the number of degrees in < QDA + < QAD.
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Guest
Jun 2, 2021
0
303
1
Isosceles triangles
In isosceles triangle ABC, if BC is extended to a point X such that AC = CX, what is the number of degrees in the measure of angle AXC?
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Guest
Jun 2, 2021
0
277
2
HELP ASAP PLEASE !
HELP ASAP PLEASE !
which of these numbers is 6 less than 1.4
-8.4, -7.4, -2.0, -4.6
EXPLAINATION PLEASE !
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Guest
Jun 2, 2021
0
221
0
Help algebra
For some real number the polynomial 8x^3 - 4x^2 - 80x + 112 is divisible by (x - r)^2. Find r.
Guest
Jun 2, 2021
0
457
2
+1124
nature of roots
Hi friends,
I have something that tickles me..
..please help:
if I look at
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juriemagic
Jun 2, 2021
0
319
2
Wanting verification for my logic on a geometry problem :)
Consider points X,Y, Z on a unit sphere. The space distance between any of these pairs of points is . An ant can only crawl on the surface of the sphere. The ant starts at point X, and passes through Y and Z, then returns to X. What is the shortest
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Guest
Jun 2, 2021
0
259
1
help algebra
Find constants A and B such that (x + 7)/(x^2 + 3x + 2) = A/(x + 2) + B/(x + 1) for all x such that x ≠ -1 and x ≠ -2. Give your answer as the ordered pair (A,B).
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Guest
Jun 2, 2021
0
377
2
Help me plz
Trig
A space shuttle is directed towards the Moon but drifts 0.8° from its calculated path. If the distance from Earth to the Moon is 240,000 miles, how far has the space shuttle drifted from its path when it
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Guest
Jun 2, 2021
+1
492
1
+69
Help Needed
When (a + b)^5 is expanded using the Binomial Theorem for certain values of a and b, the second term is 15, and the third term is 50. Find the first term.
having trouble with this one... thanks in advance.
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juananother
Jun 2, 2021
0
243
0
PLS HELP
Suppose ABCD is a convex quadrilateral with ABC = 144, ADC = 105, and AB = BD = DC. Compute BCD - BAD
Guest
Jun 2, 2021
+1
426
1
+514
How many zeros?
i'm pretty sure you make all the bases 100 and then it would be easier to tell
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mworkhard222
Jun 2, 2021
0
507
5
+1124
Calculate X
Hi friends,
I have a few questions tonight, hope you do not mind...
calculate x
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juriemagic
Jun 2, 2021
0
330
1
Quadratic Inequality
What is the value of b + cif x^2 + bx + c > 0 if only when $x \in (-\infty,2) \cup (3,\infty)$?
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Guest
Jun 2, 2021
+1
407
2
+407
Help ASAP PLEASE!
Suppose you have a weighted coin in which heads comes up with probability 3/4 and tails with probability 1/4. If you flip heads, you win 2 dollars, but if you flip tails, you lose 1 dollar. What is the expected win of a coin flip in dollars?
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ss333
Jun 2, 2021
0
347
1
Geometry
In the diagram, P is on RS so that QP bisects < SQR. Also, PQ=PR, < RSQ=2y degrees, and < RPQ=4y degrees. What is the measure, in degrees, of < RPQ?
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Guest
Jun 2, 2021
0
323
1
Geometry
In triangle ABC, AC = BC, angle DCB is 40 degrees, and CD is parallel to AB. What is the number of degrees in angle ACB?
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Guest
Jun 2, 2021
0
220
0
Sum
Evaluate the sum 1/3^1 - 2/3^2 + 3/3^3 - ... + (-1)^(k - 1)*k/3^k + ... .
Guest
Jun 2, 2021
+1
913
6
+179
Algebra Question.
1. Prove that if the roots of
$$ x^3+ax^2+bx+c = 0$$
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xCorrosive
Jun 2, 2021
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