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Post New Question
All Questions
+0
234777 Questions
+1
282
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+22
Please help I am really confused!!!
Eight trials are simulated. The results are shown in the table.
read more ..
ninjahelper5
Aug 18, 2021
-1
257
1
help with counting
English has letters that can be vowels. This includes Y, which can be either a consonant or a vowel; for this problem, we'll consider Y a consonant. The other English letters always consonants. How many two-letter "words" can
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Guest
Aug 18, 2021
+1
329
0
+177
reposted a guest's question.
Find the domain and range of g(x,y) = {mod((x), 2) > 0, -1} in interval notation.
TheGreatestOofman
Aug 18, 2021
0
389
3
An interesting integral
Evaluate the following integral
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Guest
Aug 18, 2021
0
398
1
not showing the equation x answer
the calculator not show the answer to a equation when i click enter after, i typed the equation my teacher gave me
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Guest
Aug 18, 2021
+8
481
3
+191
I attempted to just use the regular way to find the inverse and plug in but my answer is wrong
If ,
Any help would be appreciated.
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OrangeJuicy
Aug 18, 2021
0
545
2
physics please help!!
Problem on Newton's laws:
An object is hung from a spring balance suspended from the roof of a lift. When the lift is descending with uniform acceleration of the balance indicates a weight of 245 N. When the lift is ascending with uniform
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Guest
Aug 18, 2021
0
369
1
algebra
Two mechanics worked on a car. The first mechanic worked for 20 hours, and the second mechanic worked for 5 hours. Together they charged a total of 2150 dollars. What was the rate charged per hour by each mechanic if the sum of the two rates was 145 dollars
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Guest
Aug 18, 2021
0
352
1
help geometry
Circle O and circle P, with radii 3 and 8, respectively, are both tangent to line l at H. Enter all possible lengths of OP separated by commas.
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Guest
Aug 18, 2021
0
380
1
need help
As shown in the diagram, NM is the median of trapezoid ABCD and PQ is the median of trapezoid ABMN. We know AB = 5 and DC = 19. Find PQ.
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Guest
Aug 18, 2021
0
356
1
help plz
Shane deposited 60 dollars in a savings account, earning 5% interest, compounded annually.
To the nearest cent, how much interest will he earn in 3 years?
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Guest
Aug 18, 2021
+1
355
0
+69
Dice probability question
Omar has four fair standard six-sided dice. Omar invented a game where he rolls his four dice over and over again until the number 1 does not appear on the top face of any of the dice. Omar wins the game if on that roll the top faces of his dice show at
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ddocm
Aug 18, 2021
0
361
1
+69
sequence question
A sequence is defined by a1 = 1 and an = a 2 n−1 + 1 for all n ≥ 2. Find the units digit of a1000
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ddocm
Aug 18, 2021
-2
253
0
double the quotient of c and 7
double the quotient of c and 7
Guest
Aug 18, 2021
0
339
1
help with coordinates
The point Z(-3,-2) is rotated 90 degrees clockwise around the origin. What are the coordinates of the resulting point, Z'?
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Guest
Aug 18, 2021
0
340
1
Coordinates
Find the equation of the line that is parallel to the line 4x - 2y = 8 and which passes through the point (0,-8).
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Guest
Aug 18, 2021
0
294
5
HELP!!
For a certain value of k, the system
has no solutions. What is this value of k?
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Guest
Aug 18, 2021
0
398
4
+177
help pls
g(x,y) = {(mod((x), 2) > 0), -1}
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TheGreatestOofman
Aug 18, 2021
0
442
4
+80
HELP NEED TMR
Sasha spent 1/4 of her money on 18 pins and 4 keychains. The cost of 1 keychain is thrice as much as the cost of 1 pin. She bought some more keychains as much as the cost of 1 pin. She bought some more keychains with 1/2 of her remaking money. How many
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DoctorOcopisMonOct
Aug 18, 2021
-2
343
1
I don't understand
Could you explain the steps, I keep getting stuck and getting decimals.
1.
3x-y+4z=15
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Guest
Aug 18, 2021
0
371
1
need help
Given the equation a+b = 30 , where a and b are positive integers, how many distinct ordered-pair solutions (a,b) exist?
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Guest
Aug 18, 2021
0
256
1
Complex root
If 3 + 2i is a solution for x^2 + bx + c = 0, where b and c are real numbers, then what are b and c?
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Guest
Aug 18, 2021
Aug 17, 2021
0
262
1
help geometry
What is the number of degrees the minute hand of a clock moves between 10:21 pm and10:34 pm on the same day?
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Guest
Aug 17, 2021
0
286
1
Help pleaseeee
The ninth phase of the training was probably the most difficult. Astronaut #1 did the best. He only had to start over once every 30 seconds. Astronaut #2 performed very poorly. He had to start every 6 seconds. How many seconds did it take the
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Guest
Aug 17, 2021
0
224
0
help geometry
We can find an acute triangle with the three altitude lengths 1, 3, and h, if and only if h^2 belongs to interval (p,q). Find (p, q).
Guest
Aug 17, 2021
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