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Post New Question
All Questions
+0
230596 Questions
-1
1426
1
+19
please help quick!
1.Find the constant c such that x^2-5x+c is the square of a binomial.
2.The roots of the quadratic x^2+8x+4 are the same as the roots of the quadratic Ax^2+Bx+1. What is A+B?
3.Find the largest integer m such that the equation
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halppls
Mar 14, 2020
+12
647
5
+1072
Help Please!!!
Let a and b be positive real numbers such that a^b = b^a and b=9a. Then a can be expressed in the form
where m and
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SpongeBobRules24
Mar 14, 2020
0
426
1
help
A merchant borrowed Rs. 2000 from two money lenders. For one loan, he paid the interest at 8% per annum and for the other 6% per annum. The total interest paid for one year was Rs. 135. How much did he borrow at each rate?
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Guest
Mar 14, 2020
0
1196
0
please help
Jordan and Sydney work at a dry cleaners ironing shirts. Jordan can iron 20 shirts per hour, and Sydney can iron 25 shirts per hour. Jordan worked 4 more hours than Sydney and they ironed 350 shirts between them. Determine the number of hours Jordan worked
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Guest
Mar 14, 2020
0
691
1
help
A boy drops a 0.10 kg stone down a 150 m well and listens for the echo. The air temperature is 20°C. How long after the stone is dropped will the boy hear the echo? The speed of sound through air at 20°C is v = 343 m/s.
off-topic
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Guest
Mar 14, 2020
0
861
1
PLEASE HELP!
The height of a ball when it is thrown off a cliff can be represented by the equation h=45-7t-6t^2, where t is time in seconds. In how many seconds will the ball reach a height of 25 feet?
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Guest
Mar 14, 2020
0
460
1
help
The goergeous gown shop had a no tax added sale of the dresses. GInny was so excited that she bought n dresses at $n each, paying for them with several $20 bills. The change she received back was less than $10. How much change
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Guest
Mar 14, 2020
0
568
1
+44
probability problem
Bill, Bob, and Bo each pick a real number between 1 and 6, inclusive. The probability that the sum of the squares of their three numbers is less than or equal to 20 can be expressed in the form , where a and b are both positive integers.
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qwerasdfzxcv1
Mar 14, 2020
+1
684
3
+44
cone problem
When a flask in the shape of an upside-down cone is put on its circular base, the water lies 10 units from the vertex. When flipped, the water lies 3 units away from the base. What is the height of the flask? Express your answer in simplest radical form.
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qwerasdfzxcv1
Mar 14, 2020
0
520
1
need help
Jocelyn and Madelyn go to the movie theater and purchase refreshments for their friends. Jocelyn spends a total of $95.50 on 10 bags of popcorn and 1 drink. Madelyn spends a total of $30.50 on 2 bags of popcorn and 4 drinks.
Determine and
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Guest
Mar 14, 2020
0
418
1
Help ASAP please
What is the greatest positive integer that must divide the sum of the first ten terms of any arithmetic sequence whose terms are positive integers?
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Guest
Mar 14, 2020
0
755
2
please help
What are two consecutive odd integers, such that six times the larger minus two times the smaller is 152?
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Guest
Mar 14, 2020
0
523
1
Help
MathWhiz likes to play a fun number trick on her friends. She tells them to think of a number. She then tells them to subtract their number from 1 and multiply the result by 4. To this product she tells them to add half the difference when 6 is subtracted
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Guest
Mar 14, 2020
0
547
2
+6
please please please help
1) There are 18 padded chairs around a circular table, and the chairs are numbered from 1 through 18 . How many ways can three people take their seats, so that no two people are adjacent?
2) Catherine
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bigbrainedasker
Mar 14, 2020
0
729
1
ive been stuck on this problem for a while
Find the smallest possible value of
where x, y and z are distinct real numbers.
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Guest
Mar 14, 2020
0
565
1
please help
Kevin and Colton go to the movie theater and purchase refreshments for their friends.
Kevin spends a total of $45.00 on 3 drinks and 2 bags of popcorn.
Colton spends a total of $110.25 on 9 drinks and 3 bags of popcorn.
Determine and state the
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Guest
Mar 14, 2020
0
417
1
Calling All Users
How many integers n satisfy
$(n-2)(n+4)<0$
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Guest
Mar 14, 2020
0
477
1
geometry
help, please.
https://free-picload.com/image/qJEYw9
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Guest
Mar 14, 2020
0
488
1
Разрядность чисел
Как регулировать разрядность чисел после запятой?
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Guest
Mar 14, 2020
0
611
0
+312
COUNTING & PROBABILITY II
Alice and Brianna are best friends. They also happen to be in the same math class. Their class has 24 kids and they sit in desks of 2 people. What is the probability that Alice and Brianna sit together?
mathleteig
Mar 14, 2020
0
568
2
help
The third angle in an isosceles triangle is 10 more than 3 times as large as each of the two base angles. Find the measure of each angle.
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Guest
Mar 14, 2020
+1
1005
1
+210
what is a and b
(ar^b)^3=125r^24
whats a and b?, they are both positive
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TacoBell
Mar 14, 2020
0
318
0
pls help
1, Explain how the graph of y = 2 csc (x-π/4)-5 is related to the graph of the basic trigonometric function y = csc x.
1. Explain how the graph of y = -tan(4x)+1 is related to the graph of the basic trigonometric function y
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Guest
Mar 14, 2020
0
541
1
What is the domain and range of these two functions?
What is the domain and range of these two functions?
y-2cos(2x)+1
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Guest
Mar 14, 2020
0
677
1
HELP ASAP
(b) Prove that if then the roots of form an arithmetic sequence.
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Guest
Mar 14, 2020
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