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Post New Question
All Questions
+0
230625 Questions
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323
1
Quadratics standard form
What numbers multiply to -12 but add to 4
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Guest
Jun 1, 2021
0
255
2
Please help
Let a, b, c, and d be distinct real numbers such that
a = (sqrt4 + (sqrt5+a))
b = (sqrt4 - (sqrt5+b))
c = (sqrt4 + (sqrt5-c))
read more ..
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Guest
Jun 1, 2021
0
382
1
Algebra
For which values of k does the equation (x - 1)/(x - 2) = (x - k)/(x + 6) have no solution for k? Enter all the possible values of separated by commas.
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Guest
Jun 1, 2021
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200
0
Help algebra
Let the reciprocals of the roots of x^2 - 2x + 5 = 0 be a and b. Evaluate a*b.
Guest
Jun 1, 2021
0
393
2
+4
Math/ Graphing
graph the line y=-3
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Poctavio2169
Jun 1, 2021
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197
0
Probability
Let the batch consist of 1150 parts. The inspector performs "n" checks, each detail turns out to be of high quality. What is the smallest "n" with a probability of 0.95 in the batch there will be no more than
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Guest
Jun 1, 2021
0
311
2
Fractions
Find the fraction that equals 0.7266666666... + 0.023333333...
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Guest
Jun 1, 2021
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349
3
Help please!
Question: Bob repeatedly rolls a fair 6-sided die. What is the probability that he rolls his first 5 before he rolls his second (not necessarily distinct) even number?
What I've Tried: Let 'n' be the number of rolls in the
read more ..
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Guest
Jun 1, 2021
0
324
1
Help with quadratic
The roots of the equation 2x^2 - 5x - 4 = 2x + 3 can be written in the form x = (m±sqrt n)/p, where m, n, and p are positive integers with a greatest common divisor of 1. What is the value of n?
MathProblemSolver101
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Guest
Jun 1, 2021
0
347
1
+69
Help please
The sequence (a[n]) satisfies a[1] = 3 and
a[n] = (a[n-1] − 1) / (a[n-1] + 1)
read more ..
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juananother
Jun 1, 2021
0
409
1
Assistance would be appreciated
The roots of the quadratic equation z^2+bz+c=0 are -7+2i and -7-2i. What is b+c?
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Guest
Jun 1, 2021
0
327
1
Geometry
The three angles of a triangle have measures A = x + 2y degrees, B = 6x - 5y degrees, and C = 8x + 3y degrees. Find x in degrees.
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Guest
Jun 1, 2021
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385
2
Floor function
Solve floor(r) + r = 12.2 - r.
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Guest
Jun 1, 2021
0
402
1
+69
interest
what is this???
o
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MusicalMalfunction
Jun 1, 2021
+1
378
3
+514
helppp
is it not just y?
help
read more ..
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mworkhard222
Jun 1, 2021
0
196
0
Interest
Jillian has $2000 in credit card debt. Every month, she pays $200 to the credit card company at the beginning of the month, the credit card company applies a 2% monthly interest rate to the balance at the end of the month, and her balance is always rounded
read more ..
Guest
Jun 1, 2021
0
224
0
B. M mcmmcmx
Find d ratio of 690 girls when Shared by boys according to their age.Jide - 12 years
Tunde - 22 years
ola - 14 years
Guest
Jun 1, 2021
0
325
1
Help algebra
There are values A and B such that (Bx-11) / (x^2-7x+10) = A/(x-2) - 3/(x-5).
Find A+B
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Guest
Jun 1, 2021
0
413
1
please help on this question
For what ordered pair $(a,b)$ are there infinite solutions $(x,y)$ to the system\begin{align*} 4x+ay&=-8,\\ 2x+y&=b. \end{align*}
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Guest
Jun 1, 2021
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325
1
Interest Rates
Dr. Zaius invests $10,000 in a CD with an annual interest rate of 4% that compounds semi-annually (twice a year). After six months, he rolls over the CD into another CD with an annual interest rate of 6% that also compounds semi-annually. After
read more ..
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Guest
Jun 1, 2021
0
385
1
+129
Majrh
The pet store has 8 rabbits for sale. Each morning the owner feeds the rabbits a total of 2 cups of pellets. If each rabbit receives the same amount of pellets, how much does each rabbit receive?
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Soyoxxommm
Jun 1, 2021
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653
2
Please answer question
At my office, $16$ people own cats, $9$ people own dogs, and $3$ people own both cats and dogs. How many people own a cat or a dog?
(Remember that in mathematics, the word "or" is used in the inclusive sense. So
read more ..
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Guest
Jun 1, 2021
+1
311
0
+514
Exponents
How many digits does the number 2516 × 238 have?
mworkhard222
Jun 1, 2021
0
216
0
Function problem
Let
f(x) = x^2 + 9 if x < -5
f(x) = 3x + 8 if x >= -5
If f(x) = 10, find the sum of all possible values of x.
read more ..
Guest
Jun 1, 2021
0
412
1
Arithmetic sequence
The first and ninth terms of an arithmetic sequence are 2/3 and- 4/5, respectively. What is the fifth term?
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Guest
Jun 1, 2021
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