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Post New Question
All Questions
+0
234795 Questions
0
379
1
rates
It takes four painters working at the same rate 1.25 work-days to finish a job. If only two painters are available, how many work-days will it take them to finish the job, working at the same rate? Express your answer as a mixed number.
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Guest
Feb 27, 2021
0
322
1
integer roots
How many polynomials of the form x^2 + mx + n = 0 are there with positive integer roots and n = 30?
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Guest
Feb 27, 2021
0
311
1
quadratic equation
The difference of the roots of the quadratic equation x^2 + 2bx + c = 0 is |b - c|. If c is nonzero, then find c in terms of b.
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Guest
Feb 27, 2021
0
327
1
triangle
What is the greatest possible side length of a triangle whose perimeter is 1000 and all whose sides are even integers.
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Guest
Feb 27, 2021
0
513
1
Math
Suppose that the weight (in pounds) of an airplane is a linear function of the amount of fuel (in gallons) in its tank. When carrying 18 gallons of fuel, the airplane weighs 1999 pounds. When carrying 48 gallons of fuel, it weighs 2164 pounds. How much
read more ..
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Guest
Feb 27, 2021
0
452
1
domain and range
Determine the domain and the range of the graph. Express your answer in interval notation
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Guest
Feb 27, 2021
0
485
1
help plz
Plz explain
Dorothy organises a charity raffle.
read more ..
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Guest
Feb 27, 2021
0
395
1
+4
you have 6 different Algebra books, 5 different Biology books, 4 different Chemistry books, and 3 different copies of the novel Dune. In how
You have 6 different Algebra books, 5 different Biology books, 4 different Chemistry books, and 3 different copies of the novel Dune. In how many distinct ways can you arrange
a) 10 books on a shelf if exactly 4 must be Algebra books?
read more ..
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dog9083
Feb 27, 2021
0
425
3
help geometry
Find x.
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Guest
Feb 27, 2021
+1
493
2
+308
can someone clarify this for me?
Let $f(x) = x^4-3x^2 + 2$ and $g(x) = 2x^4 - 6x^2 + 2x -1$. Let $b$ be a constant. What is the smallest possible degree of the polynomial $f(x) + b * g(x)$?
I don't understand what smallest possible degree means
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notsmart2.0
Feb 27, 2021
0
388
1
algebra
The product of two consecutive integers is 1260. Find the integers.
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Guest
Feb 27, 2021
+1
516
1
+308
help (repost)
Find the coefficient of z in the product (-3z^2-7z+4)(6z^2-z+6)
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notsmart2.0
Feb 27, 2021
0
521
1
geometry
In the figure below, l || m. Find x.
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Guest
Feb 27, 2021
0
462
1
algebra
The real numbers x, y and z satisfy the equations x+2y+3z=950 and 3x+2y+z=450 . What is the average of x, y and z ?
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Guest
Feb 27, 2021
0
650
1
+50
What is the sign of the trigonometric function, given the quadrant the terminal ray of an angle lies in?
What is the sign of the trigonometric function, given the quadrant the terminal ray of an angle lies in?
Select all correct statements.
The cotangent function is positive in quadrant III.
The cosecant function is positive
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nicoledakota2290
Feb 27, 2021
0
354
1
Help please! My homework is due tomorrow!
1. Let , , and . What is ?
2. Let , , and . Find .
3. Let and . Find .
4. The function satisfies for all , . Find .
read more ..
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Guest
Feb 27, 2021
+1
525
1
+308
Need help! part of polynomial textbook
1. Let $f(x) = x^4-3x^2 + 2$ and $g(x) = 2x^4 - 6x^2 + 2x -1$. Let $b$ be a constant. What is the smallest possible degree of the polynomial $f(x) + b * g(x)$?
2. Find the coefficient of z in the product (-3z^2-7z+4)(6z^2-z+6)
read more ..
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notsmart2.0
Feb 27, 2021
0
581
1
Need help! Part of study guide for test.
One interior angle of a rhombus is 150. The area of the rhombus is 50 square meters. What is the perimeter of the rhombus in meters?
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Guest
Feb 27, 2021
0
545
1
I'm stuck on this problem and I would like an explanation. Thanks!
In triangle ABC, AB = 3 and BC = 5. Find the number of possible integer values of CA. (not including degenerate triangles)
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Guest
Feb 27, 2021
0
415
1
In how many ways can you select 6 donuts from 11 varieties?
In how many ways can you select 6 donuts from 11 varieties?
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Guest
Feb 27, 2021
0
406
1
+237
Vietas
find (1+r) (1+s) (1+t) (1+u )if r,s,t,y are the roots of f(x)=3x^4-x^3+2x^2+7x+2
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Charger421
Feb 27, 2021
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