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All Questions
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234771 Questions
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656
2
A nurse has two solutions that contain different concentrations of a certain medication.
A nurse has two solutions that contain different concentrations of a certain medication. One is a 20% concentration and the other is a 5% concentration. How many cubic centimeters of each should he mix to obtain 10 cc of a 9.5% solution?
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Guest
Feb 18, 2021
0
781
4
+27
Read this excerpt from The Narrative of the Life of Frederick Douglass.
[Mrs. Auld] had bread for the hungry, clothes for the naked, and comfort for every mourner that came within her reach. Slavery soon proved its ability to divest her of these heavenly qualities. Under its influence, the tender heart became stone, and the
read more ..
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Aphmau
Feb 18, 2021
+1
392
1
+108
Help!
Find all solutions to
ab+2a+2b=-16
ac+2a+2c=26
bc+2b+2c=-14
read more ..
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whatdoiputhere
Feb 18, 2021
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605
1
triangle uvw
In the diagram below of triangle UVW, X is a midpoint of UV and Y is a midpointof VW
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Guest
Feb 18, 2021
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401
1
word problem
Which is the correct option?
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Guest
Feb 18, 2021
-1
1047
2
+9
Plez help mee
At a math convention, nine out of eleven people are bored by cable news. If there are 122 people at the convention who are not bored by cable news, then how many people at the convention are bored by cable news?
Logarhythm
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AydenFilmoreismybro
Feb 18, 2021
0
283
0
help with inequality
Find the number of positive integral solutions of
\[\frac{x^2 (3x - 4)^3 (x - 2)^4}{(x - 5)^5 (2x - 7)^6} \le 0.\]
Guest
Feb 18, 2021
0
373
1
coordinates
A triangular region is bounded by the two coordinate axes and the line given by the equation 2x + y = 8 . What is the area of the region, in square units?
ElectricPavlov
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Guest
Feb 18, 2021
0
607
2
+108
The ellipse x^2/49+y^2/b^2=1 has foci at (5,0) and (-5,0).
The ellipse x^2/49+y^2/b^2=1 has foci at (5,0) and (-5,0).
(a) Fimd the length of a semi major axis of this ellipse
(b)compute the value of b
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whatdoiputhere
Feb 18, 2021
0
413
2
question on polynomial
If x^2 - 1 is a factor of x^4 + ax^3 + 3x - b, then what are a and b?
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Guest
Feb 18, 2021
0
401
1
help with geometry
What is AB?
Logarhythm
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Guest
Feb 18, 2021
0
385
1
Help Now
Factor theexpression.
4x + 12y
24 + 36
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Guest
Feb 18, 2021
0
408
1
algebra
Solve (x - 1)^2 - 4*|x - 1| + 3 = 0.
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Guest
Feb 18, 2021
0
293
0
help pls
A group of 10 Caltech students go to Lake Street for lunch. Each student eats at either Chipotle or Panda Express. In how many different ways can the students collectively go to lunch?
Guest
Feb 18, 2021
0
395
1
HELP ASAP
How many subsets of the set $\{1,2,3,4,5\}$ contain the number 5?
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Guest
Feb 18, 2021
0
425
1
coordinates
A segment with endpoints at A(2, -2) and B(14, 4) is extended through B to point C. If BC = 3*AB, what are the coordinates for point C? Express your answer as an ordered pair.
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Guest
Feb 18, 2021
0
403
1
simplify
Simplify the following:
(2y + 1)(4y^10 + 2y^9 + 4y^8 + 2y^7 + 2y^6 + 4y^5)
Express your answer as a polynomial with the degrees of the terms in decreasing order.
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Guest
Feb 18, 2021
0
447
1
help pls
In physics, Ohm's law says that current through a wire, I, is directly proportional to voltage, V, and inversely proportional to resistance, R :
I = V/R
It's also true that resistance is directly proportional to the length of the wire. We
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Guest
Feb 18, 2021
0
350
3
Help! Thanks:)
1. Solve the inequality
2. Solve the inequality
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Guest
Feb 18, 2021
0
458
1
algebra
If 4x = 3y, what is the value of (2x + y)/(3x + 4y)?
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Guest
Feb 18, 2021
0
456
2
Pizza
Diana ate pizza for dinner and had 19 of the pizza left over. On Friday night, she ate 57 of what was left. How much pizza did Diana eat on Friday
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Guest
Feb 18, 2021
0
404
1
Is this False?
If a line has a slope of 0, it will never intersect with another line.
Logarhythm
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Guest
Feb 18, 2021
0
334
1
quadratics help
Find the sum of all integral values of $c$ with $c\le 25$ for which the equation $y=x^2-7x-c$ has two rational roots.
Thanks in advance! :)
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Guest
Feb 18, 2021
0
417
0
+33
Reciprocal polynomial function. Help!
The zeros of y=f(x) are the_____of y=1/f(x)
When y=f(x) is positive/negative so too is y=1/f(x)
When y=f(x) is increasing, y=1/f(x) is_____and when y=f(x) is decreasing, y=1/f(x) is_____.
Any maximum point of y=f(x)
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freshman
Feb 18, 2021
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