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Questions Answered

ariyanamckeown:
Group Title
Two lines are parallel. The equation of the first line is y = –3x + 5. Which of the following cannot be the equation of the second line?
A.…
 updated 4 months ago
 3 replies
 No Medals Yet
Mathematics

sarah1017:
Group Title
What is the standard form of the equation of an ellipse with foci at (+3,0) and covertices at (0,+5)?
Please show all steps!
 updated 4 months ago
 30 replies
 4 Medals
Mathematics

jwodub:
Group Title
n(A)=10, n(AB)=3, and n(A U B)=19, what is n(B)?
 updated 4 months ago
 2 replies
 No Medals Yet
Mathematics

jeaannebad:
Group Title
Superman needs to save Lois from the clutches of Lex Luthor. After flying for 6 seconds, he is 1900 meters from her. Then at 13 seconds he i…
 updated 5 months ago
 32 replies
 1 Medal
Mathematics

Genesis0_0:
Group Title
x+462=3x+12
 updated 5 months ago
 4 replies
 2 Medals
Mathematics

angelique18:
Group Title
Find a cubic function with the given zeros.
Square root of six.,  Square root of six., 3
…
 updated 5 months ago
 10 replies
 1 Medal
Mathematics

sdavila:
Group Title
A box contains plain pencils and pens. A second box contains color pencils and crayons. One item from each box is chosen at random. What…
 updated 5 months ago
 7 replies
 1 Medal
Mathematics

KimberlyArely:
Group Title
4.5 qt / min = ____ gal / h
a.
…
 updated 5 months ago
 2 replies
 1 Medal
Mathematics

sleung:
Group Title
Okay, I have another one here: Suppose that
X1,...,X100
are random variables with
…
 updated 5 months ago
 16 replies
 1 Medal
Mathematics

annipuppi:
Group Title
what would be the sin, cos, and tan ratios of a triangle where the opposite side is 2.5, the adjacent side is 16, and the hypotenuse and 16.…
 updated 5 months ago
 1 reply
 No Medals Yet
Mathematics

QueenBee232:
Group Title
"Which function's graph has asymptotes at values x = +/ npi?
1. y = csc x
2. y = tan x
…
 updated 5 months ago
 1 reply
 No Medals Yet
Mathematics

sleung:
Group Title
A life insurance company classifies its customers as being either high risk or low risk. If 20% of the customers are high risk, and high ri…
 updated 5 months ago
 3 replies
 1 Medal
Mathematics

AngelCriner:
Group Title
http://awesomescreenshot.com/0662ct9i97
 updated 5 months ago
 2 replies
 1 Medal
Mathematics

needinyohelp:
Group Title
Simplify the given expression.
(6 + 2i) − (8 − 3i)
 updated 5 months ago
 5 replies
 1 Medal
Mathematics

denningkay:
Group Title
Which of the following words is NOT an example of a countable noun? A. cereal B. cup C. window D. magazine
 updated 5 months ago
 1 reply
 No Medals Yet
Mathematics

nicoleamy31:
Group Title
how to factor 3x^2+19x+28
 updated 5 months ago
 2 replies
 1 Medal
Mathematics

sleung:
Group Title
A fair 6sided die is rolled 1,000 times. Using a normal approximation with a continuity correction, what is the probability the number of 3…
 updated 5 months ago
 12 replies
 1 Medal
Mathematics

Obvial:
Group Title
what is the LCD of 3/10 and 4/15?
a.30
…
 updated 5 months ago
 3 replies
 1 Medal
Mathematics

johnjan:
Group Title
a 3x3x3 cube is built out of 27 1x1x1 blocks. Then, seven 1x1x1 blocks are removed. Specifically, the center block from each of the six of t…
 updated 5 months ago
 3 replies
 1 Medal
Mathematics

pandaluver44:
Group Title
Victor drives 300 meters up a hill that makes an angle of 13 degrees with the horizontal. To the nearest tenth of a meter, what horizontal d…
 updated 5 months ago
 1 reply
 No Medals Yet
Mathematics

Rileymann03:
Group Title
What is 6% wrote into a ratio
 updated 5 months ago
 3 replies
 No Medals Yet
Mathematics

afievans:
Group Title
Find the domain of the composite function f∘g. f(x)=x^2+2; g(x)=√x−1
 updated 5 months ago
 7 replies
 No Medals Yet
Mathematics

Adriel13:
Group Title
Which equation represents exponential decay?
A. y = 8x
B. y = .08x…
 updated 5 months ago
 9 replies
 1 Medal
Mathematics

laurenmack:
Group Title
what is the soultion of the system?4x+3y=12
 updated 5 months ago
 4 replies
 1 Medal
Mathematics

clynnew:
Group Title
Which system will have an infinite number of solutions?
A. –4y = –6x + 8
y=3/2x2
…
 updated 5 months ago
 4 replies
 1 Medal
Mathematics

WhilMarie:
Group Title
A college freshmen must take a science course, a humanities course and a mathematics course. If she may select any of 6 science courses, any…
 updated 5 months ago
 9 replies
 No Medals Yet
Mathematics

nainai100:
Group Title
Thirty three students went out for junior high football. How many ways can the coach create a lineup of 11 players ?
…
 updated 5 months ago
 1 reply
 No Medals Yet
Mathematics

lesliemolina:
Group Title
Which of the following best defines 4 to the power of 2 over 3?
Square root of 16
…
 updated 5 months ago
 4 replies
 1 Medal
Mathematics

cozzisabrina:
Group Title
Carlos was tracking the increasing number of people walking down the street. At 6 a.m. there were 57 people. At 8 a.m. there were 65 people.…
 updated 5 months ago
 1 reply
 No Medals Yet
Mathematics

joanna.m:
Group Title
Evaluate x 1  x 1 + x 0 for x = 2.???
 updated 5 months ago
 3 replies
 No Medals Yet
Mathematics
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