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Questions Answered

Joy~:
Gerald's science teacher mixed room temperature samples of hydrochloric acid and sodium hydroxide in a large beaker. The solution still look…
 updated one year ago
 2 replies
 1 Medal
Mathematics

Maryann1983:
A die is rolled 20 times and the number of twos that come up is tallied. Find the probability of getting exactly four twos.
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

iamforeveryoung:
Write the equation of the circle:
center at origin passing at (2,4)
 updated one year ago
 9 replies
 No Medals Yet
Mathematics

JohnT:
Can you please help me understand the doubleangle formulas better? I see that sin(2x) = (2)sin(x)cos(x), but what if I have sin(5x)? How do…
 updated one year ago
 8 replies
 2 Medals
Mathematics

Ajk:
Sorry for the following mess; I don't know any tagging code. Question: find the area between the two lines, but with respect to y. y = 4 …
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

francis1:
Which of the following is not a property of an acid?
Sour taste
…
 updated one year ago
 8 replies
 1 Medal
Mathematics

michelleerimie:
write a mathematical expression for the dollar vaule of q quarters and p pennies?
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

PuppyLuvrGurl12:
"Solve the inequality."
2x  1 > 6x + 2
…
 updated one year ago
 4 replies
 1 Medal
Mathematics

WriteWrittenWrit:
Write a mathematical expression for the statement 'Y varies jointly with x and the cube of z, and inversely with the square root of w'
Coul…
 updated one year ago
 13 replies
 1 Medal
Mathematics

MrFrizzy:
Find the exact solutions. Half or double angle identity?
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

MBrecht92:
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1:
l…
 updated one year ago
 35 replies
 2 Medals
Mathematics

colegianz12:
An object in which the ends are regular hexagons wascut from a cylindrical wooden solid of length 24 inches and 1.3inches indiameter. Find t…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

monroe17:
Algebraically find the absolute maximum and minimum of f(x)=x3ln(x) over [1,4]
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

Pauloading:
How can I linearize that function?
f(x) = (x^3  2x + 4)^2 where a=1
…
 updated one year ago
 50 replies
 2 Medals
Mathematics

dydlf:
PLEASE PLEASE PLEASE HELP ME :( i have an exam. :( A woman bought a bed priced at $22 950. she decided to pay by installment for 18 months u…
 updated one year ago
 22 replies
 1 Medal
Mathematics

LOOSEr:
The filament of a 240 V, 100 W electric lamp heats up from room temperature to its operating
temperature. As it heats up, its resistance inc…
 updated one year ago
 7 replies
 1 Medal
Mathematics

Raeee_009:
expand and simplify 7(b7),
9(5d7)
…
 updated one year ago
 9 replies
 1 Medal
Mathematics

Raeee_009:
(x8) (x+1)
 updated one year ago
 3 replies
 3 Medals
Mathematics

LOOSEr:
4 A student measures the time t for a ball to fall from rest through a vertical distance h. Knowing that
the equation h = gt2 applies, t…
 updated one year ago
 18 replies
 No Medals Yet
Mathematics

Olympian2016:
A line has a vertical change per unit of horizontal change of 5/4 and passes through point ( 2, 2) .
Which is another point on the line? …
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

Emmy82650:
Vertex form equation to standard form?
 updated one year ago
 93 replies
 1 Medal
Mathematics

AGarcia2013:
x varies inversely as y2, and x = 4 when y = 10. Find x when y = 2.
 updated one year ago
 3 replies
 2 Medals
Mathematics

debbie_27:
How to find the average of fractions in this equation:
2 1/8, 4, 1 3/4, 3 5/8
 updated one year ago
 13 replies
 No Medals Yet
Mathematics

gerryliyana:
Solve this differential equations
 updated one year ago
 34 replies
 5 Medals
Mathematics

Wiskomen:
Hi everyone,
I'm still at high school and the level of maths there is half of the level of maths of the Single Variable Calculus course I…
 updated one year ago
 4 replies
 1 Medal
Mathematics

taylorvk7:
√ 4

5√ 3
…
 updated one year ago
 20 replies
 1 Medal
Mathematics

ramirokool:
Last Question.
Which point would be in the solution of x > 4?
Answer
…
 updated one year ago
 4 replies
 1 Medal
Mathematics

ramirokool:
Solve for y: x  y < 10.
Answer
…
 updated one year ago
 13 replies
 1 Medal
Mathematics

Life:
how do i find r in a geometric sequence?
1,1/3,1/9,1/27
 updated one year ago
 11 replies
 1 Medal
Mathematics

ridgeboy36:
what is the 7th term of the geometric sequence 1,4,16,...? Answers to choose from.
a)16,384
…
 updated one year ago
 17 replies
 2 Medals
Mathematics
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