problemsolver
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Questions Answered

DorelTibi:
The value of x is 12.
true/false?
http://curriculum.kcdistancelearning.com/courses/GEOMxHSA09/a/assessments/Semester1Exam/Geometry_Semes…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

hannahhatesmath:
Mick said that the circumcenter of all triangles lies either inside or outside a triangle.
Which figure disproves Mick’s statement?
…
 updated one year ago
 2 replies
 1 Medal
Mathematics

sha0403:
for married couples living in suburb the probability that the husband owns his car is 0.8, the probability that his wife owns a car is 0.6 a…
 updated one year ago
 8 replies
 1 Medal
Mathematics

problemsolver:
A question for native speakers 
Fill in the blank
Q)His brother ____________ , RK Narayan.
…
 updated one year ago
 4 replies
 2 Medals
Mathematics

saumyawardhan1:
what is the acceleration when the displacement is directly proportional to time?
…
 updated one year ago
 13 replies
 No Medals Yet
Mathematics

problemsolver:
see question below
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

sel126:
A stone is dropped from a cliff 60m high.Disregarding air resistance, how long will it take for a stone to reach the ground?
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

lgbasallote:
LGBARIDDLE:
An island is only inhabited by liars and truthtellers. On the island, you meet Elgee, Sallote and Bah. Determine what Elgee,…
 updated one year ago
 76 replies
 3 Medals
Mathematics

problemsolver:
The sum of an infinite number of terms of GP is 4 and the sum of their cubes is 192. Find the series.
…
 updated one year ago
 4 replies
 3 Medals
Mathematics

boho_bold:
Suppose a storm blows into the northern United States. The temperature drops from zero degrees Celsius to negative twentyone degrees Celsiu…
 updated one year ago
 2 replies
 No Medals Yet
Mathematics

Needhelp2:
U.S. oil reserves are estimated to be 2.2x1010 barrels (42 gal per barrel). We use about 7.2x108 barrels per year. At this rate, how long wi…
 updated one year ago
 4 replies
 No Medals Yet
Mathematics

sydneypatchett:
you roll two dice. what is the probility that the sum of the dice is odd OR one die shows a 3?
 updated one year ago
 16 replies
 3 Medals
Mathematics

tony15:
Which two triangles are congruent?
ΔHIG ≅ ΔCAB
…
 updated one year ago
 10 replies
 No Medals Yet
Mathematics

L0vely:
NAthan, Joshua, Michelle and Denise were in a room where a porcelain vase was found broken. When an inquiry was conducted by the building ca…
 updated one year ago
 30 replies
 2 Medals
Mathematics

jorgesnz:
What is a valid reason for stating that: http://curriculum.kcdistancelearning.com/courses/GEOMxHSA09/a/assessments/IPIntroductionProofUni…
 updated one year ago
 2 replies
 1 Medal
Mathematics

tony15:
Determine whether ΔABC ~ ΔFED. If they are similar, what postulate or theorem proves their similarity?
…
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

jorgesnz:
Statements can have more than one counterexample.
True or False?
 updated one year ago
 1 reply
 1 Medal
Mathematics

jorgesnz:
If two lines are drawn which intersect a third in such a way that the sum of the inner angles on one side is less than two right angles, the…
 updated one year ago
 2 replies
 1 Medal
Mathematics

greener6:
Which set of numbers could represent the lengths of the sides of a right triangle?
Answer
…
 updated one year ago
 3 replies
 No Medals Yet
Mathematics

Sette:
In the triangle above, the sides have been extended as shown. What is the value of a?
i Believe 40
 updated one year ago
 6 replies
 No Medals Yet
Mathematics

SchoolFreak:
Choose the correct slope of the line shown on the graph below.
Please Explain
 updated one year ago
 30 replies
 3 Medals
Mathematics

lgbasallote:
i need algebra help....i have a formula
\[\huge \frac{r_2}{r_1} = \frac{t_1}{t_2} = \sqrt{\frac{M_1}{M_2}}\]
…
 updated one year ago
 29 replies
 No Medals Yet
Mathematics

problemsolver:
Prove that  \[\dfrac {1} {\sin \left( xa\right) \sin \left( xb\right) }=\dfrac {\cot \left( xa\right) \cot \left( xb\right) } {\sin \…
 updated one year ago
 9 replies
 2 Medals
Mathematics

lsugano:
Find the exact value of sin157.5 in half angle identities
 updated one year ago
 34 replies
 No Medals Yet
Mathematics

problemsolver:
Prove that  \dfrac {1} {\sin \left( xa\right) \sin \left( xb\right) }=\dfrac {\cot \left( xa\right) \cot \left( xb\right) } {\sin \le…
 updated one year ago
 1 reply
 No Medals Yet
Mathematics

cdelomas:
write 480,000 in scientific notation. A rocket travels x0^4 per hour how long would it take for it to reach the moon from the planet.
 updated one year ago
 23 replies
 3 Medals
Mathematics

saifoo.khan:
a,b,c,d and e are all integers where a<b<c<d<e if c,d and e are each greater than the product of the next two smaller values(for example d>b…
 updated one year ago
 15 replies
 5 Medals
Mathematics

cdelomas:
A=P1+r)^n P=200000, r=0.15 and n= 4 years.At the end of4 years A is what
 updated one year ago
 17 replies
 2 Medals
Mathematics

cdelomas:
3x^35x^2+2y Please help me simplify
 updated one year ago
 15 replies
 1 Medal
Mathematics

btnatyam:
A piece of wire 5 inches long is to be cut into two pieces. One peice is x inches long and is to be bent into the shape of a square. The oth…
 updated one year ago
 7 replies
 1 Medal
Mathematics
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