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Post New Question
All Questions
+0
229743 Questions
+3
1101
6
+1011
Hola I had a quick question what does the dot mean in this problem?
dOES it mean Division Multipluction my lesson dosent tell me!
Like hears one of my Problems
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Nickolas
Jul 4, 2019
0
1218
2
Just trying to verify if my answers were correct
The Earth's surface area is approximately 5.1 * 10^8 km^2 (2 s.f.) and its population is 7.6 * 10^9 (2 s.f.). Population density is the number of people per square kilometre. Determine the population density of the Earth assuming all the the surface is
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Guest
Jul 4, 2019
0
814
1
Help..
The points (3,-2) and (-2,3) lie on a circle whose center is on the x-axis. What is the radius of the circle?
THANK U
hectictar
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Guest
Jul 4, 2019
0
927
2
+53
Trig identities
1) tan x tan x/2 =
a. csc x - 1
b. sec x + 1
c. sec x - 1
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cormier123
Jul 4, 2019
Jul 3, 2019
+1
1139
2
+283
I'm confused :/
We have a triangle ABC such that AB = 6, BC = 8, and CA = 10. If AD is an angle bisector such that D is on BC, then find the value of AD^2.
I already tried inputting 52 beacuse AD is the hypotenuse of right triangle
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ANotSmartPerson
Jul 3, 2019
+1
738
2
Help, it would be much appreciated if you do.
The half-life of Iodine - 131 is approximately 8 days, which means the mass of a sample of iodine decays by half every 8 days. The amount remaining can
be calculated using the formula i = 1600 * 2 ^ -t/8 , where t is the time
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Guest
Jul 3, 2019
+1
1396
1
+586
plz help me!
How many positive integers less than or equal to 10,000 are divisible by 2, 5 or 10?
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xXxTenTacion
Jul 3, 2019
+1
1552
4
+586
Divisor Problem
Emma plays with her square unit tiles by arranging all of them into different shaped rectangular figures. (For example, a 5 by 7 rectangle would use 35 tiles and would be considered the same rectangle as a 7 by 5 rectangle). Emma can form exactly ten different
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xXxTenTacion
Jul 3, 2019
+1
1851
1
+586
help
The greatest common divisor of positive integers m and n and is 6. The least common multiple of m and n is 126. What is the least possible value of m+n?
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xXxTenTacion
Jul 3, 2019
+1
1433
1
help
My classroom has 11 rows of chairs, with 11 chairs in each row. The chairs in each row are numbered from 1 to 11. How many chairs have odd numbers?
HiylinLink
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Guest
Jul 3, 2019
0
2612
1
Please help!
Given that $xy = \dfrac32$ and both $x$ and $y$ are nonnegative real numbers, find the minimum value of $10x + \dfrac{3y}5.$
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Guest
Jul 3, 2019
0
802
3
Hi! I have to make a practical for physics, but I can't make them since my multimeter is missing.
Hi! I have to make a practical for physics, but I can't make them since my multimeter is missing.
1. Which rule applies for electrical currents in a series?
2. Which rule applies for electrical currents in a parallel
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off-topic
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Guest
Jul 3, 2019
+1
1857
4
+1712
Help me pls.
The solutions to the equation 6x^2 + 10x = 4 - 10x - 6x^2 can be written in the form x=p+-sqrtQ/R where P and R are relatively prime integers and R>0. What is the product PQR ?
This is a HW problem. Just give
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tommarvoloriddle
Jul 3, 2019
+1
798
3
+1712
I AM SO SORRY I AM POSTING 2 PROBLEMS IN A ROW--- I DESPRETALY NEED HELPP
How many different isosceles triangles have integer side lengths and perimeter 23?
I got 9, the webste says 6 - somebody explain it to meeeee
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tommarvoloriddle
Jul 3, 2019
+1
775
5
+1712
Kind of trying to break the ice
Math TOPIC(and apparently problem) question...
Right, so my question is how do you get the domain of a function?
I know this differs from the traditional one problem, but I think that giving me help on a whole topic will be
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tommarvoloriddle
Jul 3, 2019
0
1295
5
please help!
Keiko tosses one penny and Ephraim tosses two pennies. What is the probability that Ephraim gets the same number of heads that Keiko gets? Express your answer as a common fraction.
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Guest
Jul 3, 2019
0
785
2
please help!
The arithmetic mean of 10 consecutive even integers is 3. What is the least of these 10 even integers?
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Guest
Jul 3, 2019
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