Posts by Justice

Total # Posts: 45

math
A water through is to be constructed so that its cross-section is trapezium PQRS in which PQ=RS=6cm, QR=14cm and <SPQ=<PSR=x. (a).Show that the area of trapezium is given as 84sinx+18sin2x (b).Determine its perimeter in terms of cosx

math
MathMate, the triangles are joined together, they share line AC. Hence it is possible to draw them. I would show the diagram but unfortunately I think this system doesn't allow that.

math
If lines AB=6cm, AC=10cm, BC=2•4cm, CD=4cm and AD=X cm. Also angle ABC = angle ACD. (a).Prove that triangle ABC is similar to triangle ACD. (b).Determine the area of the quadrilateral ABCD if the area of triangle ACD is 60cm^2

math
James has 1800sh to buy pencils. There two types of pencils, cheap and expensive The prices differ for 40 sh. If he buys cheap pencils he gets 12 more. What is price of the pencils.

algebra, mathematics
The sum of two numbers is 33. Twice the smaller number from the larger number gives 15. Find the numbers

Algebra 2
The smallest integer that can be added to -2m^3 − m + m^2 + 1 to make it completely divisible by m + 1 is:

Math,algebra,age question
4*x=4+3*x 4x=4+3x 4x-3x=4 x=4

Maths
The parts of a pole were painted red, blue and yellow. 3/5 was painted red, 7/8 was painted blue. What part of a pole was painted yellow?

Physics
V(initial)=*2(g)(h)* **<--- substitute for a square root symbol 22.5743217

English
deez nuts ..... Ha got em

Algebra
Nicole's age is two-thirds of Nathan's age. Two years ago, Nicole's age was half of Nathan's age will be in 5 years. What is Nathan's age?

environmental science
what are the two main factors that determine where organisms live?

Statistics
In the past, the mean running time for a certain type of flashlight battery has been 8.0 hours. The manufacturer has introduced a change in the production method and wants to perform a hypothesis test to determine whether the mean running time has increased as a result. The ...

Ashworth College
A study of students taking Statistics 101 was done. Four hundred students who studied for more than 10 hours averaged a B. Two hundred students who studied for less than 10 hours averaged a C. This difference was significant at the 0.01 level. What does this mean?

Statistics
A study of students taking Statistics 101 was done. Four hundred students who studied for more than 10 hours averaged a B. Two hundred students who studied for less than 10 hours averaged a C. This difference was significant at the 0.01 level. What does this mean?

ashworth college
The amount of Jen’s monthly phone bill is normally distributed with a mean of $50 and a standard deviation of $10. Find the 25th percentile

Statistics
The lifetimes of projector bulbs of a particular type are normally distributed with a mean of 470 hours and a standard deviation of 15 hours. What percentage of the bulbs has lifetimes that lie within 2 standard deviations of the mean on either side?

Statistics
At one college, GPA’s are normally distributed with a mean of 2.9 and a standard deviation of 0.6. Find the 70th percentile.

Statistics
The lifetimes of projector bulbs of a particular type are normally distributed with a mean of 470 hours and a standard deviation of 15 hours. What percentage of the bulbs has lifetimes that lie within 2 standard deviations of the mean on either side? Apply the 68-95-99.7 rule ...

Ashworth college
The lifetimes of light bulbs of a particular type are normally distributed with a mean of 270 hours and a standard deviation of 11 hours. What percentage of the bulbs has lifetimes that lie within 2 standard deviations of the mean on either side? Apply the 68-95-99.7 rule to ...

math
Explain how you can be sure that all the rates you have written on a double number line are correct

geography,maths literacy,life science,agriculture
yes

physics
Fn:340(sin20)(54*9.8)=645.5 fk:.4(645.5)=258.2 a:(340(sin20)-258.2)/54=1.14

physics
Henry you suck

science
no there not the right answers

physics
If a student took a running start before starting to travel up stairs, the power calculated will be incorrect. Why must the student have an initial velocity of zero when the watch is started?

phy
addddabaaccdddaccca cd

Stats
In the past, the mean running time for a certain type of flashlight battery has been 8.0 hours. The manufacturer has introduced a change in the production method and wants to perform a hypothesis test to determine whether the mean running time has increased as a result. The ...

Science (Microscope)
Go do your own homework lazy bum!!!

math
it is 6

Geography
By things tha influence of organisation in clinic

grammar
Getting an education will help with financial planning.

geometry
Two parallel chords lie on opposite sides of the centre of a circle of radius 13cm.their lengths are 10cm and 24cm.what is the distance between the chords?

geometry
Two parallel chords lie on opposite sides of the centre of a circle of radius 13cm.their lengths are 10cm and 24cm.what is the distance between the chords?

geometry
AC = 3x + 1, and BD = 4x + 2

math
Create one equation that shows a function that is translated, stretched, and reflected. After writing your equation, use complete sentences to explain each of the transformations shown in your equation.

5th Grade Math
Thanks!

5th Grade Math
3 1/4 - 1 1/2 = ? I got the answer 1 3/4.

Algebra 1
7x+4-15x=36

Social Studies
It's geographic location

math
what are all of the numbers up to 20 that can be arranged into arrays with two ?

math
WTF?! I am sitting here tryna do that homeowrk... WHAT"S THE ANSWER??!?!?!

Algebra1
1. byd=c 2. 4by=T 3. b=xyc 4. 12xyt=36R

Algebra1
1. byd=c 2. 4by=T 3. b=xyc 4. 12xyt=36R

Mary Chesnut diary
jbgvn juug uhlo