# 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