# Posts by ibrahim

Total # Posts: 61

**Biology science**

What is the nature of the phloem vessels after they are stained in the microscopic sections

*December 27, 2016*

**Science**

Identify the nature of the walls of the phloem vessels after they are stained in the microscopic sections

*December 27, 2016*

**math**

1.-7/9 x 5/3= 2. -2/5 x 1 1/4= 3. 1 3/5 x 3/4 4.-7/8 x -1 3/7 5. 15 3/4 x 4 PLS HELP!!

*November 14, 2016*

**statistic**

Sam pays $740 for his house, and he wants to see if he pays too much. He asks people who live on the neighborhood with the similar house sizes, and 10 of the people give him their prices. It is found out that the mean and standard deviation of the 10 houses on the neighborhood...

*November 13, 2016*

**N.E.U**

station A and station B apart from rest st station A and acceleration at A constants rate of a=1.2 m.s.s until the mid point to station B it slows down at the same rate a and stop at b final? a) the time of train between station ? b)The maximum speed of the train?

*October 23, 2016*

**science**

Iron is obtained by reduction of iron(iii)oxide gas in a blast furnace.calculate the amount of iron(iii)oxide needed to produce 100tonnes of iron.

*September 29, 2016*

**Chemistry**

87.7%

*July 10, 2016*

**Math**

TO BE WORKED

*May 12, 2016*

**math**

a paper cone have a base diameter of 10cm and height of 12cm.calculate the volume of the cone

*May 5, 2016*

**H/science**

it could be defined as the subject involving the study of the problems of death and basice principles that must be practised inorder to manitain a state of complete physical,mental and social welbeing

*April 22, 2016*

**Math**

an airplane is flying with an airspeed of 145 mph and a heading of 84.5 degrees. q wind of 24.6 omh is blowing at a heading of 68.4 degrees. find the ground speed and course of airplane

*April 14, 2016*

**math**

1.if 3 out of 24 marked scripts have mathematical error and 5 are to be randomly selected for audit,what is the probability that none of the marked scripts with mathematical errors will be chosen? 2.ten identical PCs are in the inventory of a dealer,one has a hidden defect.if ...

*April 2, 2016*

**math**

A manager questioned 100 employees selected as from a workforce of 7000 concerning the opinions of a proposed change in the company medical insurance plan.the medical insurance sales person claimed at least 80% of your workforce will favor this change.However,the manager's...

*April 2, 2016*

**math**

The manager of a retail store knows that 40% of the customers who enter the store will purchase one or more items and 60% will leave without making a purchase.what is the probability that in a sample of 10 customers,five will buy one or more items? Here,the population consists...

*April 2, 2016*

**math**

Suppose 3 balls are drawn at random from a box containing 8red,3white and 9blue balls,combinatorial analysis can be employed to determine the probability that,for instance,all balls drawn are red.determine that: I. At least one is white. II.one of each color is drawn.

*March 28, 2016*

**Physics grade 12**

Two point charges 2uC and 8uC are placed 12 cm apart. Find the position of the point where electric field resultant will be zero

*March 8, 2016*

**physics**

The effective external resistance

*February 20, 2016*

**Maths.physics.chemestry.english**

6x+1/2a -x-2/2a

*February 8, 2016*

**computer**

Give 5 operating system manufacturer and the operating system they have prod

*January 28, 2016*

**further math**

F:x=3 and g:x=3x-2 find fog

*January 28, 2016*

**physic**

What is the formula for finding kinetic energy

*January 28, 2016*

**English**

Action verb

*January 28, 2016*

**Physics**

Charges q1 and q2 lie on the x-axis at points x= -a and x= +a respectively a) how must must q1 and q2 be related for the net force +Q placed at x= +a/2 to be zero?

*January 9, 2016*

**MATH HELP**

Good job i got 5/5 ayayya thx the shining!!

*November 24, 2015*

**MATH HELP**

Good job i got 5/5 ayayya thx the shining!!

*November 24, 2015*

**chemistry**

the volume of a gas measured at 27 c and 101.3 kpa is 20.0 dm3 what final temperature would be required to increase the volume too 40.0 at 101 kpa

*November 6, 2015*

**physics**

a car accelerating from reast at 2m/s2 for 5s?..

*October 17, 2015*

**Science**

yea good answer

*September 28, 2015*

**Wichita State University**

Runner Inc. a U.S. athletic shoe manufacturer estimates he following linear trend model for shoe sales: Qt = a = bt + c1D1 + c2D2 + c3D3 Where Qt = sales of athletic shoes in the tth quarter t = 1, 2, 3,….,28 [2007(I), 2007(II), …..2013(IV)] D1 = 1, if t is quarter I...

*July 11, 2015*

**INT. Algebra**

567

*March 13, 2015*

**algebra (check my answers?)**

AWSM good job!

*February 27, 2015*

**Basic science**

What is the uses of (caco3)

*February 9, 2015*

**Chemistry**

What is the uses of calcium tri oxo carbonate (iv) (caco3)

*February 9, 2015*

**math**

i am a 3digit number that is less than 500. My ones digit is twice the hundreds digit. The sum of the three digits is 14. What number am I?

*November 27, 2014*

**p i s j**

The mass of fan astronaut is 100kg 1)find its weight on earth. 2)find its weight on moon. When the gravitational acceleration on moon is 1.6 ms

*October 19, 2014*

**Can someone check these answer for me?**

b. a. c. c. c.

*October 17, 2013*

**biology**

what is the difference between plant and animal cell

*March 12, 2013*

**math help me plss**

I like ms sue she is helpful!

*January 17, 2013*

**S.S.**

i got 100% thanks!

*January 14, 2013*

**social studies**

How to write 12 December 2012 in five words

*December 12, 2012*

**physics**

5m/s

*February 23, 2012*

**algebra**

what is number 55% of 180

*February 1, 2012*

**math**

i am a 3digit number that is less than 500. My ones digit is twice the hundreds digit. The sum of the three digits is 14. What number am I?

*December 8, 2011*

**math**

mary's age is (2\3) that of peter's .two years ago mary's age was (1\2) of what peter's age will be in 5 years time .how old is peter now?

*December 2, 2011*

**EEE**

the solve of the shipment of 10 items has 2 items defective and 8 items are non defective.IN THE inspection of the shipment a sample of items will be selected and tested.if a defective items is found the shipment of 10 items will rejected.in a sample of 5 items what is the ...

*October 15, 2011*

**physics**

A football coach sits on a sled while two of his players build their strength by dragging the sled across the field with ropes. The friction force on the sled is 1200 N and the angle between the two ropes is 15.0 ∘. How hard must each player pull to drag the coach at a ...

*October 8, 2011*

**math**

0.23976

*July 22, 2011*

**math**

Select a variable (mean, proportion, variance or standard deviation) of interest to you and collect data consisting of at least 30 values. Define the variable. Define the population. Describe how the sample was selected. Use Microsoft Excel (and MegaStat if at all possible) to...

*April 4, 2011*

**math please help me**

Select a variable (mean, proportion, variance or standard deviation) of interest to you and collect data consisting of at least 30 values. Define the variable. Define the population. Describe how the sample was selected. Use Microsoft Excel (and MegaStat if at all possible) to...

*April 4, 2011*

**Math(statisc)**

Select a variable (mean, proportion, variance or standard deviation) of interest to you and collect data consisting of at least 30 values. Define the variable. Define the population. Describe how the sample was selected. Use Microsoft Excel (and MegaStat if at all possible) to...

*April 3, 2011*

**physics**

hi !! :) transport topic ? i just did that and it wasn't my strongest but i'll give it a shot :) hope i help but sorry if its way out lol !! :) a = v-u/t a=x v (final speed) = 50 feet/second u (initial speed) = 200 feet/second t = 5 seconds a=50-200 =-150/5 =-30 or you...

*March 28, 2011*

**accounting**

Assume that the following transactions affected owners' equity for De Soto Inc. during 2011. Feb. 1- Sold 40,000 shares of common stock in the market. Apr. 1- Purchased 3,000 shares of common stock to be held as treasury stock. Paid cash dividends of $0.50 per share. May 1...

*March 28, 2011*

**Chemistry**

C2H3O2- + H2O <-----> C2H3O2H + OH-

*March 28, 2011*

**Communication English**

stimulus response line theory of communication as a process which can be derived by noise. Do you agree?

*April 14, 2010*

**speech**

SAMPLES OF SEND FORTH SPEECHES

*March 6, 2010*

**chemistry**

calculate of mass of KNO3 precipitated when a saturated solutions is coold from 82°c to 25°c

*February 22, 2010*

**english**

The title of the poem The Railings is a symbol of the barrier between the child and father

*May 4, 2009*

**Spanish**

ea tenga

*August 11, 2008*

**L/S/N Government**

what is economic

*December 2, 2007*

**biology**

Mass Is Independent Of Gravity While Weight Is Dependent On Gravity

*January 24, 2007*

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