# Posts by daria

Total # Posts: 12

math
Ghulam sees the school 800m in the distance. He looks up to the top of the school and the angle of elevation is 32 degrees. Of Ghulam eyes are 1.5 meters above the ground, what is the height of the school, to the nearest metre ?

MATH
Perform the operation for each equation, if there is a solution (Matrices) [4k -8y ] [5k+6y 2k+1] [6z - 3x] - [2z+5x z+4] [2k + 5a] [4k+6a 3a+2]

Math
Find the matrix product, if possible: [6 0 -4 ] ]1] [1 2 5 ] [2] [10 -1 3 ] [0]

disease
Both are derived from an inadequate functioning of the parathyroid gland. Tetany is usually due to 'hypocalcemic' issues related to the parathyroid's inability to regulate calcium in the vascular system.

Chemistry
An antacid tablet weighing 1.462 grams was dissolbed in 25mL of 0.8M HCl and diluted with water. The excess HCl was titrated with 3.5 mL of 1.019M NaOH solution. 1. Calculate the number of millimoles added to the tablet 2. Calculate the number of millimoles of NaOH required to...

accounting
Why didn’t more whistleblowers come forward, and why didn’t some make significant difference? How would whistleblowers have been encouraged?in enron case.

accounting
Did Enron’s directors understand how profits were being made in this segment? Why and why not?

AE
Hello! I am a student from Romania and I am writting a paper on School Social Work. The information about the low SES is extremely useful to me. Can somebody please give me the title of the book where I can find it? This is very much appreciated, for the progress of Science in...

plants
what is the main purpose of fruit pruduction by a plant

calculus
Differentiate e^(2x^3+x) X tan(x^2) tan e^x / ln(x^6/2-3x+3e) cos(tan(e^4x^2))

calculus
Find the second derivative of y=loge(logex) Show that y=loge(logex) is a solution of the equation xd^2y/dx^2 + x(dy/dx)^2 + dy/dx=o

calculus
find the derivative of the function y=x^x Hence fin the coordinates of the turning point of the funcion y-x^x. Give the values correct to two decimal places

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