# Posts by Lucia

Total # Posts: 39

**maths**

if platonic solid has 8 vertices and 12 edges calculate the number of faces

*October 26, 2016*

**math**

Based on the data collected by the National Centre for health Statistics and made available to the public in the Sample Adult database, it was found that the percentage of adults who have at some point in their life been told that they have hypertension was 15%. Suppose that a...

*August 11, 2016*

**Mathematical literacy**

Simplify the following equivalent ratios: 45:10:25:55

*August 4, 2016*

**Math/Precal**

The size of a decreasing population is given by p(t)=P0(2)^-t/7 where p(t) represents the population as time, t, in years and p0 is the initial population what percent of the original population will be there after 10 years??

*April 26, 2016*

**life orientation**

write an paragraph in which you put concluding argument around your human rights violation

*March 31, 2016*

**math**

Find the product of 27×60. Then explain how you would use mental math to find the product of 27×600

*November 3, 2015*

**Charlestown high school**

L.o List and discuss any four factors that could threaten the core functions of the media

*September 13, 2015*

**math**

How do you find the actual distances of these problems with a scale of 3/4" = 500 mi. 1 3/4" 14" 13" 3" 6"

*September 1, 2015*

**life orientation**

Assess the extent to which bad road use has a direct impact on the physical,emotional,social and economic aspects to the family,the community and the country

*August 23, 2015*

**life science,business studies,tourism and maths literacy**

1

*March 21, 2015*

**life orientation**

what are the symptoms of intrapersonal?

*February 21, 2015*

**math problem solving**

5000 and 50 because i use expended form

*August 28, 2014*

**life science**

I don't have a solution

*July 31, 2014*

**writing**

No need, I figured it out. Thank you though. Apologies.

*May 22, 2014*

**writing**

I need some help with my intro paragraph for a compare/contrast essay. I have the first and last sentences, just need some help with the filler sentences. Ideas? ( "The similarities and differences between the “Gettysburg Address” and “Pericles' Funeral...

*May 22, 2014*

**english**

for each of the five quotes identify the literal meaning , how this quote develops theme and the sources. these quotes are from hamlet by the way 1.A litte ere the mightiest Julius fell, The graves stood tenantless, and the sheeted dead Did squeak and gibber in the Roman ...

*July 17, 2013*

**L.o**

Stortage of electricity and water

*April 20, 2013*

**Eng 1511**

pls correct this sentence for subject-verb agreement Going home now,how I wish I could get there before it starts to rain.

*February 28, 2013*

**math**

Find the arithmetic sequence if the fourth term is -6 and the eleventh term is -34

*February 19, 2013*

**Physics**

Thank you!

*October 3, 2012*

**Physics**

The position of a particle moves along the equation X = Vo/K (1 - e^(-KT)) Vo and K are constants a)determine the total distance that the particle moves b) Show that the aceleration is derived from the velocity c) Reason how it could take an infinite amount of time to move a ...

*October 3, 2012*

**7th grade social studies**

The roman empire did actually extend to Spain

*October 2, 2012*

**chemistry**

Water from a city well is analyzed and found to contain 25 mg/L of (HCO3)^- and 35 mg/L of (CO3)2^-. Calculate the alkalinity of the water as CaCO3.

*September 30, 2012*

**geometry**

Find the coordinates of the image of the point (4,2) when it is reflected across the line y=3

*June 20, 2012*

**algebra**

The sum of two number is 40.Two times the smaller number exceeds the larger number by 38.Find the number

*June 13, 2012*

**Life orientation**

Identify and describe one environmental problem that causes ill health

*April 28, 2012*

**math**

a parking lot has motorcycles and cars the number of motorcycles is 9 less than math question twice the number of cars if there are 46 wheels amongst all vehicles determine how many vehicles are in the parking lot

*March 20, 2012*

**Physical science**

A copper penny has a mass of of 3gram. The atomic number of copper is 29 and the atomic mass is 63,5gram/mol.what is the total charge of all electrons in the penny?

*March 11, 2012*

**algebra**

21000

*September 14, 2011*

**algebra**

the area of a rectangle is 425 square feet. if the perimeter is 84 feet, find the length and the width of the rectangle

*July 19, 2011*

**8th grade Math**

2x - 4 > 6

*June 10, 2011*

**Math**

How can I prove this identity? (1 + sinØ + cosØ):(1 - sinØ + cosØ) = (1 + sinØ) : cosØ

*May 31, 2011*

**Chemistry**

so then for a weak acid weak base titration indicators don't work?

*May 12, 2011*

**Chemistry**

why is a weak acid weak base titration different from strong acid strong base/ weak acid strong base/strong acid weak base?

*May 12, 2011*

**secondary school**

which is the formula that describes process to transform Fe3+ to Fe2+ thanks to HCl in the stomach?

*April 17, 2011*

**English-Ms. Sue**

I need some help with dangling and mismplaced phrases..can you help me?

*February 7, 2010*

**math**

1506-2x=3x=646-x

*November 16, 2009*

**chemistry/science**

how do i convert mols of Mg to HCl, if the grams of HCl aren't given? p.s we're supposed to use the equation V=n/c (avogadro's law)

*September 24, 2008*

**chemistry/science**

2HCl + Mg = H2 + MgCl2 We are given 0.10 grams of Mg The concentration of Mg = 24g/mol Using avogadro's law (V=n/c; v-volume(L), n-number of moles(mol), c-concentration(g/L)) we have to predict the amount of HCl needed. help !

*September 24, 2008*

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