Monday

April 21, 2014

April 21, 2014

Total # Posts: 31

**algebra**

6. Vicky factored 30x2 + 76x + 48 as follows: Line 1 30x2 + 76x + 48 Line 2 30x2 + 36x + 40x + 48 Line 3 6x(5x + 6) + 8(5x +6) Line 4 (6x + 8)(5x + 6) A. factored Did Vicky completely factor the polynomial? Justify your response by explaining why it is is completely or by show...

**math**

Juan buys 18 meter of wire. He cuts the wire into pieces of 3 meters long.how many pieces of wire dose he cut?

**english**

Im not really good at English so I need some help with this punctuation Add punctuation to the following excerpt. Writing under the name of Diedrich Knickerbocker Washington Irving aimed his potent satire at as diverse topics as political rivals such as Thomas Jefferson to the...

**english**

Add punctuation to the following excerpt. Writing under the name of Diedrich Knickerbocker Washington Irving aimed his potent satire at as diverse topics as political rivals such as Thomas Jefferson to the very ideal of looking back on the past affectionately: A fine lady, in...

**ENG102**

Question 1. A car moves 26 km due east then 14 km due north. It then turns along a path running north-east with 15 km, then 17 km due west. If the time for the entire journey is 2 hrs, Find; (a) the car’s average speed in m/s (b) the car’s average velocity in km/h . ...

**ENG102**

Question 1. A car moves 26 km due east then 14 km due north. It then turns along a path running north-east with 15 km, then 17 km due west. If the time for the entire journey is 2 hrs, Find; (a) the car’s average speed in m/s (b) the car’s average velocity in km/h

**statistic**

a shipment of 40 television sets contains 3 defective units. How many ways can a vending company can buy five of these units and receive no defective units

**Math**

A circular flower bed has a radius of 33.2 m. An insect crawls around the edge of the flower bed at a rate of 2 meters per minute. About how long does it take the insect to crawl around the flower bed?

**8th grade math**

10/3

**math**

what is five times ten

**Geometry**

How do you prove that the sum of distances to a point from the interior of an equilateral triangle is equal to the height of a triangle, therefore it is invariant and that a parrallelogram's angular bisectors from a rectangle.

**chemistry**

whats a compound

**variables**

solve for w -2(w-4)=4w+26

**Chemistry**

NH3(g)->N2(g)+3/2H2(G)=+45.9KJ(*1/2)and reversed CH4(g)->C(graphite)+2H2(g)=+74.9KJ reversed 1/2H2(g)+C(graphite)+1/2N2(g)-> HCN(g)=+135.1KJ Cancel out C(graphite)and 1/2N2(g) on opposite sides of the reaction. NH3(g)->H2(g)+1/2H2(g)=+45.9KJ (simplified H2(g)with a...

**Chemistry**

NH3(g)->N2(g)+3/2H2(G)=+45.9KJ(*1/2)and reversed CH4(g)->C(graphite)+2H2(g)=+74.9KJ reversed 1/2H2(g)+C(graphite)+1/2N2(g)-> HCN(g)=+135.1KJ Cancel out C(graphite)and 1/2N2(g) on opposite sides of the reaction. NH3(g)->H2(g)+1/2H2(g)=+45.9KJ (simplified H2(g)with a...

**books**

research the story of abraham and isaac in the bible and explain it as a metaphor to the soldiers' fate on pg 89 in the book GENERALS DIE IN BED BY CHARLES YALE HARRISON

**math riddle ALGEBRA WITH PIZZAZZ moving words**

some on help me its with the pen, thing

**chemistry**

I have the chemical equation: CH4 + NH3 + O2 => HCN + H2O, I have to write a balanced equation using the lowest whole number coefficients, including the state of each compound -- HELP PLEASE http://www.daigger.com/equationsbalancer.jsp All are gases, even the water (steam)

**Chemistry**

If one mole of the compound Al4C3 has a mass of 144g and one mole of carbon has a mass of 12g, calculate the relative atomic mass of the element aluminium. 4 Al + 3 C=144 C=12 4 Al + 3 *12=144 solve for Al So C=36 which leaves 108 divided by 4 - so 1 mole of Al = 52 ---- is th...

**Geology**

1b - I have to draw a cross section showing the relationship with gabbro cutting across sandstone and schist with schist being the oldest. 1c - I have to write a brief geological history of the region starting with the oldest events. 200 words. Thanks Desmond I'm saving th...

**Geology**

I know you can't do the work for me - but has anyone done question 1b & 1c for S103 TMA08 - As I am struggling and could really do with some idea of where to look Give us a question. We have no idea what 1b & 1c for S103 TMA08 is????? 1b - I have to draw a cross section sh...

**Science - geology**

The age of a granite can be determined using radiometric dating. Explain the basis for a determination of a 238U-Pb radiometric date of 1120Ma for a granite.......HELP!!! hi sounds like you are on the same course as me i was stuck on this so give this a go as this is what jisk...

**Biology**

can anyone please explain the term regulating mortality factor (regarding the holly leaf miner )and how understanding of this can lead to successful biological control of pests in agriculture and horticulture hi are you doing s103 im finding this whole course very heavy going ...

**Chemistry**

Using a structural formula wrute out the equation for the hydrolysis of lactose - please help! see my posting on April 2, 2007 at 5:12am

**Chemistry**

What is the structural formulae for the hydrolysis of lactose? Lactose is a disaccharide that consists of â-D-galactose and â-D-glucose molecules bonded through a â1-4 glycosidic linkage. So if you are referring to the hydrolysis to the individual saccharides...

**Chemistry s103 Q5**

Sorry cannot get formula to come out right - all items move to left Now you see the problem. But that can be overcome with line drawings and a word of explanation.

**Chemistry s103 Q5**

struggling to get this to come out right: Compound 1 CH2=CH-CH-OH | CH3 + Compound 2 O || CH3-CH-CH2-C | OH | | ? (i) identify any functional groups in compounds 1 & 2 by circling them and naming them clearly. (ii) complete the equation for reaction 1 by drawing the abbreviate...

**Chemistry**

Compound 1 Compound 2 O || CH2=CH-CH-OH + CH3-CH-CH2-C | | | CH3 CH3 OH | | ? (i) identify any functional groups in compounds 1 & 2 by circling them and naming them clearly. (ii) complete the equation for reaction 1 by drawing the abbreviated structural formula(e) of the produ...

**CHEMISTRY**

SORRY ADD ON TO MY PREVIOUS QUESTION. I ALSO NEED TO WORK OUT THE PH OF THE SULFURIC ACID SOLUTION. http://www.jiskha.com/search/search.cgi?query=21g

**CHEMISTRY**

A 21g SAMPLE OF SULFURIC ACID IS DISSOLVED COMPLETELY IN SUFFICIENT WATER TO MAKE A .025 LITRE OF FINAL SOLUTION. CALCULATE THE HYDROGEN ION CONCENTRATION (IN mol1-1)IN THIS SOLUTION. GIVE YOUR ANSWER IN SCIENTIFIC NOTATION TO AN APPROPRIATE NUMBER OF SIG. FIGS. SHOW THE SUCCE...

**chemistry**

NaCN - DEDUCE TYPE OF BONDING THAT HOLDS THIS COMPOUND TOGETHER, EXPLAIN IN 1 OR 2 SENTENCES. There is a covalent bond between the C and N atoms in the CN- ion, and an electrostatic bond between the Na+ and CN- thank you very much

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