Saturday
April 19, 2014

Posts by shAY


Total # Posts: 354

geometry
In triangle GHJ, GH=32, HJ=63, and m<G=125. To the nearest then, what is <J?

Geometry
Write a rule in function notation to describe the transformation that is a reflection across the y-axis. A. Rx-0(X,Y) B. Ry-0(X,Y) C. Ry-x(X,Y) D. Rx--1(X,Y)

POL 201
For Max Weber, the bureaucracy was the highest form of rationality because

language arts
The italicized words make up which type of verbal phrase? Turning the corner, Kate bumped into David. A. Split infinitive B. Gerund C. Infinitive D. Participial

5th grade math
wow

history
Which laws attempted to restrict speech that directly criticized the government

solid mensuration
What is the area of a section bounded by a closed elliptical figure whose major and minor segments measure 60 m and 40 m, respectively?

composition 2
Ok, Thanks

composition 2
1. Explain why you think it is important to put observations in writing. How can observation enrich our writing? 2. At what point could making and observation halt or obstruct the writing process, and why?

math
f=795.8 c=0.o10 what is l

Trig
csc thea= -2, quadrant 4. what are the six trig functions?

algebra 1
Thelma wants to find the equation of a line that passes through the point (2, 2) and is perpendicular to the line Which equation best represents Thelma's equation?

english
what do i capitalized in this sentence.john grisham is the author of "the street lawyer".

english
which words should be caoitalized in this sentence st. patricks day is on march 17 every day.

Chemistry
titration of a 50.00mL of KOH required 175.00mL of 0.0150M acetic acid, what is the Molarity of KOH solution

Gen English
Ok im still confused in the poem dreams by langston hughes describe how the poem is structured, or arranged in lines and stanzas.

Gen English
In the poem Dreams by Langston Hughes, Describe how the poem is structerd,or arranged in lines and stannnzas.

physics
thank you

physics
If the specific heat of water = 4190 J/kg /°C and a total of 120g of hot water at 95°C is poured into the calorimeter, resulting in a final equilibrium temperature of 73°C, how many joules of heat are lost by the water? 11061.6 If the specific heat of copper = 390 ...

physics
If the water had lost 12000 joules and the calorimeter gained 1300 joules as the temperature of both rock and calorimeter increased from 22°C to 73°C and the mass of rock in the calorimeter was 185 grams, what is the specific heat, c, of the rock material?

math
find the volume of a square pyramid. Round to the nearest tenth(slant height=20 base=13)

Math/209
Dimensions of a Box A box is made from a rectangular piece of metal with length 50 inches and width 40 inches by cutting out square corners of length x and folding up the sides. (a) Write an expression that gives the surface area of the inside of the box. (b) If the surface ar...

General English Part 11
Describe how the poem is structured, or arranged in lines and stanzas.

english
is always a big name for a little word

English Language Arts
Julius Ceasar: Why does Marullus believe that the citizens should not rejoice in Cesar's conquest?

Intermediate reading
The gist of the lecture is that the United States encourages free trade while many other countries don't ps don't get what u mean by falter it

Algebra
Graph on a number line. 21/2. please help thank-you

algebra
Write a rule for the pattern. -3,-9,-14,-47,-141,.....

Biology
Do you think the Dough will rise the fastest in the sample with the highest , the lowest , or a moderate concentrate of sugra?

pre-algebra
Use algebra tiles to find the difference. Let one white tile equal +1and one black tile equal -1.6-(-9) Thanks

pre-algebra
atoms contain charged particles called protons and electrons. each proton has a charge of +1, and each electron has a charge of -1. A sulfur ion has 16 protons and 18 electrons. find the net charge. Thank-You

pre- algebra 1
Jose has 9 more comic books than Robin.Robin has 5 more comic books than Lee. If jose has 23 comic books,how many comic books dose Robin have? How many comic books dose Lee have?

pre- algebra 1
@ PsyDaG, Thanks for your help. and understand i did not know i posted the same question twice any one can make a mistake. I was'nt trying to make anything go any faster.

pre- algebra 1
Jose has 9 more comic books than Robin.Robin has 5 more comic books than Lee. If jose has 23 comic books,how many comic books dose Robin have? How many comic books dose Lee have?

pre- algebra 1
Solve the inequality. 42<-6d

Pre- Algebra 1
Graph the solutions of the inequality on a number line. c<5

Chem Electron Config
A 10.0-g sample of C2H5OH is burned completely in air. How many molecules of H2O are formed? 3.92×1023 *How many grams are formed?* did anyone figure out how to get the grams of H2O formed?

Chem Electron Config
S2- Cu+ Sn2+ O2- A 1s22s22p63s23p63d10 B. 2s2 C. 1s22s22p63s23p4 D. 1s22s22p63s23p63d104s1 E. 1s2 F. 1s22s22p63s23p64s23d104p65s24d10 G. 1s22s22p63s23p64s23d104p64d105s25p2 H. 1s22s22p4 I. 1s22s22p6 J. none of the above Choose from the list the correct electron configurations ...

Social Psychology
Can someone give me examples of some Alpha Strategies and Omega Strategies? Note:I just need to get some ideas. My textbook have 2 Tables by (Knowles & Linn, 2004) which did NOT help much.

chemistry
which will make you wealthy one mole of pennies (6.02e23 pennies) or one mole of Au atoms(6.02e23 atoms)?

chemistry
How much in $ is one MOLE of pennies?

chemistry
What two conditions necessary for molecules to be polar? Her's my answer pls check. First, at least one covalent bond in the molecule has to be a polar covalent bond. For a bond to be polar, there must be a difference in the electronegativities of the two atoms that are bo...

chemistry
What is the complete ionic equation for the double displacement reaction: CuNO3(aq) + K2S(aq)= what is the chemical name and formula of this chemical reaction? plsss. need help

Chemistry
Would you expect a chemical change to be always accompanied by a physical change? Explain?

Chemistry
which sign of chemical reaction is not detectable by sight?

chemistry
when two solutions are mixed and a new color is observed is this color change an indication that a chemical reaction has occurred? Explain why?

chemistry
Reacting Mg with acid solution to form Mg salt and Hydrogen gas. What are the: 1.general reaction type 2. Chemical equation include phase 3. complete ionic equation include phase 4. chemical equation for the reaction between magnesium with water

chemistry
Hi DrBob222 i mean the evidence of the reaction pls

chemistry
decomposition of water to form elemental Hydrogen and Oxygen gas. What will be the balanced chemical equation, type of reaction and the driving force of the reaction?

chemistry
what is the gas formed when baking soda is added to vinegar? complete the reaction: NaHCO3(s) + CH3COOH(aq)

chemistry
Is there a gas formed if you heat a sugar? What will be its identity

chemistry
what is the lewis dot structure for BN

chemistry
Identify the following molecules as polar or nonpolar. 1. H2S 2. PBr3 3. SiCl4 4. SO2

chemistry
For each of the following bonds, indicate the positive end with \delta^{+} and the negative end with \delta^{-}. Write an arrow to show the dipole for each. 1. Si-Cl 2. Se-F 3. Br-F 4. N-H 5. N-P

chemistry
Write the formulas of the compounds formed Pb+4 with the following anions:OH-, NO3- , CO3(2-), HSO4- , PO4{3-} . Use the given order of anions.

chemistry
For each of the following bonds, indicate the positive end with \delta^{+} and the negative end with \delta^{-}. Write an arrow to show the dipole for each. 1. Si-Cl 2. Se-F 3. Br-F 4. N-H 5. N-P

chemistry
If the boron nitride molecule,BN, were to form, what would its structure look like? pls. need help

chemistry
thanks a lot DrBob222 you're such a big help

chemistry
is IBr a hydrogen bonding or dipole-dipole interactions or dispersion forces

chemistry
Write the formulas of the compound Al+3 formed by specified cations with the following anions:OH-, NO3-, CO3-2,HSO4-, PO4-3 . Use the given order of anions

chemistry
Write the formulas of the compound Pb+4 formed by specified cations with the following anions:OH-, NO3-, CO3-2,HSO4-, PO4-3 . Use the given order of anions

chemistry
Write the formulas of the compound Al3+ formed by specified cations with the following anions:OH-, NO3-, CO3-2,HSO4-, PO4-3 . Use the given order of anions

chemistry
Write the formulas of the compound NH4+ formed by specified cations with the following anions:OH-, NO3-, CO3-2,HSO4-, PO4-3 . Use the given order of anions

chemistry
The half-life for the radioactive decay of calcium-47 is 4.5 days.If a sample has an activity of 4.00uCi after 13.5 days, what was the initial activity of the sample?

chemistry
Technetium-99m is an ideal radioisotope for scanning organs because it has a half-life of 6.0 {\rm hr} and is a pure gamma emitter. Suppose that 280{\rm mg} were prepared in the technetium generator this morning. How many milligrams would remain after the following intervals?

chemistry
Iodine-131, a beta emitter, has a half-life of 8 days.How many grams of a 10.0g sample of iodine-131 would remain after 56.0 days?

chemistry
When californium-249 is bombarded by oxygen-18, a new isotope and four neutrons are produced. Express your answer as a nuclear equation.

chemistry
Radon-222 undergoes alpha decay.what is the nuclear equation

chemistry
Technetium-99m is an ideal radioisotope for scanning organs because it has a half-life of 6.0 {\rm hr} and is a pure gamma emitter. Suppose that 280{\rm mg} were prepared in the technetium generator this morning. How many milligrams would remain after the following intervals?

chemistry
Technetium-99m is an ideal radioisotope for scanning organs because it has a half-life of 6.0 {\rm hr} and is a pure gamma emitter. Suppose that 280{\rm mg} were prepared in the technetium generator this morning. How many milligrams would remain after the following intervals?

math
As an entrepreneur, there are going to be many decisions that you need to make, such as the price to charge your customers for your goods and services. You have just graduated from college and recently opened a specialty pizza restaurant. Based on surveys conducted in your ar...

chemistry
thanks a lot big help

chemistry
The safe level of radon gas at home is 4X10e-12 Ci/L or less. If you measure radon levels in the basement what is the maximum number of Ci that could be safe to find in a basement with dimensions of 12 ft x 15 ft x 6 ft?

chemistry
It takes 1 hour and 17 min. for a 1.000g sample of a certain isotope to decay to 0.121g. What is the half-life of this isotope? plssss helpp

chemistry
if you are exposed to all sources of radiation from natural sources and human activities (worldwide average). How many years would it take for you to absorb a fatal dose of radiation plss help

Science chemistry
It takes 1 hour and 17 min. for a 1.000gsample of a certain isotope to decay to 0.121g. What is the half-life of this isotope? plssss helpp

chemistry, i need help like a.s.a.p!!!!
Volume= 3.1 x 4.6 x 1.9 = 27.094cm3 Density=mass/volume = 19.07g / 27.094 cm3 Density= 0.7038g/cm3 or 0.704g/cm3

Chemistry
Carbon-14 has a half-life of 5730 years In a plant fossil you find that the 14 C has decayed to 1/8 of the original amount how long ago was this plant

Physics
A person walks 13.9◦ north of east for 2.51 km. Another person walks due north, then due east to arrive at the same location. How far due north would this person walk? How far due east would this person walk?

Physics
A person walks 13.9◦ north of east for 2.51 km. Another person walks due north, then due east to arrive at the same location. How far due north would this person walk? How far due east would this person walk?

math
add or subtract the following polynomials as indicated (5.9x3 + 3.4x2 -7)-(2.9x3-9.6x2 +3)

math
tracy had coffee once a day, and the special blend she bought at Donna's Coffee Stop cost about $3.00 a cup. Max bought coffee at Donna's coffee stop twice a day. He bought several different types of special blends that cost $.400 a cup on average 3. Tracy and Max det...

Math
Find the remainder when 13^18 + 19^12 is divided by 247.

Math
what does x reduce to???? 6x=15(mod 21) 2x=5(mod 7) x= ?(mod)7

Math
What are the 3 solutions? I'm stuck! 6x=15(mod 21) a=6,m=21,b=15 d=gcd(6,21)=3 solns. 6x=15(mod 21) 2x=5(mod 7) 21=6(3)+3 6+3(2)+0 0=6-6 6-(21-6(3))=3 6-21+18=3 6( )-21()=3 (21-6(3))(15)-6=3 ???????

Math
Find the units digit in 23^7777 by looking for mod 10.

Math
Consider the congruence 6x=15(mod 21). How many solutions does the congruence have? What are all the solutions?

math
Round all answers to the nearest hundredth square root of b^2-4ac;b=3,a=-1,c=-2?

math
Round all answers to the nearest hundredth -5a^2;a=-2?

world mythology
What are the implied moral values of the Greek/roman underworld?

world mythology
What are the cultural assumptions of the greek/roman underworld?

world mythology
Identify the main characteristics of the Greek/roman underworld

math116
in some year election for the president there were 86.7 million voters,whereas in the next year there were 126.2 million voters. find the percent change in the number of voters.

english language writing skills
after a prolonged delay due to technical difficulties,the program resumed. identify the verb.

English/Literature
List the six people presented in this excerpt from Hiroshima. Besides surviving the explosion of the atomic bomb, what do they have in common?

math
Solve the equation: 6x^2+12x+5=0

Geometry
The ratio of the areas of two similar trapezoids is 1/9. What is th eratio of the lengths of their altitudes?

math, trig
Graph one period of the following function. Show all work . y=2sinx+2cosx

mth, trig
Thanks but how did you find that? My numbers came out completely different -_-

mth, trig
Given cos a=-7/25 in quadrant II , and sin b=-12/13, in quadrant IV , find cos(a+b) and sin2a

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