Posts by Jojo

Total # Posts: 374

Math PLZZ HELP ME!!
Thanks so much!!:)

Math PLZZ HELP ME!!
Can someone please explain me how to construct a perpendicular bisector!

Math HELPP!!
Eric Drew and up to's triangle. Which of the following could be true for Eric's triangle. A: all three angles have equal measures B: possible angle measures of the triangle are 92, 48, and 40•• C: two of the angles are equal, and the third angle has a measure...

Math HELPP!!!!
as a part of a geometry assignment john drew an equilateral triangle. which of the following dimensions could reprent the side length of the triangle john drew? 10,11,12 13,15,17 16,18,21 17,17,17•• Correct me!!

Math. PLZZZ HELP ME!!!
So it's A right?

Math. PLZZZ HELP ME!!!
Jackson made a poster in the shape of a quadrilateral. Opposite sides of the poster are congruent and parallel. Which of the following names the shape of Jackson’s poster? A.square B.rhombus C.rectangle D.trapzoid•• Correct me

Art
Never main I think it's B

Art
according to egyptian mythology horus son Kebehsenuef fit who has the head of a hawk. what characteristic might make Kebehsenuef fit for the job of watching a dead mummy vital organs? A kind and caring heart The keen eyes of a bird of pray Ingenuity A tendency towards anger&#...

Art
Which of the best definitions of personification? Giving animals and objects human characteristics•• Developing new characteristics of Personality Giving yourself the characteristics of someone else Giving human characteristics of animals Correct me if I'm wrong!!

U.s GOVERMENT
Which Enlightenment thinker wrote that people in society are bound to one another by an implicit 'social contract'? A. Voltaire B. Marie Arouet C. Jean-Jacques Rousseau D. Thomas Paine

physics
A ball is thrown vertically upward with a speed of 19.0 m/s. (a) How high does it rise? (b) How long does it take to reach its highest point? (c) How long does the ball take to hit the ground after it reaches its highest point? (d) What is its velocity when it returns to the ...

physics
A jet plane lands with a speed of 81 m/s and can accelerate at a maximum rate of −5.00 m/s2 as it comes to rest. (a) From the instant the plane touches the runway, what is the minimum time needed before it can come to rest? (b) Can this plane land on a small tropical ...

physics
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 205 mi/h in 2.70 s. (a) Find the average acceleration of the plane. (b) Assuming the acceleration is constant, find the distance the plane moves.

trig
In a certain right triangle, the two sides that are perpendicular to each other have lengths h = 4.40 m and b = 8.70 m. What is the length of the third side of the triangle?

physics 1
A ladder 8.70 m long leans against the side of a building. If the ladder is inclined at an angle of 69.0° to the horizontal, what is the horizontal distance from the bottom of the ladder to the building?

physics 1
The base of a pyramid covers an area of 13.0 acres (1 acre = 43,560 ft2) and has a height of 481 ft. If the volume of a pyramid is given by the expression V = (1/3)bh, where b is the area of the base and h is the height, find the volume of this pyramid in cubic meters.

physics 1
A house is 80.0 ft long and 22 ft wide, and has 8.0 ft high ceilings. What is the volume of the interior of the house in cubic meters and cubic centimeters?

economic
1 THE COPPERBELT UNIVERSITY SCHOOL OF BUSINESS BSP 110 PRINCIPLES OF ECONOMICS 2015 ASSIGNMENT DUE DATE: 4th January 2016 at 10am QUESTION A manufacturing firm in Kitwe has a normal demand curve given by Q = 5,000 – 100P and its total cost curve in the relevant range is ...

economic
1 THE COPPERBELT UNIVERSITY SCHOOL OF BUSINESS BSP 110 PRINCIPLES OF ECONOMICS 2015 ASSIGNMENT DUE DATE: 4th January 2016 at 10am QUESTION A manufacturing firm in Kitwe has a normal demand curve given by Q = 5,000 – 100P and its total cost curve in the relevant range is ...

economic
q = 5,000 - 100p tc= 10,000 - 10q plot the demand curve marginal revenue curve marginal cost curve profit maximising price, quantity, and profits

managerial finance
Completed all answers except the last one and I am stuck. Can someone please show me how to solve? I can't figure it out and I would like to have the steps so I can learn how to solve. Thank you! Jiminy's Cricket Farm issued a 30-year, 7.2 percent semiannual bond 6 ...

trinometry
consider the polar equation r=7 cos(θ+ pi divided by 4) A) change the equation to rectangular coordinates. B) by completing the square, obtain the Standard form of this well-known equation. I NEED HELP WITH THIS PROBLEM I DON'T KNOW WHERE TO START.

Algebra 2
Give the domain of the function. g(x)= x^3-1 I think the domain is all real numbers. Am I wrong? If so why?

trignometry
Some equations cannot be solved by symbolic manipulations. Use a graph to find all solutions of the equation sin 8x = 2x - 1. Show the details in a sketch of the graph.

trignometry
Give a list of solutions, in the interval [0, 360°), in degrees, of the equation 2cos^24θ + 5 cos 4θ = 3.

trignometry
give answer in radians for the following equation: sin(x)+2sin(x)cos(x)=0

trigonometry
solve for equation x(give answer in radians using exact values only. 2sin(x)+cot(x)-csc(x)=0

Algebra
Kit is right

Finance
You plan to start a

science
talon is 100% correct thank you talon for the good grade you help me a lot:)

Science
so what is the answer psyDag

Algebra 1
Abby is Dumb she got both wrong what a stupid kid. smh leaving me with a 33% thanks a lot!

s. economics
Brooke and Georgia are neighbors. Each have 40 hours per week. Brooke needs 5 hours to paint a beautiful picture and 2 hours to make a picture frame. Georgia takes 8 hours to paint an equally beautiful picture and 4 hours to make a picture frame. What two conditions are ...

Language arts help
the answers are C B A C B just took it and it was 100% I promise.

ENGLISH
yupp 1. A 2. B 3. B IS CORRECT THANKS!

chemistry
If a 0.01M Mn(NO3)2 solution has an ammonia concentration of 6.0M, would a precipitate form? Calculate the ion product and compare to Ksp.

physics
When a driver presses the brake pedal, his car stops with an acceleration of -8.7 m/s2. How far will the car travel while coming to a complete stop if its initial speed was 10 m/s?

physics
A marble is flicked horizontally off a desk with a speed of 3.1 m/s. If it takes the marble 0.8 seconds to hit the ground, how far from the desk does it land?

chemistry
if you are given 25 grams of H2O how many grams of H2 can you produce??? i am lost... help

chemistry
how many moles of hydrogen would be produced from 16 moles of Na?/ xH2mol/16Namol??/

chemistry
is the formation of an aqueous solution with water, a physical or chemical property? physical..... because the substance doesn't change.....

chemistry
okay, i get it, thank you!

chemistry
how many significant figures are in the measurement 0.002 ml? 2??

chemistry
what part of the meniscus must be read to accurately record the volume of a liquid in a graduated cylinder??? the lowest of the bubble?

chemistry
if 15.95 g dissolves in 100ml of water what will be the solubility in g/ml expressed to the proper number of significant figures?/ 15.95/100 =.0595

Social Studies
explain whether conflict was unavoidable in Colombia. Why or why not? i don't understand.

math
a ship leaves point A and travels 60 miles due east, then travels northward 59 degrees to point C, and travel 60 miles to point C, find the distance from point A to point C

science(check answers)
So there is no answer??

chemistry
yeah I'm not sure...an example in the book just equates them, its for a catalyzed reaction by saying k1/k2=(Ae^-Ea/RT)/(Ae^-Ea/Rt)=e^-Ea/RT but I'm not sure about that way.

chemistry
i'm stumped on how to write this in mathematical form. it says the rate increased by a factor of 2000, I am supposed to determine by what percent the Energy of activation will be reduced. The answer is 25% in the book. I don't know how they get the answer using this ...

Please Help!
no the the answers are a,c,d

Science
In the ocean, there are area's where there are very few living things. _______ is the term that when this happens to a natural area.

Chemistry
1. What would be the effect on the reaction rate if the [O2] were doubled? 2. What would be the effect on the reaction rate if the pressure on the reaction were doubled? 3. Assume the reaction is reversible and at equilibrium. What shifts in the equilibrium of this reaction ...

chemistry
A scientist measures the standard enthalpy change for the following reaction to be -172.4 kJ : 2SO2(g) + O2(g) 2SO3(g) Based on this value and the standard enthalpies of formation for the other substances, the standard enthalpy of formation of SO2(g) is what in kJ/mol?

Science for ms. Sue
It is false.. I agree with Bob!

POL 201
The Mayflower Compact was a type of early constitution because (Points : 1)

Science
a

math
shabalaba ding dong is coool 23451=34+4

Chemistry
What is the molarity of a 2.50 x 102 cm3 solution containing 560.0 g of C6H12O6?

English
Write a paragraph in which you compare and contrast the motivations of Brutus and Cassius, and determine whether the ends justify the means. ("The ends justify the means" is simply saying that the good results, or "ends," make it acceptable, or "...

la
thank you and it does not suck you were the only one who gave us the answer for #3 it was a big help, "made you look"

stats
a hat contains a number od cubes: 15 red, 10 white, 5 blue and 20 black,20 years gone and i am back again. one cube at random. what is the probability that it is: a) a red cube? b) not a red cube? c) a cube that is white or black? d) a cube that is neither white nor black? e) ...

algebra - check my answer?
Anonymous is 100% correct

stats
i need help with this Question The following data represents Total Credit Hours from our class survey. 90 54 98 45 65 43 12 48 56 12 15 60 38 18 67 125 50 43 26 64 22 52 69 You may use your calculator to find the following statistics: Mean __________ Median _______ Mode (if it...

STATS
i really need more help with A1, A2, B1, B2. the most

STATS
i need help with this Question The following data represents Total Credit Hours from our class survey. 90 54 98 45 65 43 12 48 56 12 15 60 38 18 67 125 50 43 26 64 22 52 69 You may use your calculator to find the following statistics: Mean __________ Median _______ Mode (if it...

Language Arts
Maria katie, Shayla, Ms. Sue is 100%toe correct.

Scientific Literacy
i have the same questions and i need answers asap

Stat
1) one indicator of a outlier is that an observation is more than 2.5 standard deviations from the mean. Consider the data value 80. (a) if a data set has mean 70 and standard deviation 5, is 80 a suspect outlier? be sure to work that explains your answer (b) if a data set ha ...

Stat
when you are comparing two sets of data, and one set is strongly skewed and the other is symmetric, which measures of the center and variation should you choose for the comparison?

chemistry
what is the initial rate of the reaction, in mol/(L*s), under theswe conditions? Concentration=0.40 mol/L

chemistry
what is the initial rate of the reaction, in mol/(L*s) under these conditions? Concentration= 0.40 mol/L

chemistry
nitrosyl bromide, NOBr is formed from NO and Br2-. Experiments show that this reaction is second order in NO and first order in Br2. what is the rate equation for this reaction?

Science
The answer is B. you're correct

English Check my answers please
Anonymous and anon are 100% correct A C --- A D B B A B ---

Science
100% its A B B D D

chemistry
The vapor pressure of ethanol is 54.68 mm Hg at 25oC. How many grams of chlorophyll , C55H72MgN4O5, a nonvolatile, nonelectrolyte (MW = 893.5 g/mol), must be added to 207.6 grams of ethanol to reduce the vapor pressure to 53.60 mm Hg ? ethanol = CH3CH2OH = 46.07 g/mol.

chemistry
calculate the Henry's law proportionality constant for N2? partial pressure at 1 atm=0.78 atm solubility at 1 atm= 5.3 x 10^-3 mol/L

chemistry
what is the solubility of N2 at a pressure of 10 atm? partial pressure at 1 atm=0.78 atm solubility at 1 atm= 5.3 x 10^-3 mol/L

chem
at a depth of 100m underwater the water pressure is equal to 10 atm of pressure. what is the partial pressure of N2 at a pressure of 10 atm?

Science
I_Dont_Have_A_Name is 100% correct thank you so much I_Dont_Have_A_Name you got me a good grade. #connexus 8th grade

chemistry
A 35.0g sample of ethylene glycol is dissolved in 500.0g of water. The vapor pressure of water at 32C is equal to 35.7mm Hg. What is the vapor pressure of the water-ethylene glycol solution at 32C?

chemistry
The concentration of CO2 in an unopened soda can is 0.0506 m at 25 C. What is the partial pressure of CO2 gas in the can?

chemistry
The partial pressure of O2 in your lungs varies from 25 mm Hg to 40 mm Hg. What mass of O2 can dissolve in 1.0L OF water at 25.0oC when the O2 partial pressure is 40. mm Hg?

math
Certain investments compound interest at different intervals. What effect does the size of the compounding interval have on the yield of the investment?

Math
How to sketch a visual model to find the total distance that Luke rode.

math
100 eighth grade students were interviewed about their favorite subject at school. 45 said Math, 70 said English, and 5 said neither. Using a Venn diagram, how many said both?

government
same government

math
(a)Given the points P(3,5),Q(8,10)and R(8,0),find the equation of a line which is perpendicular to QR and passes through the mid point of QR. (b)The line 2x+3y=2 and 7x-3y=10 intersect at A . Find the equation of the line which passes through A and is perpendicular to the line...

chemistry
how many moles of nh3 are produced from 16 grams of n2 ?

CHEM-PLEASE HELP
1- Calculate the equilibrium concentration for H+, HSO4- and SO4^2- , given a .150M H2SO4 solution. the Ka for HSO4- is 1.20*10^-2

CHEM HELP PLEASE
1- the vinegar soltion sold in the store is about 5% acetic acid. Assuming that the solution has a density of 1.01 g/mL, calculate the pH of vinegar.

physics
Q 4_1? 4_2? 4_3? plz help.

physics
problem E2_2 Strain, boundary conditions, displacement and elongation: Part I Plz help.

stoichiometry
what is the mole ratio of oxygen to water

Physics
plz help problem 4_1?

Physics
thanks regz.

Physics
E2_2: E2_3: PLZ help

Physics
3_2(a) 3_2(b) plz help.

Physics
problem3_1 second part, Obtain the numerical value of the displacement of section c....! plz help?

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