Tuesday
December 6, 2016

Posts by nicole

Total # Posts: 1,831

Chemistry
I need to find the pH of a 500 mL solution of pure water after adding 33.0 mg of H2SO4 and 18.0 mg of HCl. Please help! So far I have tried to find the moles of 33.0mg of H2SO4 and got 3.24. Then I calculated pH by multiplying the subscript of H (2) by the moles (3.24) and ...
November 27, 2016

Chemistry
?????????
November 25, 2016

Chemistry
the solubility of aspartic acid in water is .500 g in 100 mL at 25 degrees C. If .251 g of aspartic acid is dissolved in 50. mL of water at 50 degrees C and let solution cool to 25 degrees C. is the solution supersaturated, saturated, or unsaturated. the solution was not ...
November 25, 2016

Math
I need help with proofs in geometry.
November 20, 2016

Chemistry
The equation is N2 + O2 reacts 2NO Given 12.5 mg of oxygen reacts with 21.4 mg of Nitrogen what mass of product is formed
November 15, 2016

Math
-.1091
November 6, 2016

Math
No, Ms. Sue, but thank you!
November 6, 2016

Math
A car was valued at 30k in 1994, it depreciated to 15k by 2000. What was the annual rate of change between 94 and 2000?
November 6, 2016

accounting
please
November 5, 2016

accounting
help
November 5, 2016

accounting
$16,550
November 5, 2016

accounting
Determine the ending balance of the Merchandise Inventory account given the following transactions: TooDaLoo had a beginning balance of $8,500 in its Merchandise Inventory account. They purchased $45,000 worth of inventory on account from WeeParcel under the credit terms 2/10...
November 5, 2016

Math
A TV that usually sells for $172.36 is on sale for 25% off. If sales tax on the TV is 9%, what is the price of the TV, including tax?
November 4, 2016

Math
Thx!
October 25, 2016

Math
If the legs of a right triangle have lengths of 6 inches and 8 inches, what is the length of the hypotenuse in inches? A.11 B.13 C.10 D.16 Is the answer C?
October 25, 2016

Language Arts
1. Which of the following sentences uses the past perfect verb tense. A) By June, I will have owned the camera shop for a decade. B) After it was sold, I had owned the camera shop for 12 year as C) I cannot recall a time when I have not owned some kind of shop. D) I owned that...
October 24, 2016

ipc
A 95.00 kg man on ice skates catches a ball moving at 18 m/s. The man is initially at rest. The man and the ball move together after the collision. The ball's mass is 0.14 kg. What is the final velocity
October 20, 2016

Physics
A girl jumps off a platform with a horizontal velocity of 2.06 m/s and lands in the water 1.3 s later. Gravity is 9.8m/s^2. How high is the platform.
October 16, 2016

Algebra
josh receives a weekly paycheck from his job. at the end of the week he has $52 remaining. throughout the week he spent a third of his paycheck at the mall and $8 for a new calculator. what the amount of his paycheck?
September 22, 2016

math
find the next three terms in 18,27,36,45
September 21, 2016

Physics
Initially (at time t = 0) a particle is moving vertically at 7.2 m/s and horizontally at 0 m/s. Its horizontal acceleration is 1.3 m/s 2 . At what time will the particle be traveling at 59◦ with respect to the horizontal? The acceleration due to gravity is 9.8 m/s 2 . ...
September 20, 2016

Math
Farmer has a field 1 square mile wide and 1 square mile wide. He divides it into fields 1/3 mile wide and 1/3 mile long how many fields will he have
September 18, 2016

Algebra II
y varies directly as x. if y=-5/8 when x=3/2, find x when y=2/5
September 15, 2016

Math
X=2
September 15, 2016

Chemistry
What am I missing ? Should there be another step?
September 15, 2016

Chemistry
yes 0.2512 M stock so, 0.1410m x 0.01677L= 2.36457^-03 mole used. mols HCL = mols NaOH 0.2512M=2.36457^3
September 15, 2016

Chemistry
A 0.2512 stock sample of HCl is tirade to equivalence . If 16.77ml of 0.1410 M NaOH is required to reach the equivalence point, what volume of stock HCl was used for the tritation?
September 15, 2016

Chemistry
How many potassium ions are present in the following: 1) 3 moles of potassium chloride.
August 28, 2016

Math
The number of eggs Meg collected over the week were: Monday=8 eggs, Tuesday =5 eggs, Wednesday=6 eggs , Thursday=7 eggs, Friday=6 eggs, Saturday=5 eggs. By Sunday the weeks average was 6 eggs per day. How many eggs were collected on Sunday?
August 10, 2016

Calculus rate of change
Can you please check my answers and fix the ones if any that are wrong. Along with help on part d Consider the following fun f(x)=(3/4)x^3- x^3-3x^2+6x A.find relative extrema and identify max and min. I got x=1 max ,±√2 min B.determine the interval(s) where f(x) ...
July 18, 2016

Calculus rate of change
A machine starts dumping sand at the rate of 20 m3/min, forming a pile in the shape of a cone. The height of the pile is always twice the length of the base diameter. After 5 minutes, how fast is the base area of the base increasing? I honestly have no idea how to start this ...
July 18, 2016

math
please help me solve this problem quickly! John and Melanie are designing a science experiment for the school science fair. Their experiment requires a large amount of copper wire. They need 22 spools of copper wire that each contains 31 meters of wire. How many kilometer of ...
July 5, 2016

math
PLS... help me Give the least number that can be rounded to the nearest ten thousands
June 27, 2016

Grammar
THE 2ND ONE
June 11, 2016

History
Which best describes the role of Zionism in ongoing Middle East tensions? It led to disagreements between Arabs and Jews over control of Holy Land. <my choice It created and Independent Palestinian state opposed to Jewish people. It launched a war between moderate Arab ...
May 24, 2016

Math
Find the solution to each equation. 2^x=17 4log4^(x)=7
May 19, 2016

Global Communication
Great, thank you!
May 9, 2016

Global Communication
Is local culture an enabler or a hindrance in planning and executing a strategic communication campaign?
May 9, 2016

Global Communication
Thanks!
May 9, 2016

math
-6t+3(t-2)+5t=8
May 9, 2016

Math
Name things that are false about prime numbers
April 30, 2016

Chemistry
For the reaction 2 NO (g) + Cl2 (g) → 2 NOCl (g) If the concentration of NO is tripled, the rate of the reaction increases by a factor of nine. If the concentration of Cl2 is cut in half, the rate of the reaction is decreased to half the original rate. Find the order of ...
April 17, 2016

algebra
The size of the coyote population at a national park increases at the rate of 4.6% per year. If the size of the current population is 130, find how many coyotes there should be in 6 years. Use the function f(x)=130e^0.046t
April 15, 2016

Math
The Christmas Day parade in Manhattan, New York started on 145th St. The people walked north on this road for 4 miles. Then they turned on 34th street and walked for three more miles. 34th street has a bearing of N46°E. How far is the parade from their starting point on ...
April 11, 2016

Math
A jet took of at a rate of 310 ft per second and climbed in a straight path for 2.4 minutes. What was the angle of elevation of its path of its final altitude was 13,000 ft? Don't know what to convert 2.4 mins to. I got sin of the angle of elevation = 13,000/ ?
April 11, 2016

Math
An airplane flying at 390 mph has a bearing of N 28°W. After flying 3 hours, how far north and how far west has the plane traveled from its point of departure?
April 11, 2016

Math
A plane flies 430 miles at a bearing of S27°E, then turns and flies N63°E for 135 miles. Find the distance and the bearing from the starting?
April 11, 2016

Math
Jake is on the Appalachian Trial hiking. He hikes 8 miles due north and then turns and hikes an additional 10 miles at a bearing of N 67°W at which point he has reached a vista, eats lunch, and decides to bushwhack directly back to the trailhead. How far is he now from the...
April 10, 2016

Math
Jake is on the Appalachian Trial hiking. He hikes 8 miles due north and then turns and hikes an additional 10 miles at a bearing of N 67°W at which point he has reached a vista, eats lunch, and decides to bushwhack directly back to the trailhead. How far is he now from the...
April 10, 2016

Math
A plane flies 430 miles at a bearing of N27°E, then turns and flies N63°E for 135 miles. Find the distance and the bearing from the starting point to the ending point ? I found distance to be 450.69 mi by using A^2+B^2=C^2 because it is a right triangle. I am confused ...
April 10, 2016

Chemistry
Potassium oxide reacts with water to produce of potassium hydroxide. Please provide a balanced equation, and determine how much potassium oxide is needed to produce 80.5g of potassium hydroxide?
April 5, 2016

Math
A bucket holds 0.25 gallons of water. The water is poured into 20 equal-sized containers and there are 12 ounces left. How much does each of the smaller containers hold? (There are 128 ounces in a gallon.)
April 2, 2016

math
Determine the range of 𝑦 = −5cos(𝑥 + 𝜋 6)−3
March 27, 2016

math
Solve for x: 𝑦 = 2sin−1(𝑥 −5)
March 27, 2016

math
Write an equation for a cosecant function with a period of 3𝜋 and a range of (−‡,−2]¾[2,‡)
March 27, 2016

Math
You can put the numbers 1 to 10 on flashcards and show her like for the number 6 put 6 things she likes then do the rest of the numbers. And maybe she knows them give her a litte surprise like a reward her favorite thinGS, candy, toys, and etc
March 16, 2016

math
Two circles of radii 9cm and 13cm have their centres 15cm apart. Find the angle between the radii joining the centres to the points of intersection of the circles. Hence find the overlapping area between the two circles. - (Been struggling with this question, any help would be...
March 10, 2016

Statistics
Suppose a baseball pitcher throws fastballs 80 % of the time and curveballs 20 % of the time. Suppose a batter hits a home run on 8 % of all fastball pitches, and on 5 % of all curveball pitches. What is the probability that this batter will hit a home run on this pitcher'...
March 6, 2016

english
Which sentence contains the correct form of the possessive pronoun?
March 2, 2016

problem solving
Casandra had a pair of mice ,the female gave birth to 8 pups ,four males and four females. in the next term ,5 females each gave birth to 8 pups ,again 4 males 4 females.in the next term,each female does the same and no mice die .how many mice,male and female will Casandra now...
February 28, 2016

maths
four darts are thrown at a dart board .if all four darts hit the board,how many different point total are possible bullseye 9 second circle 7 third circle 4 outer circle 1
February 28, 2016

math
show that the constant p cannot lie between 1 and 2 if the equation px^2-p+10=2(p+2)x has real roots
February 27, 2016

Chemistry
Find the mass of urea (CH4N2O) needed to prepare 50.9 g of a solution in water in which the mole fraction of urea is 7.69×10−2.
February 24, 2016

math
In a three digit number, the hundreds digit is twice the units digit. If the digits are reversed, the new number is 396 less than the original number. Find the number.
February 9, 2016

Social Studies
Yay! Thanks I got them right
February 9, 2016

Social Studies
Ohh would it be D. Fresh water sources?
February 9, 2016

Social Studies
1. You are a migrant worker from India who has come to Kuwait. In which industry are you most likely to seek work? A. Fishing B. Oil** C. Farming D. Livestock B? 2. Which of the following has the greatest impact on human settlement in Iraq? A. Oil resources** B. Mountain ...
February 9, 2016

History
Which was a cause of the English Civil War? disagreements between Protestants and Jews rebellion in the English colonies a split between England and Scotland a dispute between the king and Parliament My answer: a dispute between the king and Parliament
February 3, 2016

History
Oh so it would be belief in predestination??
February 3, 2016

History
What about this one? Which was not a consequence of the Protestant Reformation? decline in literacy wars of religion belief in predestination the rise of nation-states My answer: wars of religion
February 3, 2016

History
Which was not a cause of the Protestant Reformation? worldiness and greed among Catholic officials sale of indulgences Council of Trent the Renaissance spirit of questioning authority My answer: Council of Trent
February 3, 2016

Physics
A cannonball is fired with initial speed v0 at an angle 30° above the horizontal from a height of 42.9 m above the ground. The projectile strikes the ground with a speed of 1.2v0. Find v0.
January 31, 2016

Geometry
What is the distance between point P(-2, 1, 3) and point Q(-1, 4, -2) to the nearest tenth? 35.1 units 9.3 units 18.4 units 5.9 units My answer: 18.4 units
January 29, 2016

Science
I am too
January 29, 2016

English
A- A woman became delirious and died
January 20, 2016

Geometry(Check My Answers)
What is the measure of a base angle of an isosceles triangle if its vertex angle measures 30? 30 150 15 75 <My choice Which lengths could be the side lengths of a triangle? 18cm, 6cm, 13cm <My choice 13cm, 22cm, 7cm 6cm, 18cm, 12cm 22cm, 13cm, 8cm
January 15, 2016

Geometry
What is the slope of the line that passes through (2,1) and (7,-2)? 5/3 -1/3 -3/5 1/5 My answer: -3/5
January 15, 2016

Geometry
The slope of lien b is 1/3. What is the slope of a line perpendicular to line b? -1/3 -3 1/3 3 My answer: -1/3 Note: there is no graph for this
January 15, 2016

Geometry
A line has a slope of 2 and passes through the point (4,0). What are the coordinates of another point that is on the line? (0,2) (2,0) (6,4) (4,6) My answer: (0,2)
January 14, 2016

Geometry
Yes I do, thank you
January 14, 2016

Geometry
A line segment has the endpoints (2,-5) and (-1,-1). What is the slope? -1/6 -6/1 -3/4 -4/3 My answer: -3/4
January 14, 2016

math
given that 4x^2-6x+9=A(x-1)(2x+1)+B(x-1)+C for all values of x, find the values of A, B and C
January 14, 2016

Geometry
108?
January 13, 2016

Geometry
What is the measure of an exterior angle of a regular pentagon? 72 36 120 108 My answer: 120
January 13, 2016

Geometry
Which angles describe <1 and <8? vertical angles alternate exterior angles alternate interior angles corresponding angles My answer: vertical angles
January 13, 2016

Chemistry
What does potassium nitrate form when it decomposes
January 12, 2016

Health Help Me!!
Awesome_prussia is 100% right Thank you:)
January 10, 2016

statistics
On the second day of Statistics, my teacher gave to me….two turtle doves. The pet store that my Statistics teacher frequents has 25 doves, of which 8 are turtle doves. (See * below. This is not a trick question as turtle doves really do exist. If you are visualizing a ...
December 21, 2015

Math Help ASAP PLZ!!!!!
Thank u so much Steve!!! This helps a lot! And also thank you for respecting my request to keep it simple. Not a lot of people these days do that. 5 stars! 😉 Thanks again!
December 17, 2015

Math Help ASAP PLZ!!!!!
I already got the following problem wrong, so I just need help understanding HOW to get the correct answer. "In order to get a certain shade of blue paint, a mixer must have 5 parts white paint to 3 parts blue. If 4 gallons of paint must be mixed, how many gallons of ...
December 17, 2015

Geometry
The contrapositive of the following conditional statement: If a figure has four sides, then it is not a triangle. A.If a figure does not have four sides, then it is a triangle. B.If a figure is a triangle, then it does not have four sides. C.If a figure is not a triangle, then...
December 15, 2015

Physics
A fire hose ejects a stream of water at an angle of 35.8 ° above the horizontal. The water leaves the nozzle with a speed of 21.9 m/s. Assuming that the water behaves like a projectile, how far from a building should the fire hose be located to hit the highest possible fire?
December 13, 2015

Chemistry
At its normal boiling point of 126°C n-octane, C8H18, has a vapor pressure of 760 torr. What is its vapor pressure at 25°C? the enthalpy of vaporization of n-octane is 39.07 kj/mol.
December 11, 2015

Chemistry
Rank the following in order of increasing vapor pressure at 298 k: CH3CH2OH, CH3OCH3, CH3CH2CH3.
December 11, 2015

Math
60-20 > 8x
December 9, 2015

Physics
A zebra sees a lion 300 m to his right. The zebra starts running at 25 KpH straight ahead to get away. At this point the lion launches himself on an intercept course at the zebra at a speed of 31 KpH. a. At what angle does the lion launch himself? b. If both animals continue ...
December 8, 2015

Music
Which units measure the amplitude of sound waves? seconds decibals watts hertz My choice: decibals
November 30, 2015

math
a six sided cubed is rolled. find the probability of p(6)
November 28, 2015

M
FIRST QUESTION: A SOCK DRAWER HAS 2 BLUE PAIR,4 WHITE PAIR, 4 BLACK PAIR. WHAT IS THE PROBABILITY YOU WILL PICK OUT A WHITE PAIR OR A BLUE PAIR. YOU REPLACE EACH PAIR AFTER YOU PICK. SECOND QUESTION: WHAT IS THE PROBABILITY YOU CAAN PICK OUT 1 BLUE, 1 WHITE, OR 1 BLACK. YOU ...
November 28, 2015

Organic Chemistry
What is the optical purity of a partially racemized product is the calculated specific rotation is -8◦ and the pure enantiomer has a specific rotation of -10◦? Calculate the percentage of each of the enantiomers in the partially racemized product. I'm very lost...
November 27, 2015

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