Monday
August 29, 2016

Posts by anonymous

Total # Posts: 98,975

MATH
What f-1(x) of f(x)=(1/3)^x
July 14, 2016

health communication
For your communication intervention, you are trying to get young mothers in a developing country to use more nutritious complementary food for their infants. You find that their mothers-in-law make most of the decisions, so you try to convince them first that this a good idea ...
July 14, 2016

Math
If I travel 200 feet in 2.92 seconds what is speed I'm traveling at
July 14, 2016

homework
The number of bacteria in a certain population increases according to a continuous exponential growth model, with a growth rate parameter of 3.9% per hour. How many hours does it take for the size of the sample to double?
July 14, 2016

algebra
A ball is launched from a slingshot. Its height, h(x), can be represented by a quadratic function in terms of time, x, in seconds. After 1 second, the ball is 148 feet in the air, after 2 seconds the ball is 272 feet in the air. Find the height in feet of the ball after 6 ...
July 14, 2016

Math (PLEASE HELP!)
A ferris wheel has a radius of 13 m. It rotates once every 24 seconds. A passenger gets on at the bottom of the wheel from a ramp which is one metre above ground level. a) If the height of the passenger is measured from the ground, determine an equation for the height of the ...
July 13, 2016

Math (PLEASE HELP!)
Thank you so much.
July 13, 2016

Math (PLEASE HELP!)
How do you solve sin2θ−cosθ=0 between -pi/2 less than or equal to θ less than or equal to 3pi/2?
July 13, 2016

statistics
If 6 bass are randomly selected from Clear Lake, find the probability that the mean weight is greater than the mean of those you caught
July 13, 2016

Math (PLEASE HELP!)
A ferris wheel has a radius of 13 m. It rotates once every 24 seconds. A passenger gets on at the bottom of the wheel from a ramp which is one metre above ground level. a) If the height of the passenger is measured from the ground, determine an equation for the height of the ...
July 13, 2016

chemistry
How much heat is produced by the complete combustion of 287 g of CH4? CH4(g)+2O2(g)→CO2(g)+2H2O(g)ΔH∘rxn=−802.3kJ
July 13, 2016

maths114
A chord xy of a circle of radiuns 14cm subtends angle of 60 degree at the centre. find the area of major segment.
July 13, 2016

maths 114
find area of major segment
July 13, 2016

math
Write 3.027 in expanded form
July 13, 2016

English composition
That's a classification and division prewriting it's not an essay
July 13, 2016

Algebra
How do u work out how much fence is needed for area of 100m2
July 13, 2016

tle
the surface temperature of ranges from 173 degrees celsius to 410 degrees celsius find its equivalent temperature in the fahrenheit scale.
July 13, 2016

Math
2x+9square root of x-5=0
July 12, 2016

bus math
complete a vertical analysis on the balance sheet for jake's janitorial service for december 31 of last year...
July 12, 2016

pre cal
Solve the following inequality. Write the answer in interval notation. x^4>4x^2
July 12, 2016

pre cal
thx could not find it
July 12, 2016

pre cal
Suppose the speed of sound is c, and gravity is g. If you throw a rock from an initial height h0 and with an initial velocity v0 the height h(t) of the rock after time t is h(t)=−g2t^2+v0t+h0. (The height is negative when the rock is below ground level. Thus you can ...
July 12, 2016

math
Emmanuel wants to tile his rectangular floor. one of which is larger than the other. a)what area will be covered by the "8x8"tile? "16x16" tile?
July 12, 2016

science
how to remove blue color from ammonium sulfate solution which occurs dues copper content in the spent acid we generate
July 12, 2016

pre cal
NASA launches a rocket at t=0 seconds. Its height, in meters above sea-level, as a function of time is given by h(t)=−4.9t^2+115t+220. Assuming that the rocket will splash down into the ocean, at what time does splashdown occur? The rocket splashes down after ? seconds. ...
July 12, 2016

agebra
The graph represents the normal distribution of recorded weights, in pounds, of cats at a veterinary clinic. Which weights are within 2 standard deviations of the mean? Check all that apply.
July 12, 2016

pre cal
i still don't get it :(
July 11, 2016

Psychology
Psychics and astrologers are characterized as...
July 11, 2016

Math
The temperature deceased due to increase in altitude at the rate of 8 degrees Celsius per 1500 m the temperature at 4500 m above the ground level is 4 degrees Celsius find the temperature at ground level and at an altitude of 9000 m
July 11, 2016

statistics
If P(A)=11/13, find P(Ā) Find the indicated probability
July 11, 2016

chemistry
QUESTION 11 Ammonia gas is formed from nitrogen gas and hydrogen gas, according to the following equation: N2 (g) + 3H2 (g) Imported Asset 2NH3 (g). If 84.0 g of nitrogen gas is allowed to react with an excess of hydrogen gas to produce 85.0 g of ammonia, what is the percent ...
July 11, 2016

chemistry
QUESTION 10 Ammonia gas is formed from nitrogen gas and hydrogen gas according to the following equation: N2 (g) + 3H2 (g) Imported Asset 2NH3 (g). If 112 grams of nitrogen gas is allowed to react with an excess of hydrogen gas to produce 120 grams of ammonia, what is the ...
July 11, 2016

chemistry
QUESTION 9 The number of moles of the reagent in excess can be used to calculate the moles of the products of the reaction. TRUE FALSE
July 11, 2016

chemistry
When magnesium metal and an aqueous solution of hydrochloric acid combine, they produce an aqueous solution of magnesium chloride and hydrogen gas. Using the equation, Mg (s) + 2HCl (aq) Imported Asset MgCl2 (aq) + H2 (g), if 72.9 g of Mg and 146.0 g of HCl are allowed to ...
July 11, 2016

chemistry
When magnesium metal and an aqueous solution of hydrochloric acid combine, they produce an aqueous solution of magnesium chloride and hydrogen gas. Using the equation, Mg (s) + 2HCl (aq) Imported Asset MgCl2 (aq) + H2 (g), if 72.9 g of Mg and 146.0 g of HCl are allowed to ...
July 11, 2016

Math
53
July 11, 2016

math
what number whose sum of its digit is 26 becomes 6000 when rounded to the nearest thousand.
July 11, 2016

geometry
Find the measure of one exterior angle of a regular polygon that has 21 sides. Round your answer to one decimal place. m∠exterior angle
July 11, 2016

science
what are some examples of suspension?
July 11, 2016

chemistry
If chlorine and fluorine react according to the reaction (to balance): Cl2+ F2→ ClF3 And calculate the amount of product and of limiting reagent that remains, when 10 g of chlorine and 30 g of fluorine are reacted to give chlorine trifluoride.
July 11, 2016

MPA
Searches related to hOW PRICE DISCRIMINATION TEND TO MORE COMMON IN THE SALE SERVICE
July 11, 2016

chemistry
reaction yield=(actual yield÷theoretical yield)*100%
July 11, 2016

chemistry
For combustion of 10 grams of C4H10 excess of O2, You are obtained 25 grams of CO2 according to the reaction (to balance): C4H10+ O2→ CO2+ H2O Calculate the reaction yield of the reaction. please,could anyone help me to solve this problem.
July 11, 2016

Math
The Abc company sells bottles of shampoo for $9 each. It costs the company $3 to make each bottle and they have fixed costs of $4700 each month. If x represents the number of bottles the company makes and sells each month, write he company's profit function
July 10, 2016

Math
A company selling cell phones has a total inventor of 800 phones. Of these phones, 400 are smartphones and 240 are black. If 200 phones are not black and not a smartphones, how many are black smartphones?
July 10, 2016

Math
Bobs car gets 23 miles per gallon of gas. If bobs car is traveling at a constant rate of 69 miles per hour, how may gallons of gas will his car use in 40 minutes?
July 10, 2016

chemistry
In the gaseous phase PCl5 dissociates according to the following equilibrium: PCl5⇌PCl3+Cl2 and Kc=0.8 at 613K .Determine the equilibrium composition when 0.12 moles/L of the three compounds are mixed at 613K.
July 10, 2016

chemistry
100 mL of 0.05 M NH3 solution are added to 60 mL of a 0.1 M solution of the same compound.Determine the concentration of the final solution.
July 10, 2016

Pre-Calculus 11
I don't know how to solve this... Question: Suppose 5/7ã3/2 is written in simplest form as aãb, where a is a real number and b is an integer. What is the value of b? (The square root is over the whole fraction of 3/2) A 2 B 3 C 6 D 14 I think it ...
July 9, 2016

Pre-Calculus 11
I don't know how to solve this... Question: Suppose 5/7ã3/2 is written in simplest form as aãb, where a is a real number and b is an integer. What is the value of b? (The square root is over the whole fraction of 3/2) A 2 B 3 C 6 D 14 I think it ...
July 9, 2016

math 10
Dan and Leanne's mortgage payments takes 2/3 of Dan's take home pay every month. His cheque is $785.50 in the middle of the month and $739.50 at the end of the month. Give the amount of the monthly mortgage payments.
July 9, 2016

phyics
1000/4 = 250 seconds 250/60 = 25/6 minutes
July 9, 2016

Math
Rewrite 47.10° in radian measure. Round to three decimal places. a. 0.164 b. 0.099 c. 0.822 d. 0.123 e. 0.148
July 9, 2016

Maths
The sum of a two digit number is 8 .The digit in the units palce is1 more than six times the digit in tens place .Find the number
July 9, 2016

geometry
Roy, Aaron, and Pete are given three identical rectangular blocks. They slice their blocks in different ways to get two equal halves. The resulting cross section in each of the three blocks is a
July 9, 2016

RIFT VALLEY UNIVERSITY COLLEGE
Hhfggfg
July 9, 2016

physics
2 pi r = 177 so r = 177/(2 pi) then tan 45.6 = h/r so h = r tan 45.6
July 9, 2016

science
37. The temperature at sea level on the windward side of a mountain is 28 °C and the dewpoint is 18 °C. What is the LCL?
July 8, 2016

Physics
speed: v = 30 + a t what is a when v = 0 -30 = a t a = -30/t distance: 70 = 30 t + (1/2) a t^2 70 = 30 t -(15/t) t^2 70 = 15 t t = 14/3 seconds to stop a = -30/t = -90/14 m/s^2 = -45/7 then F = m a F = -600 (45/7) Newtons
July 8, 2016

Math
Unit rate or unit cost -Driving 240km in 4 hours -$22.80 for 3 hours of work What is the answer
July 8, 2016

maths
I need a two digit number which after reversi
July 8, 2016

Chemistry
How many mol of hydrogen present in 16g methane
July 8, 2016

english
how does walter counter hub's defensiveness in secondhand lions
July 8, 2016

chem
why is Na+ reactive. doesn't it have an octet making it happy
July 8, 2016

VECTOR HELP URGENT
.... and no need for placing them head to tail by the way.
July 7, 2016

PreCalculus 1
I have graphed the equations onto my calculator but I don't know how to answer the questions. Can someone explain this to me? 2. Coco, the wonder cat, is watching a spider on a wall that is 18 feet wide and 12 feet tall. The spider moves along for 10 seconds along a path ...
July 7, 2016

PreCalculus 1
Please help me answer this question. I have finished the other two parametric equations on my own, but I am confused as to how to do this one. 4. A ball is hit at an angle of 17¢X. The ball is hit when it is 2.5 feet above the ground and is hit at a velocity of 136 feet ...
July 7, 2016

physics
A child pulls a wagon with a force of 58 N by a handle making an angle of 27 degrees with the horizontal. If the wagon has a mass of 4.5 kg, to the nearest hundredth of a m/s2 what is the acceleration of the wagon
July 7, 2016

Geometry
Find the slope and y-intercept of 6x-3y=9
July 7, 2016

ENGLISH LANGUAGE
EASSY ON ONCE BITTEN TWICE SHY
July 7, 2016

Physics
I assume that the mass is going up at constant speed. Therefore the force is m*g up to balance the weight of m*g down. Power is another thing entirely, energy per unit time.
July 7, 2016

algebra2
lukik65j
July 7, 2016

algebra2
A farmer counted the number of cows and chickens by counting heads and legs. If he counted 35 heads and 78 legs, how many cows and how many chickens did he have?
July 7, 2016

math
Given that the range of a polynomial function is {y | y <= 5, y ER}, do you have enough information to make any conclusions about the leading coefficient or degree? (er is all real numbers)
July 7, 2016

math
P(x)=2x^3-mx^2+9x-11
July 7, 2016

math
For what value of 𝑚 will the polynomial 𝑃(𝑥) = 2𝑥 3 − 𝑚𝑥 2 + 9𝑥 − 11 have the same remainder as when it’s divided by (𝑥 − 2) and (𝑥 + 3)?
July 7, 2016

geometry
Dave had a section of his roof damaged by hail, so he needs to replace the shingles. The roof section can be represented by trapezoid JKLM. How many square feet of shingles must he order?
July 7, 2016

chemistry
To 100 mL of a 0.1M NH3(Kb=1.8*10-5)solution,200mL of a 0.1M NaOH have been obtained.Calculate the pH of the solution.
July 7, 2016

Math
(x – 2)^2 + (y + 4)^2 = (x + 1)^2 + (y – 5)^2 x^2 – 4x + y^2 + 8y + 20 = x^2 + 2x + y^2 – 10y + 26 x^2 – 4x + y^2 + 8y + 20 – (y^2 + 8y + 20) = x^2 + 2x + y^2 – 10y + 26 – (y^2 + 8y + 20) x^2 – 4x – (x^2 + 2x) = x^2 + 2x –...
July 7, 2016

General Math
Jajshsjs
July 7, 2016

pre-calc
A ball is dropped from the top of a 25-m ladder. In each bounce, the ball reaches a vertical height that is 3/5 the previous vertical height.Determine the total vertical distance traveled by the ball when it contacts the ground for the sixth time. Express your answer to the ...
July 7, 2016

Math
The fourth term of a geometric series is 30; the ninth term is 960. Determine the sum of the first nine terms. How do I find t1 and r?
July 6, 2016

Chemistry
correction: no space between amminenitrotrichloride and chromium. sodium amminenitrotrichloridechromium(I)
July 6, 2016

Chemistry
Na3 = sodium, NH3 = ammine, NO2- = nitro, cl3 = trichloride, cr = Chromium Now chromiums charge is -1+(-3)+3+ chromium= 0. chromium is 1. NH3 is a cation, cl is anion, but we use chromium instead of chromate. Sodium amminenitrotrichloride chromium(I).
July 6, 2016

math
how do i simplify 3 square root of 5 end root minus 2 square root of 7 end root plus square root of 45 end root minus square root of 28
July 6, 2016

hialeah campus
Assume that women's heights are normally distributed with a mean of 63.6 and a standard deviation of 2.5 a) If 90 woman is randomly selected, find the probability that they have a mean height between 62.9 and 64.0 inches.
July 6, 2016

math
In K&M grocery store, apples are sold in groups of 3 and oranges are sold in groups of 5. If Mrs. Winter buys 26 apples and oranges in all how many apples does she buy? How many oranges does she buy?
July 6, 2016

Math
I am 5 digit number between 20,000 and 40,000. My ten thousand digit is 6 less than in ones digit and my thousands digit is more than my tens digit. My hundred digit is the sum of my ten thousands digit. What number am I?
July 6, 2016

Delta
According to a previous report, 25% of households had some type of high-speed Internet connection. Suppose 8 households are selected at random and the number of households with high-speed Internet is recorded (a) Find the probability that exactly 3 households have high-speed ...
July 6, 2016

Physics
A neutral solid conducting sphere of radius R has charge Q deposited in it, and is sitting at the centre of a conducting shell of inner radius 2R and outer radius 3R. After the conductor reaches equilibrium, find the potential at R<r<2R at r=R, and at r=R/2, and r=5/2R.
July 5, 2016

home economics
Parts of home economics
July 5, 2016

chemistry
0.02 Moles of HCl were added to a buffer solution, prepared by fluxing 20 L of gaseous NH3 and 10 L of gaseous HCl, both measured in normal conditions, in 2L of water. Calculate the pH of the solution before and after the HCl addition. (Kb NH3 = 1.8 * 10-5).
July 5, 2016

chemistry
Calculate the pH of a solution containing 10 g / L of NH4Cl (Kb NH3 = 1.8x10-5
July 5, 2016

chemistry
To 100 mL of a 0.1M NH3(Kb=1.8*10-5)solution,200mL of a 0.1M NaOH have been obtained.
July 5, 2016

chemistry
Determine the pH of a solution containing 1.00 mol/L of HCN (Ka = 5.00×10–10) and 5.00×10–2 mol/L of HCl.
July 5, 2016

chemistry
Calculate the pH of a solution obtained dissolving 10 g of NH3 and 15 g of NH4Cl in 300 ml of water (Kb NH3 = 1.8 x10-5)
July 5, 2016

Physics
In the 0.97F-67-(36.8-0.052F) = M*0 = 0, where the 0.97 came from?
July 4, 2016

Math
Certain financial aid students must pass 2/3!of their classes in order to continue their aid. If they are taking 18 hours , how many hours do they have to pass
July 4, 2016

ophs
the hat of a clown is in the form of a cone. the slant height of the cone is 15cm and it makes the angle of 45 degree with the height of the hat. what is the diameter of clown's head ?
July 4, 2016

maths
a number consist of two digits of which tens digit exceeds the unis digit by 7 the number itself is equal to 10 times the sum of its digit find the number
July 4, 2016

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