Total # Posts: 738
Math 6th grade
Tony owns a personal training business. He makes a total of $500 for every 3 clients he acquires. If Tony is saving to purchase 2,2000 in new equipment , how many clients will he need?
September 20, 2016
Hemlocks are a common type of tree in the northern forests of the United States. In studying one forest, a forester noticed that mature hemlocks were abundant but there were very few young hemlocks. She wondered why there were so few young hemlocks. By reading the records that...
September 20, 2016
A. By gaining control of Quebec, the British could increase financial and military support from the colonists.*** B.By gaining control of Quebec, the British would disrupt French supplies from reaching forts further north. C. Without capturing Quebec, the British would have ...
September 12, 2016
At your telescope, you measure the parallax of the star Regulus to be one-half of the parallax of the star Denebola. What do you immediately know about their relative distance from us? a) That Regulus is further away than Denebola. b) That Regulus is closer than Denebola. c) ...
September 7, 2016
A soda company determines that there is a 3% chance that a soft drink bottle is under filled. If two bottles are selected at random, find the probability that both bottles are under filled
June 26, 2016
if a die is tossed and a coin is flipped, what is the probability of getting a number less than five on the die or tails on the coin? (write answer as a fraction in lowest terms)
June 26, 2016
a bag contains seven red balls numbered 2,4,5,6,7,8,10 and three white balls numbered 1,3, and 9. If a ball is drawn, what is the probability the ball is white or the number on the ball is less than 3? Write your answer as a fraction in lowest terms.
June 26, 2016
A reflecting telescope is used to observe two distant point sources that are 3.50 m apart with light of wavelength 600 nm. The telescope's mirror has a radius of 5.0 cm . What is the maximum distance in meters at which the two sources may be distinguished?
June 22, 2016
CHEM 2: Boiling Point
Which Aqueous solution has the highest normal boiling point? a.) 0.1 m NaCl b.) 0.1 m C2H5OH c.) 0.1 m CaCl2 d.) They all have the same boiling point. I think that the answer is D, the all have the same boiling point. Is this correct? Because Delta T= K(b)msolute .... and if ...
June 12, 2016
CHEM 2 Question
For A+2B <---> 2C : K=2.23 For 2C <---> D : K=0.27 What is the value of the equilibrium constant for the reaction: 2D <---> 2A + 4B ? I calculated it and got this: k=(k1)(k2) =(2.23)(.27)=0.6021 =(1/0.6021)=1.67 =(1.67)^2= 2.76 Is this answer correct? I am ...
June 12, 2016
Create a piecewise function of the following scenario where D(t) is the total distance walked in miles as a function of time T (in minutes) You begin a walk from your home at a fast pace of 6 miles per hour for 30 minutes. You rest for 15 minutes, and then you continue walking...
February 18, 2016
A man feels anxious and a little sick to his stomach when he walked up to the front door of his old elementary school. School had been very hard for him and he remembers feeling stupid a lot of the time he was in school. What is the unconditioned stimulus and ...
January 27, 2016
My granddaughter has to do a project about a product she would create and test we've decided on the safetyof white paper napkins vs dyed ones I don't know where to begin please help
January 12, 2016
The coordinate of a boy running across a parking lot as a function of time is gives as :x03=3t*2 7.2t 28 and y03=0.28t*2 - 9.1t 30...express the boys position vector r03 and velocity v03 in unit vector rotation and find the ...
January 9, 2016
Which of these guests would require service to their car? A young mother with her baby A man in his workout wear A couple with three bags of groceries An elderly person with one bag of groceries All of the above
December 30, 2015
State if each number is Rational,Irrational,or not a real number? 1.)square root of 9/16 2.) square root of -9 3.)square root of -16 divided by -4 4.)square root of -8(-2) 5.)square root of 25 divided by 8 6.)square root of -1/4 Please Help! I have been sick for 4 weeks and I ...
December 9, 2015
Perimeter of pool is 84ft squared. The removal charge for tile is $20 per linear foot. Each new 6-inch square tile costs $2. A pool professional installs the new tile for an additional $300 charge. What is the total cost for removal and installation, and additional charge?
November 28, 2015
Perimeter of pool is 84ft squared. The removal charge is $20 per linear foot. Each new 6-inch square tile costs $2. A pool professional installs the new tile for an additional $300 charge. What is the total cost?
November 27, 2015
- One cubic foot is approximately 7.5 gallons of water - A typical garden hose releases approximately 11 gallons of water per minute Total cubic feet is 2268. How long will it take to refill the pool?
November 27, 2015
10x^2=2^x Hi! How do I go about solving an equation like this? It's meant to be a calculator solution but I'd love to know how it's done by hand. Logarithms maybe? .. Thank you in advance (:
November 6, 2015
A rocket has put your spacecraft in a circular orbit around Earth at an altitude of 350 km. Calculate the force due to gravitational between the Earth and the spacecraft in N if the mass of the spacecraft is 2450 kg.
October 11, 2015
Multi-Step The heights of the starting players for the Davis High School boy's basketball team are 78 1/2 in., 74 in., 71 5/8 in., 70 3/4 in., and 69 1/2 in. Find the average height of the starting players.
October 6, 2015
You have a 0.5 M HEPES pH 7, and a 0.5 M HEPES pH 8 solution. How much of each stock solution do you need to make 125mL of a 50 mM HEPES pH 7.5 solution? How much water?
September 20, 2015
Post to the account Stock Investments. Common Stock Shares Cost Co.A 1,980 $91,080 Co.B 4,990 $44,910 Co.C 1,100 $24,200 I am trying to figure out what the stock investment amount is and to find the stock investment. Additional information Sept 1, Sold 998 shares of B CO. ...
April 12, 2015
the existing or current (spot) 1-, 2-, 3-, and 4-year zero coupon Treasury security rates were as follows: 1R1 = 0.30%, 1R2 = 0.90%, 1R3 = 1.30%, 1R4 = 1.45% Using the unbiased expectations theory, calculate the 1-year forward rates on zero coupon Treasury bonds for years 2, 3...
February 23, 2015
A spaceship in deep space has a velocity of 4000 km/s and an acceleration in the forward direction of 6 m/s2. What is the acceleration of a ball relative to the spaceship after it is released in this spaceship?
February 12, 2015
Under Franklin Roosevelt's Good Neighbor policy, A. Cordell Hull favored continued military interventions in Latin America. B. the collective security among the nations of the Western Hemisphere declined. C. American commerce with Latin America increased, but only ...
December 24, 2014
which of the following statements best summarizes the "fiddler's bill" Bostonians had to pay for the tea party as described in section 1 of chapter 7 in chapter Johnny Tremain? A The port of Boston was closed to all ships, numbers of workers lost their jobs. Many...
December 18, 2014
Which of the following statements best summarizes the "fiddler's bill" Bostonians had to pay for the tea party, as describes in 1 of chapter 7 from Johnny Tremain? A. The port of Boston was closed to all ships, and huge numbers of workers lost their jobs. Many ...
December 17, 2014
H2SO4 + 2 NaOH = 2 H2O + Na2SO4 V H2SO4 = 0.025L since you divide it by 1000 to get L C H2SO4= ? V NaOH = 0.045L C NaOH = 0.115 First find the moles for NaOH to find moles you do n= C*V n= 0.115*0.045 n= 0.005175 Now do molar ratios H2SO4 1 x -------- = --- = --------- NaOH 2 ...
December 1, 2014
Sam pushes crates starting form rest across the floor of his classroom for 3 s with a net force as shown above. For each crate, rank the following from greatest to least: A 100N/30kg, B 75N/20kg C 50N/10kg 1. Impulse delivered 2. Change in momentum 3. Final speed 4. Momentum ...
November 12, 2014
A penny on its side moving at speed v slides off the horizontal surface of a table a vertical distance y from the floor. a) Show that the penny lands a distance v√(2y/g) from the base of the coffee table. b) If the speed is 3.5 m/s and the coffee table is 0.4 m tall, ...
November 7, 2014
nathan wants to go to a hockey game with friends. Tickets are $18, but students can get discounted tickets for $12. They want to spend no more than $80, including $8 for parking. The vehicle they will take can only hold 7 people. Write and graph a system of four inequalities ...
August 14, 2014