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Kelly

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if kelly gave 1/3 of a pizza to holly and 1/5 to diane how much did she have left
1. 4 answers
2. 1,113 views
Find an equation of the tangent line to the curve at the given point.y^2=x^3 (2-x) (1,1)
1. 1 answer
2. 312 views
A man seeking to set a world record wants to tow a 122000-kg airplane along a runway by pulling horizontally on a cable attached
1. 0 answers
2. 578 views
A rescue helicopter is lifting a man (weight = 797 N) from a capsized boat by means of a cable and harness. (a) What is the
1. 0 answers
2. 545 views
A stuntman is being pulled along a rough road at a constant velocity by a cable attached to a moving truck. The cable is
1. 1 answer
2. 3,538 views
For the reaction:2HCl + Na2CO3→ 2NaCl + H2O + CO2 how much CO2 is produced at STP if 18.5 L of 1.15 M Na2CO3is used? The molar
1. 4 answers
2. 2,070 views
You notice that your accounts receivable days outstanding has doubled in the first 6 months. Do you give someone a bonus or put
1. 0 answers
2. 447 views
If f(3) =4 g(3)=2 f'(3)=6 and g'(3)=5find the following numbers a) (fg)' (3) b) (f/g)' (3)
1. 1 answer
2. 334 views
Find the change in the force of gravity between two planets when their masses remain the same but the distance between them is
1. 1 answer
2. 1,400 views
F(x) = 2√(1 + tanx)f'(x) 2√ = x^(1/2)
1. 1 answer
2. 331 views
If calcium carbide has a standard enthalpy of formation of -59.8 kJ/mol and acetylene has a standard enthalpy of formation of
1. 1 answer
2. 2,189 views
At 400°C the reaction H2+I2<->2HI has an equilibrium constant Kp value of 55.5. A mixture of 1 mole of H2 and 1 mole of I2 is
1. 6 answers
2. 897 views
What are the adverb(s) in the following sentenceThe teacher seemed unusually cheerful. Is it unusually and cheerful?
1. 5 answers
2. 620 views
A 12-foot ladder reaches 9 ft 6 in up a wall. How far up would a 20-foot ladder reach when placed at the same angle? Write the
1. 2 answers
2. 511 views
If a road passes through R(4,-11) and S (0, -9) and another road passes through J (6,-2) and K(4, -5) and are straight lines,
1. 0 answers
2. 349 views
(parent). My son's problem says "the product of a number and 17"...supposed to write as expression... I'm thinking it would be a
1. 3 answers
2. 592 views
At a large dept. store, the avg. number of years of employment for a cashier is 5.7 with a standard deviation of 1.8 years. If
1. 1 answer
2. 927 views
A food snack manu. samples 15 bags of pretzels off the assembly line and weighed their contents. If the sample mean is 10.0 and
1. 1 answer
2. 1,159 views
a mouse pushes a piece of cheese with a mass of 6.4 g for a distance of 75 cm over the frictionless surface of an air hockey
1. 2 answers
2. 2,294 views
three bugs that are connected by a mass less spider silk are pulled along a frictionless table top. The first bug has a mass of
1. 3 answers
2. 1,146 views
Iron (III) hydroxide is soluble in acid:Fe(OH)3(s)3H^+(aq)-->Fe^3^+(aq)+3H2O(l) a. How many milliliters of 1.00 M HCl are needed
1. 1 answer
2. 1,504 views
A 11.0-g bullet is fired horizontally into a 101-g wooden block that is initially at rest on a frictionless horizontal surface
1. 1 answer
2. 1,057 views
Find the solutions of the exponential equatione^2x–4e^x+3=0 x1=? x2=?
1. 3 answers
2. 457 views
While fishing, you get bored and start to swing a sinker weight around in a circle below you on a 0.31- piece of fishing line.
1. 0 answers
2. 692 views
a 9.85 g sample of an unknown metal M is burned in the presence of excess oxygen, producing the oxide M2O3 (s) and liberating
1. 1 answer
2. 652 views
Let f(x) = 1/(x+2) and g(x)= (x-1)/x.Simplify and state the domain. f(g(x)) g(f(x))
1. 1 answer
2. 343 views
lim (x^(2)-4)/(x-2)x->2 lim x->1 (x+1)/(x-1)
1. 1 answer
2. 651 views
Running at a rate of 6 mi/h uses 704 Calories in an hour. Convert this value to (a) calories; (b) kilocalories; (c) joules; (d)
1. 2 answers
2. 1,784 views
Shemrock Inc. is a brake pad manufacturing company. This company uses raw materials, such as carbon powder, iron, ash, and
1. 0 answers
2. 540 views
Complete and balance the molecular equation, including phases, for the reaction of aqueous ammonium bromide, NH4Br, and aqueous
1. 2 answers
2. 13,618 views
A certain weak base has a Kb of 9.00 × 10-7. What concentration of this base will produce a pH of 10.34?
1. 1 answer
2. 778 views
What is the concentration of Cu2+ in a solution that is 0.10 M Cu(NH3)4^2+? (Kf = 1.2 x 10^12)The answer is 8.0 x 10^-4 How do I
1. 1 answer
2. 831 views
A dockworker loading crates on a ship finds that a 22-kg crate, initially at rest on a horizontal surface, requires a 80-N
1. 0 answers
2. 551 views
A crate of mass m = 31 kg rides on the bed of a truck attached by a cord to the back of the cab as in the figure. The cord can
1. 2 answers
2. 1,340 views
Expression for the square of one more than a number
1. 1 answer
2. 362 views
-8(t-3)-(t+1)=6
1. 1 answer
2. 549 views
A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 3.20 s for the
1. 0 answers
2. 770 views
A ball is thrown vertically upward with a speed of 15.0 m/s.(a) How high does it rise? (b) How long does it take to reach its
1. 1 answer
2. 769 views
In 1865, Jules Verne proposed sending men to the Moon by firing a space capsule from a 220-m-long cannon with final speed of
1. 2 answers
2. 4,072 views
A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 205 mi/h in 3.00 s.(a)
1. 1 answer
2. 1,149 views
The average person passes out at an acceleration of 7g (that is, seven times the gravitational acceleration on Earth). Suppose a
1. 0 answers
2. 711 views
A tortoise can run with a speed of 0.13 m/s, and a hare can run 20 times as fast. In a race, they both start at the same time,
1. 1 answer
2. 1,044 views
A motorist drives north for 40.0 minutes at 61.5 km/h and then stops for 15.0 minutes. He then continues north, traveling 130 km
1. 0 answers
2. 541 views
Last few weeks of class and struggling to keep up to graduate, can somebody help me if they have done this before, also i used
1. 1 answer
2. 666 views
What are the step to help solve for5r+30/20= 3r-36/3
1. 1 answer
2. 316 views
How to write the ration as a fraction in lowest terms. Compare in hours. 22 hours to 3 days. The ratio is __.
1. 1 answer
2. 717 views
The distance between city A and city B is 500 miles. On a certain wall map, this is represented by a length of 2.3 feet. On the
1. 9 answers
2. 5,867 views
If 5 sweaters cost $39.40, how much would 8 sweaters cost? The cost is $__.
1. 1 answer
2. 295 views
Write the ratio as a fraction in lowest terms. compare in inches. 3ft to 31 inches. The ratio is__.
1. 1 answer
2. 653 views
The sum of the measures of the angles of any triangle is 180 degrees. In triangle abc, angles a and b have the same measure,
1. 2 answers
2. 3,929 views
If planet I is 31.8 million miles from the sun than planet II, then planet III is 25.6 million miles father from the sun than
1. 1 answer
2. 747 views
An electrician cuts a 26ft piece of wire into two pieces. One piece is 4ft longer than the other. How long are the pieces? What
1. 1 answer
2. 701 views
please help me solve my homework with all the work involved. i have trouble paying attention in class so it's hard for me to do
1. 3 answers
2. 1,088 views
A spinner is divided into 8 equal sections. There are 3 yellow sections and 5 green sections. The spinner is spun 32 times.
1. 2 answers
2. 1,953 views
I am writing a paragraph about why I want to participate in this school counsil thing and I was wobderi if the word choice for
1. 2 answers
2. 766 views
Is this sentence right?I have never had a pet before.
1. 1 answer
2. 394 views
I'm just courious what "ragweed mix" is/are. Is it one type of plant or a bunch?
1. 0 answers
2. 391 views
I need help on doing a powerpoint presentation about trichomoniasis
1. 2 answers
2. 354 views
If y is directly proportional to x and inversely proportional to z^2, by what value is y multiplied if x is doubled and z is
1. 1 answer
2. 418 views
A spring with k = 54 N/cm is initially stretched 1 cm from its equilibrium length.(a) How much more energy is needed to further
1. 2 answers
2. 730 views
Calculate the final pressure on the addition of 2.0 g He(g) to a vessel of 10.0 L fixed volume already containing O2(g) at 25°C
1. 2 answers
2. 1,354 views
One of the parents in your school says, “I really enjoyed coming to Parents’ Night last week and seeing all the things the
1. 1 answer
2. 618 views
A model of a helicopter rotor has four blades, each 3.40 {m} in length from the central shaft to the tip of the blade. The model
1. 1 answer
2. 554 views
Write an addition problem in which, when the addends are rounded to the nearest ten, the sum is 90. Then explain how you use
1. 0 answers
2. 547 views
I have a few questions if someone could please help with them:Which of the following is true: A.Relative dating tells us how
1. 0 answers
2. 438 views
A solution of .12 mol/L of phosphoric acid completely neutralizes .20L of a solution of sodium hydroxide with.a concentration of
1. 1 answer
2. 1,046 views
I am doing a presentation on biomedical issues- abortion. My part is what issues involve problems with consent. Can you help
1. 1 answer
2. 404 views
Which of the following is true:-Relative dating tells us how long ago something existed -Disconformities are less common but
1. 0 answers
2. 444 views
what are the rules used to determine the solubility of salt?
1. 5 answers
2. 1,087 views
1. What is the pH of a solution whose [H3O+] is 1 X 10^ -5 M?2. What is the [H3O+] concentration of a solution with a pH of 9?
1. 1 answer
2. 455 views
What are Single Quotes and when do you use them?
1. 1 answer
2. 375 views
A cannonball is fired into the air with a speed of 42 m/s from a height of 28 m, with what speed does the cannonball hit the
1. 0 answers
2. 448 views
The object distance for a convex lens is 15.0 cm, and the image distance is 5.0 cm. The height of the object is 9.0 cm. What is
1. 0 answers
2. 1,173 views
Janna is creating a multi-tiered cupcake display for a party. She plans on having 16 cupcakes on each tier.-There is a 1-inch
1. 1 answer
2. 938 views
Using the formula for BMI:B = 703(w)/ h² When the weight is 100 lbs and the BMI is 20, how do I figure out the persons height?
1. 1 answer
2. 518 views
Identify 5 different materials that you encounter or use on a daily basis, and identify a mineral that is mined to supply each
1. 2 answers
2. 623 views
The Longhorns punted the ball from the 5-yard line. The punt was caught at the 41-yard line and returned to the 19-yard line.
1. 2 answers
2. 444 views
One of the 79.0 -long strings of an ordinary guitar is tuned to produce the note (frequency 245 ) when vibrating in its
1. 2 answers
2. 1,035 views
One of the 79.0 -long strings of an ordinary guitar is tuned to produce the note (frequency 245 ) when vibrating in its
1. 0 answers
2. 610 views
Two point charges are fixed on the y axis: a negative point charge q1 = -23 µC at y1 = +0.23 m and a positive point charge q2
1. 2 answers
2. 4,660 views
Assume you dissolve 0.240 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 1.16 102 mL of solution and then
1. 3 answers
2. 824 views
You place 1.234 g of solid Ca(OH)2 in 1.00 L of pure water at 25°C and it partially dissolves. The pH of the solution is 12.40.
1. 1 answer
2. 1,199 views
A 20.2 mL sample of a weak monoprotic acid, HX, requires 50.0 mL of 0.060 M NaOH to reach the equivalence point. After the
1. 2 answers
2. 556 views
Given info:Reaction: 3A+2B--->2C+D {A] (mol/L) 1.0 ×10^-2 1.0 ×10^−2 2.0 ×10^−2 2.0 ×10^−2 3.0 ×10^−2 [B] (mol/L)
1. 0 answers
2. 930 views
Given info:A] (mol/L) [B] (mol/L) Rate of appearance of C (mol/L-hr) 1.0 ×10^-2 1.0 0.30×10^−6 1.0 ×10^−2 3.0
1. 0 answers
2. 429 views
calculate the specific rate constantA] (mol/L) [B] (mol/L) Rate of appearance of C (mol/L-hr) 1.0 ×10^-2 1.0 0.30×10^−6 1.0
1. 3 answers
2. 446 views
calculate the specific rate constantA] (mol/L) [B] (mol/L) Rate of appearance of C (mol/L-hr) 1.0 ×10^-2 1.0 0.30×10^−6 1.0
1. 0 answers
2. 389 views
calculate the specific rate constantA] (mol/L) [B] (mol/L) Rate of appearance of C (mol/L-hr) 1.0 ×10^-2 1.0 0.30×10^−6 1.0
1. 2 answers
2. 464 views
How would you analyze a solution known to contain Hg22+ and Cu2+?
1. 3 answers
2. 504 views
Determine the value for the acceleration due to gravity at the surface of the planet Mars, given the following data: Mass of
1. 0 answers
2. 669 views
x^2+1/4x+_?__
1. 0 answers
2. 238 views
Take the radius of the earth's orbit to be 1.5 x 1011 m.a. Using a year to be 365 days, find the speed of the earth as it moves
1. 0 answers
2. 653 views
Take the radius of the earth at the equator to be 6380 kma. Find the speed the speed of an object at the equator due to the
1. 0 answers
2. 1,162 views
Explain how to calculate margin of error.What effect does increasing your sample size have on the margin of error? What effect
1. 0 answers
2. 613 views
Explain how to calculate margin of error.What effect does increasing your sample size have on the margin of error? What effect
1. 0 answers
2. 532 views
Explain how to calculate margin of error.What effect does increasing your sample size have on the margin of error? What effect
1. 0 answers
2. 522 views
1.5x+4y=8x+y=7 Please help me solve this system of equation and show your work.
1. 2 answers
2. 652 views
If 0.48 g of sulfur are added to 200 g of carbon tetracholoride, and the freezing point of the carbon tetrachloride (Kf=30
1. 3 answers
2. 1,755 views
If 0.48 g of sulfur are added to 200 g of carbon tetracholoride, and the freezing point of the carbon tetrachloride (Kf=30
1. 3 answers
2. 632 views
Assume that you randomly select 8 cards from a deck of 52.What is the probability that all of the cards selected are hearts?
1. 2 answers
2. 2,402 views

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