Questions Asked on
May 7, 2018

Algebra 1
The width (w) of a rectangular pool is x+4. The area (A) of the pool is 2x^3  29x + 12. What is an expression for the length of the pool? A. 2x^2 + 8x + 3 B. 2x^2  8x  3 C. 2x^2  8x + 3 D. 2x^2 + 8x  3 I'm not sure please help me with this problem!
asked by Dani 
English
Choose the word or group of words that should be enclosed in quotation marks. 1:This Girl is my favorite poem by the poet Sharon Olds. A:This Girl*** B:poem C:Sharon Olds Decide if the quotation marks are used correctly. 2:Ralph Waldo Emerson said, "Keep
asked by marylyn 
history
What is the main reason many people stop working on farms in Mexico.
asked by blob 
Calculus
1. Express the given integral as the limit of a Riemann sum but do not evaluate: integral[0 to 3]((x^3  6x)dx) 2.Use the Fundamental Theorem to evaluate integral[0 to 3]((x^3  6x)dx).(Your answer must include the antiderivative.)
asked by Ernie 
math
identify the choice that best completes the statement or answers the question. For questions 13, what is the solution of the systems? Use subsitution. 1. y = x + 6 y = 2x
asked by liv 
Math
Sharon is moving up to the attic and wants to paint one wall blue. The wall is a triangle with a base of 16 feet and a height of 13. What is the area of the wall to be painted? (1 point) A: 10.4 ft B: 52 ft******* C: 104 ft D: 208 ft. Help meeeeeee!!!!
asked by AngelDabSwag 
Algebra again
Simplify 5x^3/7x^3+x^4 Is the answer 5/7+x where x is not equal to 0,7?
asked by Dani 
Algebra problem
Multiply (x5/4x+8)*(12x^2+32x+16) A. (3x+2)/4(x5) B. (x5)(3x+2)/4 C. (x5)(3x+3) D. (x5)(12x+8) Please help me solve this problem because all I get is 3x^213x10 (which isn't a choice.)
asked by Dani 
Calculus
Using 4 equalwidth intervals, show that the trapezoidal rule is the average of the upper and lower sum estimates for the integral from 0 to 2 of x squared, dx .
asked by Ernie 
Math
The area of a trapezium is 14.7 cm. If the parallel sides are 5.3 cm and 3.1 cm long, find the perpendicular distance between them.
asked by Anonymous 
Chemistry
A weak acid with an initial pH of 3.2 was titrated with a strong base. 15 mL of 0.1 M NaOH was added to the acid to reach the equivalence point at a pH of 8.6. What would you expect the approximate pH of the analyte to be after the first 5 mL of 0.1 M NaOH
asked by Jameson 
Math
Determine whether the following individual events are overlapping or nonoverlapping. Then find the probability of the combined event. Getting a sum of either 4, 9, or 10 on a roll of two dice
asked by Susan 
Calculus
For Questions 1–2, use the differential equation given by dy/dx = xy/3, y > 0. 1. Complete the table of values x 1 1 1 0 0 0 1 1 1 y 1 2 3 1 2 3 1 2 3 dy/dx 2. Find the particular solution y = f(x) to the given differential equation with the initial
asked by William 
Chemistry
0.22g of a hydrocarbon (compound of C & H) on complete combustion with oxygen gave 0.9 g of water and 0.44g carbon dioxide. Show that these are in accordance with law of conservation of mass.
asked by Karamjit singh 
physics
a tennis ball is served horizontally from 2.4 above the ground at 30 m/s the net is 12 m away and 0.9m high will be clear the net? a. 0.64m b. 1.62m c.2.72m d.none ans is option B .... but how? wanna solution..
asked by MCAT student 
Social Studies
Explain the term Green Revolution, and describe both its intended and unintended outcomes. (Give at least two intended outcomes and two unintended outcomes.)
asked by Anonymous 
Algebra
How can you write the expression with a rationalized denominator? 3sqrt 2/3 sqrt 6 A) 3sqrt9/3*** B) 2+3sqrt9/6 C) 3sqrt9/6 D) 3sqrt72/3 Let f(x)=x^2+7 and g(x)=x+3/x. find (g*f)(5) A) 35/12 B) 35/32 C) 32/35 D) 11/25*** Please correct me if I’m wrong
asked by Samantha 
physics
A purple beam is hinged to a wall to hold up a blue sign. The beam has a mass of mb = 6.9 kg and the sign has a mass of ms = 15.3 kg. The length of the beam is L = 2.55 m. The sign is attached at the very end of the beam, but the horizontal wire holding up
asked by katie 
Chemistry
What is the pH of a 0.085 M solution of nitrous acid (HNO2) that has a Ka of 4.5 × 10^4? 2.21 5.33 3.35 4.42 I am not the best at working through the problems, but I came to A, 2.21, given the concentration and Ka.
asked by Jameson 
math
Simplify 4!
asked by noah 
Geography
what is the longitude of a town "Y" whose time is 1:00pm when Greenwich mean time is 5:00am ?
asked by Audu Sani Shariff 
Science
Chef Walt is an excellent cook. He works in a very busy restaurant. He cooks for 100's of people each night. Why would Chef Walt use a copper pot instead of an aluminum pot? A) The aluminum pot probably holds less food than the copper pot. B) The copper
asked by Softballperson 
Math
You are designing a large rectangular fish tank for your tropical fish. The length will be 1 yard 3 inches, the width will be 1.5 feet, and the height will be 20 inches. Find the volume of the fish tank in cubic inches
asked by haya 
Chemistry
What's the net ionic equation for the reaction: PH3(g) + O2(g) → P2O5(s) + H2O(g)? Please show your work so I can follow Thanks!!
asked by Wade 
Math
Ann started reading at 4:00 and finished at 4:20 through what fraction of a circle did the minute hand turn
asked by Ciamr 
Algebra
Simplify x/6xx^2 I know that the answer is 1/6x but the answers look like this: A. 1/6x where x is not equal to 0,6 B. 1/6x where x is not equal to 6 Please help me with understand why is says x is not equal to, I have like 5 problems just like this so
asked by Dani 
Social studies
How did the arrival of Englishspeaking white settlers change life for the Mexicanos in the Southwest?
asked by Anonymous 
phyiscs
A 14.5 kg toy car is driving around a horizontal circular track with a period of 8.0 seconds. The radius of the circular track is 1.1 meters. What is the force of friction in Newtons between the car and the track that is necessary for the car to remain on
asked by zach 
Physics
A charge Q = 610 NC (6.1 × 10^7 C) is uniformly distributed on a ring of 2.4m radius. A point charge q = +480 nC (+4.8 × 10^7 C) is fixed at the center of the ring, as shown in the figure. An electron is projected from infinity toward the ring along
asked by Sasha 
Maths
Integration of sine square theta from 0 to 2pi
asked by Pooja 
math
when a barrel is 1/5 full it holds 16 litres.how many litres will it hold when 1/2 full
asked by fizz 
chemistry
What's the net ionic equation for the reaction: PH3(g) + O2(g) → P2O5(s) + H2O(g)? Please go step by step:)
asked by Katie 
Math & science?
New York's 300 m high Citicorp Tower oscillates in the wind with a period of 6.80 s. Calculate its frequency of vibration.
asked by chirs 
Vectors
If u and v are both unit vectors that make an angle of 60 degrees to each other, calculate a) 2u+3v b) 4u5v The answer key says the correct answer for a) is 4.71 and the correct answer for b) is 3.22. a)2u+3v^2=2^2+3^2223cos(60)=7;
asked by Anonymous 
algebra
The circle has a circumference of 50.24. Using 3.14 to approximate piâ€‹, find the value of x. â€ƒâ€ƒâ€ƒâ€ƒâ€ƒâ€ƒA circle with a radius labeled x plus 3. x + 3
asked by ann 
Physics
What is the gauge pressure at the bottom of a pool 1.9 m deep?
asked by Lance 
physics
When resistors are connected in series . . . Is their equivalent resistance smaller or larger than the individual resistances? Is the current through them when connected together larger or smaller than their current if alone in the circuit?
asked by altaif 
physics
When resistors are connected in parallel . . . Is the combined resistance smaller or larger than the individual resistances? Is the total current through the circuit larger or smaller than the total current if there were one resistor alone in the circuit?
asked by altaif 
Math
On a blueprint the length of the incline of a ramp is 13 cm long. How long is the ramp at full scale factor for the blueprint is 1/32?
asked by Anirudh 
German
Der Mann … A. bist alt. B. sind Alt. C. sieht alt aus. D. seht Alt aus.
asked by giki 
chemistry
I need to identify the elements oxidized and reduced and indicate which substances are the oxidizing and reducing agents for the redox reaction: PH3(g) + O2(g) → P2O5(s) + H2O(g)
asked by Zoey 
physics
A 14.5 kg toy car is driving around a horizontal circular track with a period of 8.0 seconds. The radius of the circular track is 1.1 meters. What is the force of friction in Newtons between the car and the track that is necessary for the car to remain on
asked by Anonymous 
english
which line in Julius Caesar indicates that Cassius is a manipulator?
asked by T 
Math
The force on an object is F =−21j . For the vector v =4i −j , find: a) The component of F parallel to v : (b) The component of F perpendicular to v :
asked by George 
math
A number cube is rolled. What is P(3 or an even number) A: 1/2 B: 2/3 C:4/2 D: 1/6
asked by cardi b 
Math
Amy wants to travel from elm town to lakeside at an average speed of 50 miles per hour. She travels half the distance and finds out her average speed has been on 25 miles per hour. How fast must she drive for the rest of the trip to average 50 miles per H
asked by Cheyenne 
economics
what are the benefits of natural monopolies? would it be research and development?
asked by nicole 
Math
1. Simplify the radical Sqr of 3c² over the sqr of 27 √ ̅3c²  √ ̅27 2. Simplify the radical √27 ∙ √3 3. Simplify the radical √ ̅75  4√ ̅75 4. Simplify the radical (√3 + √2)²
asked by 1234 
Physics
Water ripples are caused to travel across the surface of a shallow tank by means of a suitable straight vibration.the distance between successive crest is 4.0cm and the wave travel 30cm in 1.5sec.calculate the wave length and velocity of the waves and the
asked by Abolore 
Physics
A car travels over a hill at a constant speed as shown in the diagram below. The car’s speed is 12.1 m/s, its mass is 1621 kg, the radius of the hill is 29 meters, and the force of friction is 201.6 N. The gravitational field of the earth is 10N/Kg.
asked by Anonymous 
physics
A car, with a mass of 2022 kg, is making a circular turn in a roundabout in Coralville. The radius of the circle is 19 meters and it takes 26.7 seconds to get halfway around the turn (circle). Calculate the Fnet of Friction, in Newtons, that is allowing
asked by Anonymous 
Geography
How Does irrigation negatively affect farmland
asked by Karrie 
Math
For what value of x are 16i12j+4k and xi(x1)j+k parallel?
asked by George 
Social studies
What were the goals of the populist Party?
asked by Anonymous 
Math
The force on an object is F =−21j . For the vector v =4i −j , find: (a) The component of F parallel to v : (b) The component of F perpendicular to v :
asked by George 
Math
A=0,4 ,B=2,0 Find the vector AB in ℝ2?
asked by George 
economics
im stuck how does the government promote economic goals? i know the goals are efficiency, freedom, security, equity and growth
asked by nicole 
Algebra
With this height and weight formula how can I explain the answer. W=5h  190
asked by Chey 
physics
A 13.7 N force is sufficient to keep an object moving in a circle of radius 15.4 meters. How much force in Newtons is needed to keep it moving with the same speed in a circle of 26.5 meters?
asked by Anonymous 
Physics
A diver can withstand a maximum pressure of 3x10^5 Pa. What maximum depth can he reach in seawater?
asked by Lance 
social studies
why do the shiites believe that uyyades should not be in power
asked by kaleb 
PA government
How would your chosen bill move through the legislative process in the Pennsylvania General Assembly? 2. What type of tax could the state propose to help fund the bill you selected? ( I have chosen the bill HB429. could you please help me answer these
asked by Anonymous 
Physics
How would electrical current be affected if the time interval over which a charge passes through an area increases while the amount of charge Remains the Same
asked by Anon 
Zoology
State the law of constant proportion and give one example? AnsA chemical compound is always found to be made up of the same elements combined together in fixed proportion by mass. For exCaCO3>CaO+CO2^
asked by Karamjit singh 
Maths
y1+x2=90 solve
asked by Kike 
Civics
What biases are present n the movie Bowling for colombine?
asked by Cam 
Physics
A 10.6 N force is sufficient to keep a 15 kg mass moving in a circle. How much force in Newtons is needed to keep a 10.7 kg mass moving with the same speed in a circle of the same radius?
asked by Anonymous 
Physics
What is the absolute pressure if the gauge pressure is 100 kPa?
asked by Lance 
math
7 nails have a mass of 50 g.How many nails have a mass of 1/2 a kg please?
asked by fizz 
math
what is 07.05 as a 12hour clock
asked by fizz 
chem
how many moles of Br are in 7.34g IBr3? Plz explain how to do this step by step
asked by Anonymous 
Physics
A driving bell can withstand a maximum pressure of 2.5 x 10^6 Pa. What maximum depth can the ball reach in seawater?
asked by Lance 
reading
wish is to wish as goal is to?
asked by makayla 
Math
A business finds that it has to increase its staff by 5% each year due to growth. After how many years would the size of their staff double?
asked by Maria 
Physics
What is the gauge pressure if the absolute pressure is 400 kPa?
asked by Lance 
Physics
What is the absolute pressure 2.5 m below sea surface?
asked by Lance 
Physics
What is the absolute pressure if the gauge pressure is 3.2 atm?
asked by Lance 
Physics
What is the gauge pressure if the absolute pressure is 321 atm?
asked by Lance 
Physics
What is the absolute pressure 1.8 m below the surface of a lake?
asked by Lance 
english
Which quotes in Julius Caesar shows that Cassius killed Caesar out of jealousy?
asked by T 
Science
How to determine for an empirical formula?
asked by Pauline 
Math
Lily ran 2/3 of a mile.Sara ran 1/3 of a mile.Who ran father.Show how you know
asked by Dorothy