Questions Asked on
May 1, 2018

Math
A magician's stage has a trap door. a. The total area of the stage can be represented by x^2++27x+176. Write an expression for the width of the stage. b. The area of the trap door is 12 suare feet. Find the value of x. c. What fraction of the area of the
asked by Bucho 
Social studies
1. In a typical rural village in Mexico,you might expect to find that most people living on farms get their food by? A)growing their own food. B)buying what they need at large supermarket. C)buying what they need at small markets. D)gathering nuts and wild
asked by Die first den bi*** 
Algebra
Simplify 4!
asked by Bambi 
Math
Express 12g as a decimal of 1kg
asked by Fasilat 
Social studies
I need help with the social studies unit 6 lesson 13 test about prosperity, depression, and world war 2 if anyone can help me it would mean the world to me thankb
asked by Hi 
Math
Find a function g(x) such that all the conditions of the fixed point theorem are satisfied on [0,1]
asked by hewhomustbenamed82 
World History
Which of the following was one reason the February Revolution in Russia was less successful than the October Revolution? A. It failed to shake the existing government of Russia. OR B. It did not affect Russia's commitment to World War I. I think its b
asked by Lilly 
math
There is a 60% chance that a final year student would throw a party before leaving school, taking every 50 student from a total of 150. What is the mean value and variance
asked by rightbwoy 
Learning another language
Whats a good site to learn German? if anyone could help thanks
asked by Chris 
History
1. Why did Henry Briggs and other parents sue the Summerton School District? a. They believed Black schools weren't equal to white schools, so the schools should be integrated.
asked by Loser 
Language arts
What is the error in the following paragraph? Advertisers use many tricks to get people to buy their products. Some people will buy anything that is on television. One such trick is called the bandwagon technique. It could also be called the "Everybody
asked by First Name 
English
Choose the best answer for each of the following questions. Choose the sentence that uses the passive voice. a. Brandon and Jake haven't been told the new yet.**** b. That restaurant has never received a good review. c. Krista's cat was born with six toes
asked by girly girl 
Geography
What happens when we move vertically upwards from the earth?
asked by Biswajit 
math
A family has a rectangular backyard that measures 2x + 3x by 3x  5. they are building a square patio with side lengths that measure x + 2. write an expression for the area of grass that will be left in the backyard after the patio is built
asked by heyyyy 
Geography
Why do mountaineers carry oxygen while climbing high mountains?
asked by Biswajit 
math
what is One more than the quotient of a number xxx and 444 in an expression?
asked by keilanma 
Geography
Why is the atmosphere very dense near the surface of the earth?
asked by Biswajit 
health
How is exercise beneficial to your cardiovascular health A: it helps prevent you from getting lung infections B: it improves the flow of oxygen to the cells in the body(my answer) C: it keeps the neurons firing fast back and forth to the brain
asked by HELP ME PLEASE 
physics
how to calculate acceleration
asked by Anonymous 
Geometry
2. Find the area of the triangle. Give the answer to the nearest tenth. The drawing may not be to scale. A.) 47.4cm2 B.) 94.8cm2 C.) 7.5cm2 D.) 303.1cm2 I think the answer is D but not for sure
asked by R.A.D 
Physics
a siren on top of the police car emits sound at frequency of 820 Hz. The car passed a bystander on a sidewalk and is receding at speed 142 km/h/ what is the frequency the bystander hears. assume the speed of sound in air to be 340 m/s. 142 km/h x 1000 /
asked by Maria 
physics
the position vectors of the head and tail of radius vectors are 2i+j+k and 2i3j+k. the linear momomentum is 2i+3j+k. the angular momentum is
asked by golu 
Statistics
Episodes of dehydration are common at outdoors music festivals. At a particular large annual event, a first aid team has recorded over the years 85 cases on average per day. In 2018, during a weekend they observe 78, 86, 79, and 81 cases. Assuming the
asked by kim 
Maths
Solve 6x^217x+3=0 What is the smaller answer ? Answer 1000 if there is no real value of x that solves this equation
asked by Billy Bob Joe 
Math
You draw five cards from a standard deck of 52 cards. P(hearts) = 4/5. What type of probability is illustrated and why? I need help on this and can’t figure it out
asked by Fortnite player 
Algebra
a vacum tube can be used to
asked by Hermoine Granger 
Physical Science
a vacum tube can be used to change alternating current into direct current increase the strength of a signal turn a current on or off all of the above
asked by Roses 
math
This was a question asked yesterday that I am stuck on also  could you explain how to solve this using this "log" on the calculator please? I'm working on a problem where I was given a table and had to find the exponential equation of best fit. The table
asked by Carly 
Maths
Solve the quadratic equation 2x²  4x + 1 = 0 How many solutions are in the equation 3x² + 4x  7 = 0
asked by Jo 
Alg
Solve by completing the square: A rectangular patio has a length of x + 6 m, a width of x + 8 m, and a total area of 400 m². Find the dimensions to the nearest tenth. Find the radius of a circular lid with an area of 12in.².
asked by Aye 
Math
A trapezium PQRS is such that QR=4cm,PS=8cm angelPQR=105°angelSQR=135°QR//PS.if the height of the trapezium is 5cm use a ruler and a pair of compasses to construct trapezium PQRS
asked by Anonymous 
Social Studies PLZ HELP ASAP
Analyze the effect that plentiful harvests had on population in the ancient civilizations of the mainland's river valleys. Write a oneparagraph answer. Plz help me with this, i dont understand.
asked by Anna 
social studies
I need help finding a contribute on Johnny Cash?
asked by Hannah_H13 
Social Studies
What kind of government did followers of Ayatolla Khomeini want?
asked by Heylp Moi 
Math
The distance between two cities on a nap is 7 cm actual distance is 350 km what scale used on map
asked by Angela 
English
What is some of Edgar Allan Poe's work that is classified in the American Romanticism genre.
asked by / 
Anne Frank (The Play)
Good afternoon! I have questions regarding The Diary of Anne Frank (the play), and although I've read it through multiple times, I have trouble identifying exactly how Anne's character is developed through dialogue and stage directions. (The Diary of Anne
asked by Anonymous 
Math~symmetry
Which Figure has the greatest number of lines of symmetry? Equilateral Triangle Square Circle* Rectangular prism
asked by Mr. Skill's101.4 
Chemistry
A titration required 23.8ml of a 0.15 M NaOH solution. How many moles of NaOH were in this volume?
asked by Kandace 
Chemistry
A student weighed a sample of KHP and found it weighed 0.9803g. The titration of this KHP required 23.45 mL of base (NaOH). Calculate the molarity of the base.
asked by Kandace 
Math~Symmetry
How many letters in the word math have more than ONE line of symmetry? A. 4 B. 2 C. 1* D. 3
asked by Mr. Skill's101.4 
Algebra
How do I do these?
asked by Jo 
language arts
1: list some important ideas that the giver includes. why did you choose those ideas? 2: tell how using a reading role helped you understand the book. support your response with at least 2 pieces of evidence from the novel
asked by yeet 
U.S. history
How many people signed the declaration of independence? Name 5 well known signers.
asked by Anonymous 
Math
Solve the quadratic equation 2x²  4x + 1 = 0 How many solutions are in the equation 3x² + 4x  7 = 0
asked by Jo 
Texas History
Check my answers? Which of the following shows the influence of the U.S. Constitution on the Texas Constitution? A. the executive branch has the most power B. existence of a bill of rights ** C. provisions promoting legislative over judicial power D.
asked by / 
calculus
y= x / (x^2+x) what are the discontinuities on this graph ?
asked by rod 
Math
A rectangular prism has a volume of 7.875^3 and a hight of 3.5. What is the area of the base of the prism Show me the steps
asked by Dylan 
Math
A rectangle prism has a volume of 6.84m^3 and a hight of 1.2m. What is the area of the base of the prism. Please show all steps in doing v this. Please
asked by Cheyenne 
math
state the slope and y intercept for the graph of y =4x
asked by Anonymous 
math
Suppose that a ball originally fell from a height of 2.0m and on each bounce the ball rises to 70% of the height from which it fell. Express the height reached, h , as a function of the number of bounces, n.
asked by Fern 
math
Please Help state the slope and the yintercept for the graph of y = 4x
asked by Anonymous 
Math
1. Graph the quadratic equation y = x2 + x – 2. Identify the axis of symmetry and the vertex. 2. A ball is thrown from the top of a 50ft building with an upward velocity of 24 ft/s. When will it reach its maximum height? How far above the ground will it
asked by 1234 
math
Suppose initially there were three bacteria and now there are 384 bacteria. How much time has elapsed, a bacterial strain doubles its number every three minutes
asked by MATHHELP 
Math
the area of a parallelogram is 120. of the base is reduced onehalf of its original length, and it height is quadrupled, what is the new area 30 60 120 240**
asked by Simon 
Language Arts
Which sentence contains an interjection? A. Aha, I’ve discovered the secret door. B. Carla, would you please move over? C. Both egrets and herons nest here. D. How can we best solve the problem?
asked by HobiHo 
Chemistry
A potassium metal has a work function F = 4.41 x 1019 J. Calculate the velocity of electrons emitted by exposing the metal to radiation of wavelength 300 nm.
asked by Kevin 
Math
Four years ago, Danielle was 2/3 as old as Jim was. Now she is 3/4 as old as he is. How old is each now?
asked by Beth 
Math
The diameter of a basketball rim is 18 inches. A standard basketball has a circumference of 30 inches. What is the distance between the ball and the rim in a shot in which the ball goes exactly in the center of the rim? Show your work. First I must find
asked by Mace 
math
can someone post the formulas for how to calculate the area of a circle, and parallelogram? thanks
asked by iron59 
Math
In a survey 200 people were polled at a local shopping center about spending free time playing sports, watching a movie, or reading a book. The relative frequency table below displays the results. MOVIE SPORTS READ MALE 0.25 0.30 0.10 FEMALE 0.15 0.05 0.15
asked by No Tears Left to Cry 
Physics
A concave spherical mirror has a radius of curvature of 29.4 cm . The object distance is 5.7 cm .Scale: 10 cm = Find the magnitude of the image distance. Answer in units of cm. 2 Find the magnification.
asked by zachary 
Trigonometry
Theta = x Question: Given angle x, where 0degrees
asked by Kwame 
Physics
Of the following materials, sound waves travel fastest through...? Helium at room temperature Air at room temperature Water at room temperature Steel at room temperature
asked by Anon 
Physics
A concave mirror has a radius of curvature of 1.61 m. Calculate the position of the image produced when an object is placed 2.66 m from the mirror. Answer in units of m. Calculate the position of the image when an object is placed 0.492 m from the mirror.
asked by Anon 
Math
The volume of a suitcase is 1,200 cubic inches. Its length is 20 inches, and its height is 10 inches. What is the width? Write an equation to represent the width. Then find the width of the suitcase.
asked by Anonymous 
Physics
A concave mirror with a radius of curvature of 1.7 m is illuminated by a candle located on the symmetry axis 3.7 m from the mirror. Where is the image of the candle? Answer in units of m
asked by Anon 
Trig
Theta = x Question: Given angle x, where 0degrees
asked by Kwamette 
Calculus
f is a differentiable function on the interval [0, 1] and g(x) = f(2x). The table below gives values of f '(x). What is the value of g '(0.1) x .1 .2 .3 .4 .5 f'(x) 1 2 3 4 5 So I know f(x) would be the integral of f'(x) which you can get with a Riemann
asked by Anonymous 
Math
The following table compares the speed you drive in km/h to the fuel economy in km/L. Find the speed you need to travel to max your fuel economy. Speed 24 32 40 48 56 64 72 80 89 97 105 113 Fuel Economy 9.48 10.84 11.69 12.33 12.24 12.75 12.71 12.84 12.92
asked by Math 
Science
Are there instances when the scientific method is used without the possibility of conducting experiments?
asked by Sandra 
Math
The average depth of the water at the end of the dock is 6 feet. High tide occurs at 6 am and low tide occurs at 6 pm. The depth of the water at high tide is 9 feet. The information can be graphed using a sinusoidal function. Your boat needs at least 4.5
asked by Math 
Social Studies
Summarize the Supreme court case Plessy v. Ferguson and explain why segregation acceptable. What were the Thirteenth, Fourteenth, and Fifteenth Amendments? Did these amendments eliminate the problems faced by African Americans? HELP ME PLEASE!!
asked by Unknown 
Biology
Describe the microbial loop and role of viruses simplified. I just dont understand it if anyone could please help or suggest a website?
asked by anon 
Math
A recipe for fruit punch calls for cranberry juice and sparkling water. The ratio of cups of cranberry juice to cups of sparkling water is 6:24. According to the recipe, how many cups of cranberry juice are needed for every 1.5 cup of sparkling water?
asked by Daniel 
Math
Solve the system of equations algebraically. Show all of your steps. y=x^2+2x y=3x+20
asked by Dan 
Physics
Which of the following statements is/are true about Gaussian surfaces? i. Gaussian surface is the name for a closed surfaces used when calculating flux in Gauss’ Law ii. A Gaussian surface can have any shape (as long as it is closed) iii. Like defining
asked by mnop 
Physics
What is the net electric flux within a Gaussian surface is directly related to what physical quantity/quantities? a) the area chosen b) the amount of charge enclosed by the area c) both the amount of charge enclosed by the area and the area chosen
asked by mnop 
Physics
Electric potential and electric potential energy are synonyms for the same physical quantity  the potential energy per unit charge. are synonyms for the same physical quantity  the potential energy of a given charge. are two different but related
asked by mnop 
statistics
The J.R. Simplot Company produces frozen French fries that are then sold to customers such as McDonald's. The "prime" line of fries has an average length of 6.00 inches with a standard deviation of0.50 inch. To make sure that Simplot continues to meet the
asked by laura 
Math
a round classroom table is made from 5 identical wedges. what is the measure of each angle formed at the center of the classroom table. explain
asked by Evline 
Math
how many unit angles does the smaller angle of a tan pattern block turn through? Explain
asked by Evline 
Calculus AP
f is a differentiable function on the interval [0, 1] and g(x) = f(2x). The table below gives values of f ′(x). What is the value of g ′(0.1)? x 0.1 0.2 0.3 0.4 0.5 f ′(x) 1 2 3 –4 5 The answers are: 1 2 4 cannot be determined I got 1 please let me
asked by Anon