Questions Asked on
August 28, 2019

Physics
A baseball hits a car, breaking its window and triggering its alarm which sounds at a frequency of 1250 Hz. What frequency (in Hz) is heard by a boy on a bicycle riding away from the car at 6.50 m/s? Take the speed of sound to be 343 m/s.
asked by Tony 
Physics
A train is moving past a crossing where cars are waiting for it to pass. While waiting, the driver of the lead car becomes sleepy and rests his head on the steering wheel, unintentionally activating the car's horn. A passenger in the back of the train
asked by Tony 
math
choose the ratio that forms a proportion with 9/10
asked by chosen 
American Government
How did the English Bill of Rights influence the American Bill of Rights? I need help ASAP! Thanks
asked by HiðŸ˜± 
math
Which ratio can you get by scaling up the ratio 5/6 chapters in 1/3 hours A. 5 chapters / 18 hours
asked by lil 
Chemistry
Green plants use light from the sun to drive photo synthesis. Photosynthesis is a chemical reaction in which water (H2O) and carbon Dioxide (CO2) chemically react to form the simple sugar glucose (C6H12O6) and oxygen gas (O2). What Mass of oxygen gas is
asked by bob 
English
I am supposed to mark the meter using the unaccented (u) and accented (/) marks for the first quatrain of Sonnet 116. Let me not to the marriage of true minds Admit impediments. Love is not love Which alters when alteration finds, Or bends with the remover
asked by Abigail 
Geometry
Tell whether the lines through the given points are parallel, perpendicular, or neither. Line 1: (6,10), (4,2) Line 2: (8,6), (0,4)
asked by Lamont 
Math
Please convert 149600000000 metres in standard form
asked by Mohd 
math
Solve simultaneously log (x1)+2logy=2log3 and logx+logy=log6
asked by FAITH 
Maths
Find the area of quadrilateral ABCD having vertices A(1,5) , B(2,6) , C(4,10) and D(3,5)
asked by Raj 
Texas history
How does sequencing events on a timeline help historians? A~ It allows them to consider events with specific dates B~ It helps them consider events outside of their time periods. C~ It helps them understand relationship between events.***My answer D~ It
asked by sunflowerr 
Science 8th grade
A scientist bends wires made of different metals to check their flexibility. Which of the following best justifies the type of change taking place? Physical change because shape is a physical property. Chemical change because shape is a physical property.
asked by May 
Physics
Calculate the reflected percentage of an ultrasound wave passing from human muscle into bone. Muscle has a typical density of 1.06 * 10Â³ kg/mÂ³ and bone has a typical density of 1.89 * 10Â³ kg/mÂ³.
asked by Tony 
math
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Suzanne needs material for her school project. She buys 5.50 yards of material at $3.87 a yard. What is the total cost of the material? Round to the
asked by Anonymous 
Science
What is the independent or manipulated variable in this experiment
asked by Alexis 
Social Studies
Mrs. Sue, Please check my answers! Thanks.
asked by Felicity 
Biology
The guppy is a species of small freshwater fish. Scientists observed that the average size of guppies in a pond decreased over a few years after a guppy predator was introduced in the pond. Which of the following best explains the change in guppy size? A)
asked by Nappa 
geography
Why is a federal system of government more complex than a unitary system? A. Power is divided into many levels. B. The people get to make laws for the country. C. Decisions are made by a group of people rather than one person. D. Laws are made for the
asked by adam 
english
what is the name of the forest where the story white knight is set? why is it significant?
asked by chencho 
Math  Precalc
Find (f*g)(x) and its domain when f(x)=x^2+9 and g(x)= sqrt x+3 A. (fÂ·g)(x)=x+12; (âˆž,âˆž) B. (fÂ·g)(x)=âˆšx^2+12; (âˆž,âˆž) C. (fÂ·g)(x)=âˆšx^2+12; [3,âˆž) D. (fÂ·g)(x)=x+12; [3,âˆž) I need help please. I don't know how to get the correct answer
asked by Tay 
Math
What are the answers for the Divisibility tests quiz part 1
asked by Volt comet 
physics
a man rides a motorcycle 12km due east and later 5km due north. calculate the: 1.total distance covered 2.displacement covered
asked by lala 
Geography
Which of the following is a way humans have an impact on earth? A. Weather B. Deforestation C. Democratization D. Cultural diffusion
asked by Icy 
English
Identify the participial phrases and participles that are used as adjectives in the following sentences. Give the noun or pronoun each participle or participial phrase modifies. 1. Known as Johnny Appleseed, John Chapman distributed apple seeds and
asked by Hayden 
Math
A group of nine people, some adults and some children, went to the movie theater. Adult admission was $8 and child admission was $5. The amount charge was $55. Could this amount be correct?
asked by Carmen 
Calculus
Find an equation of the sphere with center (2,6,4) and radius 5. Describe it intersection with each of the coordinate planes.
asked by Anonymous 
math
Alex wants to decorate her bedroom wall with colored square paper. She wants all the squares to be the same size to make a checkerboard design. The area to tile is a rectangle measuring 80 inches by 96 inches. The paper squares come in widths of 10in,
asked by Ismail 
Calculus
Show that the equation represent a sphere, and find it center and radius 3x^2 +3y^2 + 3z^2=10+6y+12z
asked by Anonymous 
Physics
What is resistive force?
asked by Raj 
Math
The charge for telephone calls T, is partly constant and partly varies with the number n of unit of call. The bill for 580 units of call is 900 .while the bill for 310 units is 500.
asked by Alex favour 
Maths
the mark obtained by pupils of a class are grouped as shown below 04,59,1014,1519 the class width is?
asked by FBI 
Math
Simplify using order of operations. Show all of your work and do ONE operation at a time to receive all possible points. 16/4x2=? I haven't done Order of OPs in awhile so I might be wrong ;; My answer was 8.
asked by dat space boi 
Music
How many beats are in an eighth rest? 2*** 1/2 4 1 Could some one please check if this is right?
asked by Name 
History
How did river transportation improve in South Carolina during the early 1800's? 1)A dam on the Chattooga river removed the rapids near the border. 2)Canals made it possible for ships to travel past the fall line. 3)Rivers were deepened so large ships could
asked by Anonymous 
Maths
Find the area of triangle having vertices A(1,5) , B(2,6) and C(3,5)
asked by Raj 
Math
(7 + 2)^2 âˆ’ 2^3 equals? I got 73.
asked by dat space boi 
Maths
C(4,10) and D(3,5) which is CD is intersected by BE
asked by Raj 
Math
tell me letters of pie all the way to thousands but you dont have to go that far hundreds will do
asked by brody 
Math
When constructing an angle nose toe why must the arc intersect
asked by Brenna 
Math
A pound of apples cost 1.20. Rachel bought two and a half pound s o apples if she gives the clerk 5.00 bill how much change will she get back
asked by Adrianna 
Algebra
The number of pizzas Jason makes on an average Saturday night at Rocky Coast Pizza Company is 17 less than twice the number of pizzas Alia makes. Jason makes 147 pizzas. Choose the equation you would use to find the number of pizzas, n, that Alia makes.
asked by Madi 
Science
What is a negative effect of a light bulb that candles fix? I can't think of any.
asked by user 1 
Algebra
The opposite of 4 is 4. 4 ((4)). 4. Please help!!! And fast!!!
asked by Yeet 
MATH
Last Saturday, 215 people saw movie x, 25 people saw movie w, and 15 people saw both movie x and w. Neither of the 200 people saw z movie. How many people saw one movie on Saturday. Please show the problem step by step to get the answer. I added 215 + 25 +
asked by emily 
math
9(84x)=9(4+9x)
asked by lebron 
Social Studies
Which type of economies do all African countries have? A. **? traditional B. mixed C. market D. command Am I right?
asked by KirbyLove 
Social studies
Which group of ancient Greek women had greater freedom? A. slave women B. Athenian women C. metic women D. Spartan women
asked by n0 
World Geography  Africa
These countries were considered to be the only independent areas from European control in the 1800s. A. Nigeria & Rwanda B. Ethiopia & Nigeria C. Ethiopia &Liberia D. Nigeria & Mozambique Thank you!
asked by Madi 
PreCalc
Find (gâ€¢f)(x) when f(x)=âˆšx+1 and g(x)= x^2+3/x A. (g*f)(x)=x+4/sqrt x+1 B. (g*f)(x)=x^2+2x+4/sqrt x+1 C. (g*f)(x)= (x^2+3)(sqrt x+1)/x D. (g*f)(x)=sqrt x^2+3/x +1 I think its A or B...I'm not sure.
asked by Tay 
Technology
If the mine winch drum diameter is 6m calculate how far the Cage Will drop for each single rotation of the drum
asked by Thando 
Anatomy
Jenny is comfortable learning visually. What is the best way for her to study bone markings for her lab quiz? All the above learning modalities can be implemented Listening actively to lectures on the bone markings Feeling the markings on bone models
asked by Kaylie 
Algebra
Let f(x)= (x2)^3+8 a. Show that this function is onetoone algebraically. b. Find the inverse of f(x)
asked by Sam 
Algebra 8th grade
What is the value of b if 7 + b = 8
asked by nothing 
Algebra 2
Find three consecutive even integers so that the twice the sum of the second and third is twelve less than six times the first.
asked by RoseMarie 
PreCalc
Determine whether f(x)=5x+1/x and g(x)= x/5x+1 are inverse functions. Explain how you know. Help please?
asked by T. 
Math
Determine whether f(x)=5x+1/x and g(x)= x/5x+1 are inverse functions. Explain how you know.
asked by RoseMarie 
Math
46.2 yards to meters
asked by destiny 
Physics
Workers attach a 25.0 kg mass to one end of a 20.0 m long crane, suspending the mass in midair. If the cable has a mass of 12.0 kg, determine the speed of transverse wave at the middle and bottom end of the cable.
asked by Tony 
World history
Someone help plz im rlly bad at history 1.How have the Ten Commandments influenced life today? A.They established the democatic form of government. B.They created a separation between church and state. C.They influenced aspects of today's legal and
asked by A random person 
Physics
A tug tows a small boat with a rope inclined upward at 30 degrees to the horizontal. The tension in the string is 2000N.What is the forces tending to raise the boat out of water.
asked by Hassan 
Math
How to make 75 cents with out using a half dollar or pennies
asked by Jiana 
arithmetic
how do i convert 1043km to miles
asked by me 
math
In a fraction with the denominator of 15, which value could the numerator be to produce a repeating decimal? a) 15 b) 9 c) 11 d) 12
asked by help please 
math
how do i convert 292 cm to inches
asked by me 
English
Identify the participial phrases and participles that are used as adjectives in the following sentences. Give the noun or pronoun each participle or participial phrase modifies. 1. She heard me sighing loudly. 2. Aided by good weather and clear skies, the
asked by Hayden 
algebra
Simplify the following expression: 4(20+12Ã·(53) I need help with just this question plz.
asked by Ty 
math
the product of johns height and 5 is 95 use the variable j to represents john
asked by lynn 
English
Identify the phrase as an adjective phrase or an adverb phrase 1. about a football playeradjective phrase 2. by his achievements adjective 3. in the front yardadverb
asked by Hayden 
Math
Determine the coefficient of x^15 in the expansion (2x3x^2)^10 ii)Find the coefficient of x^8 in the expansion (x^2 +1/x^3)^16
asked by Bolton 
History
what do we gain from being able to "step back" from our own way of life as Miner has done here?
asked by . 
Social Studies
Would the executive branch be responsible for whether or not a import of a drug should be illegal?
asked by Joe 
Math
3x+12y=66;2x5y=21 by substitution, elimination, cross multiplication,and garapically methods
asked by Manju 
Physics
A man walks east before proceeding north. If the displacement of the man is 13 meters; 67.38 degrees north of east. What was the distance covered by the man?
asked by Ellery 
social studies
which of the following is closest to the Athenian form of democracy? 1.new england town meeting 2.the house of representatives 3.Virginia house of burgesses 4. the electoral college pls help ms.sue
asked by fgvsdfz 
Math
Tell whether the lines through the given points are parallel, perpendicular, or neither. Line 1: (6,10), (4,2) Line 2: (8,6), (0,4)
asked by LmaoImRock 
Social Studies
Was the State Department responsible if any terrorist attack happened in the US before 1982?
asked by Joe 
Math
A box that is 2 inches x2 inches x2inches x2 inches.how much material do I need to cover box
asked by Kathy 
math algebra
please help me simplify this expression!! 12 divided by 3 x (8 + (4)^2  6) + 2
asked by kate 
Math
I have two cities how do i find the average elevation to see if below sea level what formula.
asked by Jay 
Math
Roberto has 150 roses, 120 lilies, and 60 hydrangeas to make bouquets. Each bouquet should have the same number of each type of flower.b) How many roses, lilies, and hydrangeas will be in each bouquet?
asked by Ismail 
Research
What do you mean by "fair subject selection" in research ethics?
asked by Lorelei 
Math
Karin spent Ksh (shillings). 380 to buy 10 books and 3 pencils. Her sister Margaret used Ksh 195 to buy 5 books and two pencils. a. What is the cost of one book and one pencil ? b. If their sister, Jane, needs to buy six books and two pencils, how much
asked by Lexi 
chemistry
balance the equation KCIO
asked by Anonymous 
History
1. Midwifery was a job outside of the home typically performed by women that provided what service to the community? A. teaching young children how to read B. helping women during birthing process C. aiding in the care and nourishment of slaves D. raising
asked by Anonymous 
physics
You are given three displacement vectors: with magnitude 5.0 m in the direction of 60o below the negative xaxis, vector, has an xcomponent of +2.5 m and a ycomponent of +6.0 m and vector has magnitude of 2.5 m in the negative yaxis.
asked by vector 
Math
The charge for telephone calls T,is partly constant and partly varies with the number n of units of call.The bill for 580 units of call is #900, while the bill for 310 units is #500.a.obtain the charge per unit of call.b find a formula for T.
asked by Precious 
Math
Y is more than 4 is 36 Can I have help solving this?
asked by Clark