Questions Asked on
September 16, 2019

calculus
The volume of air contained in the lungs of a certain athlete is modeled by the equation v=447sin(76πt)+721, where t is time in minutes, and v is volume in cubic centimeters. What is the maximum possible volume of air in the athlete's lungs? What is the
asked by Anonymous 
math
(11.4) Two balls are to be selected with replacement from a bag that contains one red, one blue, one green, and one orange ball. Determine the probability that the orange ball is selected at least once.
asked by kerry 
physics
Calculate the pressure exerted halfway up a 30ft tank. The liquid level in the tank is 22 ft. Specific gravity is 0.79. Vapor pressure at 100 degrees Fahrenheit equals 12.2 psi. The tank operates at 36 psi.
asked by kay 
math
The thirdtallest Ferris Wheel in the world is the London Eye in England. The height (in metres) of a rider on the London Eye after t minutes can be described by the function h(t) = 67sin [12(t + 0.0223)] + 70. At what time(s) will the rider be at the
asked by A 
chemistry
balance the following chemical equation Fe2(So4)3 + KSCN = K3Fe(SCN)6 + K2So4 my answer: Fe2(So4)3 + 12 KSCN = 2 K3Fe(SCN)6 + 3 K2So4 is my answer correct?
asked by anonymous 
math
1. Find 93 * 87 using mental math. A 8091 B 8079 C 8121 D 7221
asked by Laine 
Math
Jan has a 18X18X12 inch gift box that needs to be placed carefully into a 2X2X2ft shipping carton, surrounded by packing peanuts. a. How many 1cubicfoot bags of peanuts does Jan need to buy? b. Jan opens one bag of peanuts and spreads them evenly on the
asked by Sarah 
Math
In a competition 7 points were awarded for each game won and 2 points were deducted for each game lost . Onyango got 86 points .If there were 20 games. How many games did he lose?
asked by Anonymous 
physics
A small lead ball of mass 2kg is suspended at the end of a light string 1m in length. A small peg, 0.5m below the suspension point, catches the string in its swing. The ball is set swinging through small angles. A) What is the period of the pendulum? B)
asked by Habib 
math
A 16 2/5 ounce package of medicated cough drops costs $0.99. What is the unit cost? A. $0.08 per ounce B. $0.50 per ounce C. $0.76 per ounce D.$0.06 per ounce
asked by Bob Tehe Builder 
Math
what property is 0+9=9
asked by Stillsingle 
math
Note: Your teacher will grade your response to ensure that you receive proper credit for your answer. Write the rules for determining the sign of the product when multiplying integers. Then, write the rules for determining the sign of the quotient when
asked by i dont know how o answer this 
science
What is the best form of fire safety? A. fire prevention** B. an extinguisher C. the fire department D. a water hose I think a
asked by Tokyo ghoul and Attack on titan 
Math
the quotient of 8 and the sum of 3 and m, is it 8/3+m?
asked by GG 
Physics
A rubber band is stretched to twice it's original length .calculate the strain on the rubber band
asked by Sandra 
Geography
15.How do culture and geography affect each other? 16.Define archeology, anthropology, geology, and history. Essay Questions: 17.What is the role of the government in a mixed economy? 18.How does the tilt of Earth's axis and its movement around the sun
asked by roryzane14 
Biology
Five uses of science
asked by Idowu 
english
You could draw me to fire, you could draw me to water, you could draw me to the gallows, you could draw me to any death, you could draw me to anything I have most avoided, you could draw me to any exposure and disgrace. What syntax( structure ) is used?
asked by Anonymous 
Chemistry
suppose a runner completes a 10k (10.0km) road.race in 43 minutes and 55 seconds what is the runners average speed in miles per hour
asked by May 
Math
write the polynomial in standard form. Then name the polynomial based on its degree and number of terms. 8x + 5x^3 5
asked by Tyi 
Chemistry
The price of a popular soft drink is $0.97 for 24.0 oz or $0.77 for 0.500L What is the price per liter of the 24.0oz bottle What is the price per liter of the 0.500 L bottle
asked by May 
chemistry
calculate the mass of lead  trioxonitrate(v) that will react with 7.8g of sodium chloride to form 10.5g of sodium trioxonitrate (v). if the law of conservation of mass is obeyed
asked by Mary 
Math
Both 2 and 5 are common factors of every number
asked by Keyshia 
Physics
A car is traveling 26 m/s when the driver sees a child standing on the road. He takes 0.8 s to react, then steps on the brakes and slows at 7.0 m/s2. How far does the car go before it stops?
asked by Nick 
physics
How far does a plane fly in 17 s while its velocity is changing from 144 m/s to 75 m/s at a uniform rate of acceleration?
asked by Nick 
English
They have told us a lie . Change it to passive voice
asked by Aviskar 
Math
a) (root 3 + i )to the 8th power b) (1i) to the seventh power
asked by Kelly 
Math
Which angle between 90° and 270° has the same sine value as 10°? Which angle between −180° and 0° has the same cosine value as 200°
asked by Lyfe 
Chemistry
The answer given is 96kj mol1. I am stuck on how to reach it though. Any help would be appreciated. Use average bond energy’s to estimate the enthalpy change for this reaction 2 N2O(g) ——> 2 N2 (g) + O2 (g)
asked by Miki 
Math
Two wooden boxes, both with dimensions 8080 cm, 11 m and 25 cm, are placed on the ground, one on top of the other as shown. The entire outside surface is then painted. Find the area of the painted surface.
asked by student #1 
social studies
What is allocation by need? A. pricing goods based on want rather than need B. giving or selling goods only to people who most need them C. giving or selling goods to whoever will stand in line the longest D. pricing goods so that even the most vulnerable
asked by Ayham 
social studies
Which of the following are the basic economic questions? Select all that apply. A. Where should goods be produced? B. How should goods be produced? C. What goods are produced? D. Which resources can be used for goods? E. Who receives the produced goods? F.
asked by Ayham 
Math
Prime factorization method for 31.36
asked by Nisha 
Algebra
If y varies directly with x and y is 14 when x is 6 What is the constant of variation What is the direct variation equation
asked by Jillian 
Social studies
What points does a legislature have to consider while formulating laws
asked by Sandeep 
math
round of to the nearest metre 2 1\4m
asked by juliano 
Physics
4. The figure above shows an 80kg astronaut pushing on a spacecraft with force 𝐹𝐹, in outer space. The spacecraft has a mass of 1×104 kg. During the push, the astronaut accelerates to the right with an acceleration of 0.4 m/s2. Determine the
asked by Afiq 
Math
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.Simplify using order of operations. Show all of your work and do ONE operation at a time to receive all possible points. 16 ÷4⋅2 I know the answer to
asked by *Omq_Rosie* 
Calculus
Evaluate the derivatives by implicit differentiation. Assume all letters represent constants, except for the independent and dependent variables occurring in the derivative. 𝑃𝑉^𝑐=𝑛𝑅𝑇 Find dP/dV
asked by Person 
English
First off nobody has been able to answer this when I looked... Please help out, maybye give me a basic answer to work off of. The title "Two Kinds" refers to the statement by the mother that there are only two kinds of daughters: "Those who are obedient
asked by IDK 
Maths
There is a function y=f(x) for 4
asked by Raj 
Social Studies
What metropolitan statistical area falls within two regions of georgia? A. Valdosta B. Rome C. Macon D. Gainesville i choose macon
asked by anonymous 
Music
Lesson 10: Feel the Pulse Unit Test A _____________ is a mechanical or electronic device used to keep a steady tempo. A metronome  my awnsor b cresendo c ritardando d bar line i need help.
asked by Mr ruben 
Chemistry
A chemist produces 460 ml of nitrogen gas at 43 degrees celsius and constant pressure. To what celsius temperature must the nitrogen be warmed in order for it to have a volume of 600 ml?
asked by Clarissa 
Math
A pond is 36 m long a duck swims 4 lengths of the pond each day how far does the duck swim in four weeks
asked by Mo 
History
Brighton was developed in early civilizations as a way to keep what important record
asked by Answer This question 
math
For questions 211 perform the indicted operation. Don't forget to determine the sign of your answer first. 36.9536.95+59.72 A.59.27 B.59.72 C.133.62 D.22.77
asked by truly 
Math
How do you simplify this expression 12÷3*(8+(4)^26)+2
asked by SoAestheticallyPleasing 
Civics
Which statement best describes the constitutional amendment process? It is a secretive process in which an amendment is proposed by secret ballot before being approved or vetoed by the president, who then lobbies Congress to ratify it. It is a simple
asked by kat 
Math
How do you simplify this expression 12÷3*(8+(4)^26)+2
asked by Constince 
Math
(−8+(−4)^2−6)
asked by SoAestheticallyPleasing 
Math
Please continue this 12÷3⋅(−8+(−4)2−6)+2 4^2 = 16 16  8  6 = 2 3*2 = 6
asked by Stillsingle 
Science.
What is the procedure for coducting a food that test postive to sodium hydroxide and copper sulphate soultion.
asked by Christan. 
Math
y more than 4 is 36
asked by Stillsingle 
English
Summarize these few paragraphs into three sentences. Shorty soon decided that my hair was finally long enough to be conked. He had promised to school me in how to beat the barbershops’ three and fourdollar price by making up congolene and then conking
asked by Kaitlyn Crossland 
Math
what property is 9+8=8+9
asked by SoAestheticallyPleasing 
chemistry
Sodium chloride salt (NaCl) has a solubility coefficient equal to 55g/100g of water at 25 ° C. If we add 15g of salt to 100g of water what kind of solution are we forming? Formation of any precipitate?
asked by damon 
Math
what property is 8*(4+3)=8*4+8*3
asked by SoAestheticallyPleasing 
Math
what property is 8*(4+3)=8*4+8*3 Distributive 9+8=8+9 Communitve
asked by SoAestheticallyPleasing 
Math
Which symbol is used to make –5 ? –8 a true statement? A. > B. < C. = My answer was C
asked by Liya 
Science
There are many variables in an experiment. Which variable should you only have one of in each experiment A) controlled variable B) independent variable C) dependent variable
asked by That'sASecret!^^ 
Algebra
hElp, I don't understand at all. 3. Complete the table and state the rule. 0  0  3 2  3  9  5  15 6  Please help. :'v
asked by Madi 
History
Explain the most significant geographic condition that challenged the development of ancient Egyptian civilization . Please help can’t figure this out
asked by Seven 
Electrical engineering
A circuit of 4 resistors with a voltage supply of 60 volts,with 3 connected in parallel with 12,18 and 36 ohms are respectively connected in series with the fourth resistor.the power dissipated on the 12 ohm resistor is 36 watts.calculate the resistance of
asked by Tumelo 
History
Why was the Neolithic revolution a revolution
asked by Seven 
History
Apply your knowledge of Texas' economic development and geographic regions to explain where in Texas you would convince a tech company to locate. Explain why you would steer them away from other regions of the state.
asked by Taylor 
Science
Which statement describes a volcano that is classified as dormant? a. It has never erupted. b. It is not expected to ever erupt again. c. It is expected to erupt soon. d. It has not erupted recently. As for what I got from the definition of a dormant
asked by Anon 
Science
What does a mortician do?
asked by help me im single😢😢 
Math
A Ship is Sailing due East.It changes course to SE.Throuhg how many degrees does it turn?
asked by Camila 
Math
3.7 × 9 =33.3 Write the value of 3.7 × 90.
asked by QUIZZIT 
Math
Can one of you guys go step by step how to solve this problem (1.15) * 3.2? Please and thank you.
asked by Wonder Woman 
Career planning
I Think I got it right but im not surE?!? 3. What is the term for something that is not necessary but makes your life easier or more enjoyable? (3point) (a)business (b)economics (c)need (d) want *****************
asked by sAd_tEA 
Algebra/Geometry
A family is having a pool built in their backyard. If their yard in rectangular and measures 10x by 5x and the pool is circular with a radius of 2x how much of the yard will be left over after the pool is built? Write your answer in factored form.
asked by Emily 
Business
Discuss how these environments affect the success or failure of any organization external environment
asked by Josiah 
Algebra
Can someone explain how to do this? Suppose c and d vary inversely, and d=2 when c=17. a. Write an equation that models the variation. b. Find d when c=68
asked by Ember Lovet 
History
Which conflict between white settlers and tribal groups do you think was the most damaging to the American Indian race as a whole? Use details to support your answer. Im pretty sure it is trail of tears.
asked by Kaitlyn23456 
Science
How can erosion and deposits form a plain?
asked by Aria 
physics
An Artillery cannon is pointed upwards at an angle 35 degree with the horizontal and fires the projectile with an initial velocity of 200 m/s.If the air resistance is negligible: Find (a)The maximum height of the projectile (b)Range of projectile
asked by Mohammad Talha 
Math
33+m=10 What is the answer plz help A. m=43 B.m=23 C.m=23 D m= 43
asked by S.A.D 
Career planning
Which of the following statements is accurate? (1 point) (a)People with the same job title always perform the same duties. (b)People with the same job title may perform different duties. ***********< this one??!?! (c)There are only a few job titles per
asked by sAd_tEA 
Algebra
5( 3x  2)  (x  3) = 4(4x + 5) + 13
asked by Nathaniyl 
Math
what is the additive inverse Of 38 A. 38 B. 38 C. (!38!) D.(((38))) (the exclamation marks are lines)
asked by S.A.D 
science
why is atom electrically neutral
asked by peter 
Math
what is the difference between 3 and 3? please help and explain it step by step
asked by S.A.D 
English
Identify the subject, verb, compliment, adj and prepositional phrase and adverb 1. Nearly everybody has heard a strauss waltz. 2. The waltz is a form of ballroom dance that originated in Germany and Austria in the eighteenth century. 3. John Strauss was
asked by Hayden 
Physics
A meteoroid passes between the moon and earth a gravitational force of 600N pulls the meteoroid toward the moon. At the same time, a gravitational force of 480N pulls the meteoroid toward the earth. The angle between the two forces is 130. The moons force
asked by Adrienne 
English
identify the subject, verb, compliment, adj and prepositional phrase and adverb 1. Johann toured with an orchestra for many years, but in 1810, when his first wife said she would like him to write operettas, he turned his attentions to writing music. 2.
asked by Hayden 
English
It was because I was not putting the effort to do so and because of my time management. Is this correct? because it says that I have an incorrect verb form.
asked by Laly 
statistics
1. C 2. E 3. A 4. A?? Which of the following variables for data about a track team is a discrete variable? C would be the discrete variable?? The height of a team member A The weight of a team member B The number of times that a team member finished first
asked by Anonymous 
math
This has been asked before But I didn't understand it. Carl wants to plant a garden that is 1 1/2 yards long and has an area of 3 1/2 square yards. How wide should he make the garden? a. 3/7 yard b. 2 yards c. 2 1/2 yards d. 5 1/4 yards Help please.
asked by pink fluffy unicorns 
language arts
Emily and Sarah are highschool students competing in a contest to design a playground. Emily knows that Sarah is receiving help from her uncle, a landscape architect, but she cannot prove it. Emily is torn between cheating herself or losing to someone who
asked by Xavier 
science
Jupiter, Saturn, Uranus, and Neptune: what is one reason why life probably does not exist on these four planets?
asked by Alexis 
Math
Help me 3+ 28/(7) +5(6) 3 +(4)+30 =31 Tell me if this is right
asked by jOHNNIE 
Math
During the period 19902004 the average commute to work in the greater washington, d.c area increased from 20 minutes in 1990 (t=0) by an average of 3 minutes per year. Use these data to express y, the average number of minutes commuting to work, as a
asked by javieeeen 
math
Suppose you have an isosceles triangle, and each of the equal sides has a length of r feet. Suppose the angle formed by those two sides is t. Then the area of the triangle is?
asked by Anonymous 
math
I keep mixing up the horizontal line and the vertical line for the xaxis and yaxis. What is a trick to help me remember them correctly?
asked by afjlkin 
Texas State History
Really need as much help How did the Treaty of Paris affect life in Spanish Texas? A) Missions were moved and a large effort was made to increase the population of Spanish Texas. B) The United States took over a large part of eastern Texas. *****C) Most
asked by brook 
Math
(90x^22y^17−108x^17y^11+90x^16y^4)/−9x^5y^2 my answer is : (2x^11y^2)(5x^6y^136xy^7+5) but it says it can be simplified more? how much more can you simplify?!
asked by mathhelper 
Math
xy(x^2+y^2+25)^1.5 integration limit 0
asked by Hetvi 
Math
Vance is practicing his free throw shots. He shoots 100 free throws. He make threefourths of them. How many did he makes? 100/3/4 25 x 3= 75 Is this correct
asked by Ashley 
Math
Write 14^6 in expanded form. How many factors are there? 14^6= 2^6+7^6 is expanded form. (6+1)x(6+1)=49 Is this correct?
asked by Chris 
Math
16 2/5 12 7/8 16 16/40 12 35/40 419/40=3 21/40 check this for me please I do not really understand it
asked by Joe 
Government
Explain how a document ratified in 1689 serves as protection for you and I today, from Presidents and other American government officials?
asked by Go 
math
The line through (5,7) and decreasing at a rate of 3 units of y per 5 units of x. Is this supposed to mean 5x3y (the latter)?
asked by kristen 
Math
3 1/4 +(1 1/2) +2 1/4 13/4 + (3/2 )+9/4 Help me
asked by ashley 
algebra
find the 8th term of the sequence defined by the given rule: f(1)=5 f(n)=f(n1)+2
asked by r 
English
Im clean carlito, I'm not using. My voice dropped to a whisper. "I'm not suing" And oh, God, I found my mind thinking. wonder what it would be like again ? wonder what it would be like again? wonder what it would be like again? Wonder... What is the
asked by Anonymous 
math
Tom's treats can sell 100 candy hearts per week if they are priced at $6 each, and 20 hearts per week if they are priced at $10 each. What is the linear demand equation (let x=quantity and y=price)? This means set points (100,6) (20,10) and find m? Then
asked by kristen 
United States history
Who served as commander in chief of the continental army
asked by Anonymous 
Math
Twofifths of the instruments in the marching band are brass. Oneeight of the brass instruments are tubas. What fraction of the band is tubas?
asked by jo 
Math
Do you write 0.05 as fraction 0.05/100 and simplify as 1/20
asked by ashley 
Math
Find the distance between two numbers on a number line 2 1/2, 5 3/4
asked by Eunji 
physics
A truck travels up a hill with a 12◦ incline. The truck has a constant speed of 25 m/s. What is the horizontal component of the truck’s velocity? Answer in units of m/s.
asked by Billy Johnson 
Chemistry
When separated from a water solution, CuSO4 forms a hydrate with 5 water molecules per formula unit. If 37 g of anhydrous CuSO4 are dissolved in water, what mass of the hydrate could be recovered from the solution?
asked by Seth 
math
Perform the indicated operations on the complex numbers: (92i)(1+3i)
asked by Nikko