Questions Asked on
September 17, 2016

Math
The table shows two cell phone plans that offer free minutes for each given number of paid minutes used. Pablo has Plan A and Sam has Plan B Plan A Free Minutes=2 Paid Minutes=10 Plan B Free Minutes=8 Paid Minutes=25 a. What is Pablo's ratio of free to
asked by MattPlease Help 
Chemistry
Which of the following pairs would make a good buffer? A. H2C2O4 and HC2O4 B. HNO3 and NO3 C. NaOH and NaCl D. HCl and NaOH Would it be C? I think I remember learning about these in a lesson about buffers, hence why my instinct is to go with C...
asked by Laura 
Chemistry
For the reaction C2H4Br2+ 3KI>C2H4+2KBr+KI3, when the rate of reaction is 2.0x10^5, what is the rate of disappearance of KI?
asked by Mike 
Math
Gina's art teacher mixes 9 pints of yellow paint with 6 pints of blue paint create green paint. Gina mixes 4 pints of yellow paint with 3 pints of blue paint. Did Gina use the same ratio of yellow to blue paint instructed by her teacher? Explain. My
asked by MattPlease Help 
chemistry
A mixture of SO3,SO2 and O2 gases is maintained in 10litre flask at which the Kc for reaction is 100 . If number of moles of SO2 and SO3 are equal then how many moles of O2 present.
asked by snehi kashyap 
PRECAL
Complete the table for the time t (in years) necessary for P dollars to triple when interest is compounded continuously at rate r. (Round your answers to two decimal places.) R=2% t=? tried to plug in as A=Pe^rt since continiously 3=e^.02t ? then take the
asked by RACHEL 
Physics
A person driving her car at 45km/h approaches an intersection just as the traffic light turns yellow. She knew that the yellow light lasts only 2s before turning red,and shi is 28m away from the near side of the intersection. Should she try to stop,or
asked by Lee 
physics
A vertical spring stretches 13 cm when a 2.3 kg block is hung from its end. (a) Calculate the spring constant. This block is then displaced an additional 3.2 cm downward and released from rest. Find the (b) period, (c) frequency, (d) amplitude, and (e)
asked by Mariaaaaaaa 
Algebra
1)More than 450 students went on a field trip. Ten buses were filled and 5 more students traveled in a car. a) Write an inequality to represent the situation. Be sure to define your variable. b) Solve the inequality to find the minimum number of people on
asked by Elizabeth 
Geometry
Find the point, M, that divides segment AB into a ratio of 3:2 if A is at (0, 15) and B is at (20, 0).
asked by Lindsay 
Math
A farmer uses 11/18 of his field for growing rice and 3/7 of the remaining field for growing tomatoes. Of the area thus left he uses 1/4 of it to grow spinach and the rest to grow sweet potatoes.What fraction of the field is used for growing sweet
asked by Samiya 
Georgia History
1. Which of the following describes the Puritans? A) didn't have much success as planters B) made Sunbury into a thriving port*** C) came from the backcountry of Virginia D) came from Pennsylvania by way of North Carolina 2. Georgia’s slave code was
asked by Sami 
math study question for final
You are given a sample of 106 body temperatures having a mean of 98.2 F and a standard deviation of 0.62 F. You are asked to test the hypothesis that the population mean body temperature is 98.6 F using a 0.05 significance level. What value should you use
asked by Danielle 
maths
using a scale of 1:250 draw an accurate plan of a rectangular garden measuring 25m x 15m.
asked by sonia 
PRECAL
Complete the table assuming continuously compounded interest. (Round your answers to two decimal places.) Initial Investment== ? Annual % Rate== ? Time to Double== 11YRS Amount After 10 Years== $1600 Using formula A=Pe^rt ?
asked by RACHEL 
Chemistry
an empty graduated cylinder weighs 82.450g. when gilled tp 50.0 mL with a liquid it weighs 110.810g. what is the density of the liquid?
asked by Troy 
physics
A 4.6 "kilo" bag of sugar is on a counter. How much work is required to put the bag on a shelf a distance of 0.45 m above the counter?
asked by kim 
physics
How much work is required to lift a 5.2kg concrete block to a height of 3.1 m?
asked by kim 
MATH
Dave takes out a 24year mortgage of 210,000 dollars for his new house. Dave gets an interest rate of 13.2 present compounded monthly. He agreed to make equal monthly payment, the first coming in one month. After making the 68th payment, Dave wants to buy
asked by TT 
mathematics
the clarkes son suggests that they rent a car that costs $250 for the week pllus 22cents/km. their daughter does not want to drive far so she suggests a car that is only $96 for the week but 50cents/km
asked by safia 
Physics
A turtle ambles leisurely–as turtles tend to do–when it moves from a location with position vector r1,x = 1.49 m and r1,y = 2.83 m in a lettuce garden to another location, with position vector r2,x = 3.17 m and r2,y = 4.49 m, where the lettuce
asked by Chisom 
Chemistry
The pH of your swimming pool is found to be 6.89. What is the concentration of H+ ions in the pool? A. 7.76 × 106 M B. 0.84 M C. 1.29 × 107 M D. 1.29 × 107 M
asked by Laura 
Science
Please help me. This is the question. A diver weighing 500N is positioned at the right end of a diving board with a length of 4m and negligible weight. The board is bolted down at the left end while being supported 1.5 m away from the fulcrum. a.)Find the
asked by Kenneth 
Algebra
A phone company charges a monthly rate of 10 dollars for the first 50 text messages and charges $0.05 for every text message after the first 50 messages Write an equation in two variables that represent the monthly cost of text message services y=0.5x+10
asked by Anonymous 
Math
Divide Rs 5000 in the ratio 2:3:5
asked by Hannah 
Algebra
I don't know how to solve this at all. You work every Sunday in the yard from 8:00 A.M. To 11:30 A.M. Draw a diagram that shows the rotation completed by the hour hand of a clock during this time. Find the measure of the angle generated by the hour hand in
asked by Stephanie 
algebra
I have a rebus puzzle it says THRU in bold print and AND in regular print THRU AND PLEASE HELP! !
asked by Tammy 
Math
Adding and subtracting rational expressions. 3x/x^2+x12  x/x^216
asked by Meg 
Physics
One positive aspect of the potential use of methane hydrate as a fuel is that A.it exists in a pure form ready for use B.there is more of it than there is coal, oil, and natural gas C.it use will never contribute to global warming D.it is easy to mine
asked by Destiny 
Chemistry
When are more products of a reaction available initially than at equilibrium? A. K = 0 B. Q < K C. Q = K D. Q > K
asked by Laura 
Algebra
Mandy has to pay for her gas when she goes out with friends. She receives an allowance of $25 per week. Mandy fills her 16 gallon car up twice a month with gas currently costing $2.11 per gallon. After filling her car up twice a month, how much does Mandy
asked by Anonymous 
Physics (Mechanics)
A bat makes contact with a ball 0.8 meters above the ground. The ball then travels with a speed of 22 m/s, moving up. How high does it go?
asked by Andrew 
English
1. Boys are better at math than girls. 2. He is the best at math of all the students in his class. (Are both grammatical?)
asked by rfvv 
College Algebra
Create a piecewise function of the following scenario where Upper D leftparenthesis t rightparenthesis is the total distance walked (in miles) as a function of time t (in minutes): “You begin a walk from your home at a fast pace of 3 miles per hour for
asked by megan 
calculus
A container of hot liquid is placed in a freezer that is kept at a constant temperature of 10°F. The initial temperature of the liquid is 160°F. After 5 minutes, the liquid's temperature is 60°F. How much longer will it take for its temperature to
asked by Sarah 
Math question urgent
Mrs. Hart, at age 65, can expect to live for 25 years. If she can invest at 8% per annum compounded monthly, how much does she need now to guarantee herself $300 every month for the next 25 years? Present Value = 900(1  1.0041666..)^300)/.0041666... =
asked by Karen 
Maths Exponents
(1) 11×10^5 .Express it in scientific notation. (2)The distance between sun☉ and earth🌎 is (1.496×10^11)m and the distance between earth 🌎 and moon 🌙 is (3.84×10^8)m.During solar eclipse moon comes in between earth and sun.At that time what
asked by Vivek 
Chemistry
A solution has [OH] = 3.5 × 106. Based on that, what must be true about this solution? A. It is an acidic solution. B. It is a strong base. C. It is a strong acid. D. It is a basic solution.
asked by Laura 
Science Chemistry
A saturated solution of kcl is prepared at 25degree celsius. What would happen if temperature is cooled to 10degree celcius?
asked by Jim 
English
1. She was listening to the radio, and she was writing a letter. 2. She listened to the radio, and she was writing a letter. (Are both ok? Which one is the better of the two?) 11. While she was listening to the radio, she was writing a letter. 21. While
asked by rfvv 
Maths
A teacher has 16 boxes of sweets. Each box contains 25 sweets. The teacher shares as many sweets as possible equally among 23 pupils i) How many sweets does each pupil receive? ii) How many sweets are left over ?
asked by Anonymous 
Physics
An automobile accelerates 1.77 m/s2 over 6.00 s to reach freeway speed at the end of the entrance ramp. If the car's final velocity is 24.44 m/s, what is it's initial speed when it began accelerating. the answer i got was 35.06 m/s (35.1 m/s when doing sig
asked by John 
miss reiny correctdone
find the nth term of the series 1,3,6,11,19,31,48.... Hence duduce a formula for calculating the sum of the series plz help me show working
asked by dam 
Chemistry
assume that a drop has a volume of o.o5 ml. if a titration requires 30.00 ml for completion, what % error will each extra drop over 30 ml cause? is it 30.0530 divided by 30 then times 100 which is equal to 0.17 %
asked by Renae 
Physics
Q.A ballon is asending at the rate of 5m/s at height of 98m above the ground, when a packet is dropped from the ballon. After how much time and with what velocity it will reach the ground.
asked by Me 
chemistry
calculate the number of moles and mass of methane (ch4) required to produce 11 kg of carbondoxide(co2) when combusted ?
asked by anu 
English
1. We have talked about the street foods in the four cities. Which street food do you like most among the street foods in the four cities?  I like fruit sticks the most because they are delicious and nutritious. (Is the question or the answer grammatical?
asked by rfvv 
Business maths
a dealer makes a profit of 25% when he sells a shirt at a discount of 30%. if the profit is 91, find the marked price of this shirt.
asked by Mina 
Physics
You take 4 measurements of the mass of a ball: 2.96 kg, 3.32 kg, 3.31 kg, 3.17 kg. What is the uncertainty of the average mass to 95% confidence? CL=95% N=4 CC=1.84
asked by Gabriel 
algebra
If the value of 10 ounces of gold is d dollars and an ounce of gold is equivalent to s ounces of silver, what is the value, in dollars, of 3 ounces of silver.
asked by wing 
Maths
Solve the problem  How many three digit numbers do not contain a five? Show evidence of solving the problem in a systematic way.
asked by Jo 
math
in a grain bin 90' in diameter 130'tall how many bushel of grain at 1.2445 cubic feet per bushel will the bin hold?
asked by Fred 
math
Share $150 among John Mary and Susan such that the two girls receive twice as much as John . How much does John receive
asked by stephon 
physics
While rearranging a dorm room, a student does 307 J of work in moving a desk 1.1 m. What was the magnitude of the applied horizontal force?
asked by kim 
American Gov.
I'm having trouble finding the answers to these questions (the answers should be in order from the article, it's just not clarifiable. Also, I put ****** .... ***** to show where the answers may be that I think is right, but I'm not sure)... 2. How does
asked by Dina 
Math
Please help me with this question. 4x^23x3 = 0 has roots p, q. Find all quadratic equations with roots p^3 and q^3. I think I do know how to do it but no matter how many times I try, I could never get the right answer. Please help me!!
asked by Barbra 
Advanced Functions 12
A student writes, "The inverse of y = √(x+2) is y = x^2  2." Why is this statement false? I don't understand how it isnt the inverse. The textbook says that changing the domain will make it the inverse? Wouldn't that only make it a function?
asked by y=1/0 
English
Find the answer that best describes the action or situation. The likely result of a surfeit of skilled workers. 1. prices go up 2. wages go down 3. jobs stay the same 4. profits go down Answer: prices go up
asked by Kimmy 
Physics
A ball is rolled up a ramp with an initial velocity of +10m/s. It arrives at the bottom of the ramp with the same speed 5 seconds later. What is the ball acceleration for the whole trip? What is the velocity after 2 seconds? After 3 seconds?
asked by Koko 
English
What type of pronoun is used in the following Sentence Under the most splendid house in the city is still to be found the cellar where they store their roots as of old? a personal b reflexive c indefinaite d interrogative my answer is a
asked by Steve 
math
A scuba diver dove from the surface of the ocean to an elevation of −99 9 10 feet at a rate of −30.7 feet per minute. After spending 14 minutes at that elevation, the diver ascended to an elevation of −8 9 10 feet. The total time for the dive so far
asked by john 
SS
How is unity and division a theme in Canadian history? How did distinct English and French populations form in Canada? What is the relationship between natural resources and European settlement? How is conflict and compromise a theme in Canadian history?
asked by Leila 
algebra
The width of a rectangle is 8 cm less than its length. The perimeter of the rectangle is 52 cm. What is the width of the rectangle? 7 cm 9 cm 15 cm 17 cm
asked by Christena 
Science
A saturated solution of kcl is prepared at 25degree celsius. What would happen if temperature is cooled to 10degree celcius? ????????
asked by Anonymous 
Physics
A bean jumps off a table and when it reaches have its height it has a speed of 10 m/s, how high does it rise?
asked by Jack 
Math
Adding and subtracting rational expressions. 1/6m + 2/5m +4/m then simplify
asked by Meg 
arithemetic progression too hard help plz
find the nth term of the series 1,3,6,11,31,48.... Hence duduce a formula for calculating the sum of the series plz help me show working
asked by dam 
math
Hoe to simplify this Log72/75log50/48+2log25/24
asked by Asha 
Math
I really need help with a quadratic question. So the problem is kx^2+[k+2]x3=0 has roots which are real and positive. Find the possible values that k may have. The answer is 8+ √60
asked by Barbra 
science
calculate the volume oqupaied by 20gram H2 at NTP
asked by abhishek 
algebra
Solve for p. 3+1+p=123+1+p=12 A. p = 8 or p=−10p=−10 B. p = 14 or p=−16p=−16 C. p = 10 or p=−10p=−10 D. p = 8 or p=−8
asked by Christena 
Maths
Divide 8 into 2 parts such that 7 times the square of the smaller part exceeds twoce the square of the other part by 13
asked by Lue 
physics
What is the kinetic energy of a 15 kg dog that is running at a speed of 8.7 m/s (about 19 mi/h)?
asked by kim 
math
each letter in the following problems represents a different number 0 + 9. letters remain constant witin the problems. can you figue out what number each letter represes? he + me = we
asked by holly 
Trigonometry
How do I solve these linear system problems? I solved it many times but it never seems right. 1. x^2 + y^2 =9 2x  y = 6 2.x^2  x y =0 x  y = 3 3. 2x^2  x  y = 1 3x + y = 5
asked by Jamie 
Maths
If (x+3) varies directly as you and x= 3 when y= 12 Find the ; i)relationship between x and y ii) value of x when you = 8
asked by Anonymous 
Math
Melissa collected 3 kinds of autumn leaves when she was walking today Elm,maple, and oak. She has 2 times as many maple leaves as elm leaves. Altogether, she has 32 leaves. How many of each kind does she have?
asked by Rebecca 
maths need help
the diameter of a circular grassfield is 40m. There is a road of width 1 m starting from 1 m away of its end point. Calculate the expenditure to grass the road at a rate of 26 paise per m^2. Plz help with solution
asked by marvin 
maths
l3/m3+m3/n3+n3/l33
asked by idhaya 
science
What are the effects of pollution in plants?
asked by afikile mputane 
Physics
A bean jumps vertically off of a table. It has a speed of 10 m/s when it reaches half of its maximum height. How high does it rise?
asked by Jack 
Maths
An aquarium is 30% full. When 20 gallons of water are added, the aquarium is fourfifth full. How much water does the aquarium hold?
asked by Jiaqi ( Jiachi ) 
Algebra
Suppose you but 5/8 of a hard of fabric for 2.50. What is the price of the fabric per hard?
asked by Manisha 
math
If 6 is added to the numerator and denominator of the fraction 7/9,what will be the value increase or decrease ?by how much ?i need solution answer
asked by sheirra 
Geography
Why do we get to see only side moon🌕from the earth🌎?
asked by Sakshi s. 
Geography
How many age of the sun☉?
asked by Sakshi s. 
Math
Make the smallest number possible , you may include a decimal point 1,7,0,3,8
asked by Anonymous 
Science
How many grams of CO2 is produced from 855 grams of C6H12O6 in the process of cell respiration?
asked by Arvs 
Maths
Solve the problem  How many three digit numbers do not contain a five? Show evidence of solving the problem in a systematic way.
asked by Jo 
physics
You are thinking about taking gymnastics, so you go to the facility and get an idea of what to expect by looking out from the viewing room. The viewing room window is 4.40 m above the trampoline directly below, so it is perfect for viewing the the
asked by p 
Physics
Physics teacher has this question for hw. 38. An electric powered model car starts from rest and moves in a straightline for 4.0 s. The relationship between time and position is x^2+ 2 t^2 = 32, t in seconds and x in cm. Find the velocity at t= 1 s & t =
asked by Eric 
Chemistry
2.36 x 10^4 s= ? days
asked by Anonymous 
Chemistry
Convert a density of 13.6g/ml to lb/ft^3
asked by Anonymous 
DAM363
if the mean of 5,6,z,15,is 16,find the value of z
asked by hart 
college math
The difference between sixsix times a number and sevenseven more than threethree times the number.
asked by Anonymous 
Algebra
write an equation of a line through (5,2) that is perpendicular to the xaxis
asked by Toney 
AP physics
Can two vectors, of unequal magnitude, add up to give the zero vector? Can three unequal vectors? Under what condition?
asked by Susana 
History
Who became the ruler of Rome after Julius Caesar died?
asked by Anonymous 
Chemistry
Which of the following has no effect on the rate ofa reaction? a)degree of branching or size of reactant molecules b)value of Heat of reaction c)presence of a catalyst d)temperature of the reactants e) concentrations of the reactants
asked by Mike