Questions Asked on
January 5, 2017

Physics
A 70.0kg astronaut pushes to the left on a spacecraft with a force in "gravityfree" space. The spacecraft has a total mass of 1.0 × 104 kg. During the push, the astronaut accelerates to the right with an acceleration of 0.36 m/s2. Determine the
asked by Kyle 
digital electronics
Consider the following structural description. Check which blocks are digital systems.
asked by nithya 
Calculus
Water is drained out of tank, shaped as an inverted right circular cone that has a radius of 6cm and a height of 12cm, at the rate of 3 cm3/min. At what rate is the depth of the water changing at the instant when the water in the tank is 9 cm deep? Give an
asked by Ke$ha 
digital electronics
Following the previous question, indicate which of the following signals are digital signals.
asked by nithya 
Algebra
$6300 is invested, part of it at 11% and part of it at 8%. For a certain year, the total yield is $nbsp 597.00 . How much was invested at each rate? x+y=6300(11) 0.11x+ 0.08y=597(100) ............................ 11x+8y=59700
asked by lobna 
English
After which type of assessment will you be asked to set goals for yourself?
asked by Andrea 
pre calc
Formulate but do not solve the problem. Kelly Fisher invested a total of $20,000 in two municipal bonds that have yields of 8% and 9% interest per year, respectively. If the interest Kelly receives from the bonds in a year is $1680, how much did she invest
asked by Melissa 
computer applications (commerce)
draw a flow chart to print odd numbers below 20 in descending order
asked by draw a flow chart 
Math Calc
Find the xcoordinates of any relative extrema and inflection point(s) for the function f(x) = 3x(1/3) + 6x(4/3). You must justify your answer using an analysis of f '(x) and f "(x) I got 1/8 for a minimum point and 1/4 for inflection is this right? Do I
asked by Ke$ha 
geometry
In a circle centered at point O, the ratio of the area of sector AOB to the area of the circle is . What is the approximate measure, in radians, of the central angle corresponding to ? Round the answer to two decimal places
asked by Mallory 
American Government
Please check my answers. 1. Which of the following is a reason explaining why prison populations have increased dramatically? A. Many prisons have close down making the ones that remain overcrowded. B. Many new prisons have been built inspiring states to
asked by M 
Math
I'm in seventh grade and working on this math test based on lines and planes. I'm stuck on this one question and I don't understand what the question is asking me to do. The question is: Identify a segment skew to GH. I am not asking for the answer, I am
asked by DustyRose<3 
math
A diesel engine's piston compresses 16 cm3 of fuelair mixture into 1 cm3. The pressure changes from 1 atmosphere to 48 atmospheres. If the initial temperature of the gas was 305 K, what was the final temperature?
asked by okay 
math
Rewrite the set Q by listing its elements. Make sure to use the appropriate set notation. Q={xx is an integer and 4
asked by Brenda 
math
Construct a right triangle whose base is 12cm and sum of its hypotenuse and other side is 18cm
asked by lakshay 
math
Jaya had three ribbon with her. The length of the green ribbon was 12 metres 50 cm. The red ribbon was 3/4 of the lengh of the green ribbon. The yellow ribbon was 5/2 times the red ribbon.what is the length of the yellow ribbon? Give me the solution in
asked by Tehzeeb 
english
Read this excerpt from Alexander Pope's The Rape of Lock "No common weapons in their hands are found/ Like gods they fight l, nor dead a mortal wound.../ See, fierce Belinda on the Baron flies/ With more than usual lightning in her eyes..." This account of
asked by lyla 
Maths
if seven workers dig a piece of ground in 10 days.How long will 5 workers take.
asked by Harry 
physics
In a quartermile drag race, two cars start simultaneously from rest, and each accelerates at a constant rate until it either reaches its maximum speed or crosses the finish line. Car A has an acceleration of 11.0 m/s2 and a maximum speed of 110 m/s. Car B
asked by Thomas 
Math
Your lunch bill is $19.75. A 5% sales tax will be added, and you want to give a tip of about 20% of $19.75. Estimate how much you will pay for lunch.
asked by ... 
Art
1. Which of the following is present in this painting? (Adoration of the Shepherds) warm colors movement value asymmetrical balance 2. How did the artist create interesting textures in this image? by experimenting with various brushstrokes by using only
asked by Lana Byrne 
Science
What is the function of eustachian tube?
asked by Cccccc 
math
Two trucks are traveling in the same direction, one going twice as fast as the other. At the end of 6 hours they are 204 miles apart. How fast is each travelling? Can you guys show me the answer i got 68 and 146 but its wrong
asked by allie 
Math
The sum of two numbers is 94.6. If one number is 19 times the other, what are the two numbers? Please explain how to solve. Thanks
asked by Caden 
physics
A car is traveling up a hill that is inclined at an angle θ above the horizontal. Determine the ratio of the magnitude of the normal force to the weight of the car when (a) θ = 17o and (b) θ = 30o.
asked by Kyle 
Math
There are 12 girls and 18 boys in a class. What is the largest number of groups they can be split into and have the same number of boys and girls on each team?
asked by Tonya 
Chemistry
Given the reaction below, and your knowledge of the "Law of Conservation of Mass", what is the missing product from the chemical reaction? How do you know? Zn(s) + HCl(aq) > ___ + ZnCl2(aq)
asked by Delaney 
social studies
acording to this quote wich statement best sumierizes the souths agenda
asked by anonumous 
Math
Write an inequality for the following statement 9 is greater than b
asked by Kelley 
math
Determine whether the system of linear equations has one and only one solution, infinitely many solutions, or no solution. 3x − y = −3 6x − 2y = 8 a) one and only one solution b) infinitely many solutions c) no solution can you please show the work
asked by Melissa 
Math Calc
given the relationship 2x^2 + y^3 =10, with y > 0 and dy/dt = 3 units/min., find the value of dx/dt at the instant x = 1 unit. SUPER CONFUSED DONT GET THE EQUATION!!!!!!!
asked by Ke$ha 
Math
A painter mixed 56 quarts of blue and yellow paint using a ratio of 3 blue to 11 yellow how many quarts of blue paint were used
asked by Leland 
Math Calc
Given f'(x)=(x4)(62x) find the xcoordinate for the relative minimum of the graph f(x). OPTIONS: 8 6 3 None of these I think it is 3, but I am also conflicted to say none of these because I graphed the function and ant see a minimum.
asked by Ke$ha 
MATH
SIMPLIFY:p^2+pq6q^2/p^23pq+2q^2
asked by EMMA 
math
Consider a box that contains 14 red balls,12 blue balls and 9 yellow balls.A ball is drawn at random and the color is noted and then put back inside the box.Then,another ball is drawn at random.Find the probability? a.both are blue b.both balls are yellow
asked by Anonymous 
Math
A rectangle made of square tiles measures 8 tiles wide and 10 tiles long. What is the length in tiles of a similar rectangle 12 tiles wide?
asked by Annika 
math
Only two forces act on an object (mass=3.19 kg), as in the drawing. Find (a) the magnitude and (b) the direction (relative to the x axis) of the acceleration of the object.
asked by Thomas 
physics
Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 84 kg, and the mass of the woman is 49 kg. The woman pushes on the man with a force of 58 N due east. Determine the
asked by Thomas 
calculus
how do i get the answer for this limit limit x to 0 (4^2x1) without using direct substitution my work so far is limit x to 0= (4^2x1) = (4^2x/4^1) is it correct?
asked by Anonymous 
physics
When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and, thus, slows him down. Suppose the weight of the sky diver is 869 N and the drag force has a magnitude of 1096 N.
asked by Thomas 
Math
use the digits 6 7 8 and 9 to make a problem with the largest product possible
asked by Christina 
Grade 6, percentage
A survey conducted in a school showed that 65% of the pupils walked to school.the remaining number of pupils took buses to school the ratio of the number of pupils who took school buses to those who took public buses was 4:3.there were 360 more pupils who
asked by Peachie 
Career
With level 3 in English first additional language do I qualify to study Journalism at universities.
asked by Le Tough 
Grade 6, percentage
Last month,sam spent 12% of a sum of money on transport and 25% of the remainder on food.of the rest,he gave 1320% to his parents and then bought a bicycle at a sale.if the usual price of the bicycle was 825$ and the discount was 20%,what was the sum of
asked by Peachie 
chemistry
Calculatr morality of a solution containing 2.5g of K2CO3 in 1liter of solution (density of solution is 0.85 gram/ml
asked by bilal 
Physics
:( physics:(
asked by :( 
Grade 6, percentage
Last month,sam spent 12% of a sum of money on transport and 25% of the remainder on food.of the rest,he gave $1320 to his parents and then bought a bicycle at a sale.if the usual price of the bicycle was $825 and the discount was 20%,what was the sum of
asked by Peachie 
Chemistry
Mean titre of 0.2M sodium thiosulphate = 32.2 ml 1) Calculate number of moles of S2O32 which react in the titration 2)Calculate how many moles of I2 react with this amount of S2O3 3)How many Cu2+ ions are needed to liberate this amount of I2? Use this
asked by Chirag 
Geography
What were the two levels of government in New York in the late 1760
asked by Javon 
math
Clay earned $2,600 last he paid $234 for entertainment. What percent of his earnings did clay pay in entertainment expenses?
asked by Jan 
seven lakes junior high school Math
A figure is reflected from Quadrant II to Quadrant III. Is it a xaxis or a yaxis.
asked by Ephraim Ehondor 
math
find the median, mode and range for 28, 61,19,43,89,126.
asked by fardowsa 
Math
In a school of 350 student there are 40 more girls than boys , how many girls are there? And how many boys are there?
asked by Ardenique 
Math
If it is 4:00 p.m. then what time is 17 hours ago? Is it 11:00 pm?
asked by Vivian 
Math
One of the largest pumpkins ever grown weighted 4/5 ton. About how much did the pumpkin weight.
asked by Anonymous 
Math
One of the largest pumpkins ever grown weighted 4/5 ton. About how much did the pumpkin weight.
asked by Anonymous 
Calculus
How do you find the total distance a particle travels on a given interval on a graph and net distance?
asked by John 
Math
A trail mix contains peanuts, chocolate pieces, and raisins. There are twice as many raisins as chocolate pieces. There are 20 less peanuts than raisins. In total, the mix contains 200 trail mix pieces. Write an equation in terms of r (the number of
asked by Jamie 
pre calc
Formulate a system of equations for the situation below and solve. Michael Perez deposited a total of $3000 with two savings institutions. Bank A pays interest at the rate of 6%/year, whereas Bank B pays interest at the rate of 7%/year. If Michael earned a
asked by Melissa 
Math
Hi I am after some help starting this question. A local hardware store sells three types of boxes; small, medium and large. The cost of the boxes are; small $10, medium $20 and large $30. In the previous week a total of 1200 boxes were sold resulting in
asked by G 
American Government
The trial of a person charged with a federal crime, or a suit involving the infringement of a patent or a copyright, or one involving any other matter arising out of an act of congress is....within the...jurisdiction of the federal courts. A. Concurrent
asked by Abby 
math
51 is the product of Rhonda's age and 3.
asked by Anonymous 
Math
I am a polygon. The sum of my angles equals 180. I have two sidesthat are congruent. What am I?
asked by Anonymous 
physics
a ball is thrown Vatican upward with a velocity of 20.0m/s. a) what is the retardation of the ball? b) what distance does it travel before its comes to rest movementally at the top of its motion? c) what is the time taken for the ball to reach its highest
asked by comfort 
math check my answer ?
What is the range of f(x)=−3x−1? the set of real numbers less than 0 the set of real numbers greater than 0 the set of real numbers greater than −1 the set of real numbers less than −1
asked by Vicky 
Science
An object is projected at an angle of elevation of 45 degree with a velocity of 100m/s. Calculate it's range
asked by Prithvi 
math
A person in a kayak starts paddling, and it accelerates from 0 to 0.614 m/s in a distance of 0.372 m. If the combined mass of the person and the kayak is 61.0 kg, what is the magnitude of the net force acting on the kayak?
asked by Thomas 
Math
I dare someone to do 368.7 divided by 18. Use compatible numbers! I❤U guys!
asked by Vivica 
Math
The baseball team won 6 games more than they lost if the team won 18 games about what percent of the games did they lose
asked by Chelsea 
math
Every night when Isabella came home from work she put any change she had in her pockets into a jar. One day she wanted to know how much change she had in her jar. She noticed that she had two more nickels than twice the number of dimes, and eight fewer
asked by bobby 
Math
If you use $63.00 divided by nine is seven dollars greater than or less than the exact answer explain
asked by Mathew spisla 
Math
If a boy run at the rate of 10km/h then whow long will he take to cover a distance of 450 m
asked by Anonymous 
History
How did spices change life in europe?
asked by #HOMEWORKPPL 
math
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 7.9kg projectile from rest to a speed of 2.8 × 103 m/s. The net force accelerating the projectile is 6.7
asked by Thomas 
calculus
f'(2) if F(x)=g(h(x))
asked by Anonymous 
Calculus
Find f'(1) if f(x)=(h(x))^3 Chart: x= 3,2,1,0,1,2,3 g(x)= 0,1,3,2,0,2,3 h(x)= 1,2,0,3,1,2,0 g'(x)= 1,2,1,2,2,1,0 h'(x)= 0,3,2,3,2,0,1
asked by angie 
calculus
f'(2) if f(x)= g(h(x))^3 Chart x= 3,2,1,0,1,2,3 g(x)= 0,1,3,2,0,2,3 h(x)= 1,2,0,3,1,2,0 g'(x)= 1,2,1,2,2,1,0 h'(x)= 0,3,2,3,2,0,1
asked by angie 
math
The angle of elevation of the top of a building from a point 10m away in level ground is 30.calculate the height of the building
asked by Anonymous 
math
y=1/2x + 3/4 6x+8y=10 Only looking for X Step's in what i did 1.~6x+8(1/2x + 3/4)=10 2.6x+ 8/2x + 24/4 =10 3.(2)(6x+ 8/2x + 24/4 =10)(2) 4.12x+8x+ 24/4=20 5.20x+6=20 6. 20x=14 7. x= 14/20 I don't know what i did wrong. Please help me and if you don't
asked by edgard 
calculus
Use the definition of derivative: lim(as h approaches 0) (f(x+h)f(x)/(h) to find f(x)=(1)/(2x).
asked by angie 
calculus
use implicit differentiation to find dy/dx if 5xy+x^2y=10
asked by angie 
Algebra2
Which expression gives the solution 5+2x^2=6x?
asked by Steve 
College Physics
Two forces and are applied to an object whose mass is 5.75 kg. The larger force is . When both forces point due east, the object's acceleration has a magnitude of 0.979 m/s2. However, when points due east and points due west, the acceleration is 0.639
asked by Thomas 
calculus
find the equation of the tangent line to the graph of x^2+2y^2+3x=2 at the points with xcoordinates x=4
asked by angie 
math
In the figure, ABCD is aparallelogram in which BCis produced to E such thatCE = BC. AE intersects CDat F. Show that ar (∆BDF)= 14ar (ABCD).
asked by rosy 
MATH
How do I find 30% of 50?
asked by Kim 
Math
Write a real world problem for the equation 3+x=8
asked by Jerry 
science
writing blanced decomposition formula of Ammonium Carbonate
asked by Hashini 
Chemistry
How many moles Of (Al2SO4)3 can be prepared from 2.5ml Of H2SO4
asked by Dilna 
chemistry
writing blanced decomposition formula of Ammonium Carbonate
asked by Hashini 
History
What union is it ? This union accepted skilled as well as unskilled workers, blacks as well as whites, and men as well as women. As a result, its membership grew quite rapidly.
asked by Jenna 
Math
I need help solving equation it says to round to the neatest hundredth if needed the problem is 9 6(15a)=26
asked by Nick 
physics
An ostrich with a mass of 139 kg is running to the right with a velocity of 17 m/s. Find the momentum of the ostrich. Answer in units of kg · m/s.
asked by iz 
Science
Explain how would you can locate the pole star with the help of Ursa Major.
asked by Brajesh 
Science
Why does the increased level of nutrients in the water affect the survival of aquatic organisms?
asked by Brajesh 
maths
i have £12 per week pocket money. I spend £3.50 on bus fare, what is this as a fraction of £12 ?
asked by noidea 
Science
What is Ganga action plan?when it was launched.
asked by Brajesh 
Science
Who discovered an antibiotic called 'pencillin' and when?
asked by Brajesh 
math
The study on calories burned per minute of walking, depending on weight, has a regression equation of ŷ = 1.0 + .06x. The predicted number of calories burned in a minute of walking for a 180 pound person is_____
asked by rrb 
dramatic arts
results for dramatic arts
asked by zandile ntombela 
Algebra
If the father's age in 3 years will be twice the son's age 4 years ago, and if the sum of their ages now is 106, how old is the father now?
asked by BLAH 
Vectors  Maths
Given that a = i  j + 2k, b = i + 2j + mk and c = 3i + nj + k, are linearly dependent. Express m in terms of n in simplest fraction form. Answer: m = (2n9)/(n+3) Can someone pls show their working and explanation? Thx a lot ~C~
asked by C 
Vectors  Maths [Second Question]
Let a = i  j + 2k and b = i + 2j  4k a) Find 2a  3b This one was easy. It should be i  8j + 16k b) Hence find a value of m such that a, b and c are linearly dependent, where c = mi + 6j  12k. I struggled to solve this one. Please help me by showing
asked by C 
Dynamics of rigid bodies
a stone is thrown upward with a velocity of 40m/s.Determine the time of the stone when it is at a height of 10m and is moving downwards.
asked by Angel 
Science
Define love
asked by Sunny 
pre calc
Find the point of intersection of the pair of straight lines. y = −5x − 4 −y = 6x + 3
asked by Laura 
Pre calc
Find the point of intersection of the pair of straight lines. 2x + 4y = 19 −3x + 3y = 3
asked by Laura 
English
The movie called Curcible reveals the church and court both state that all liars will be damned, but only can tell who the real sinners are. What does that mean ? What are they trying to say ?
asked by Lucy 
math
Determine whether the system of linear equations has one and only one solution, infinitely many solutions, or no solution. 5/4x − 2/3y = 8 1/4x + 5/3y = 7 Find the solution, if one exists.
asked by Melissa 
LA
PLEASE check my answer this is my last test and i d not want to mess up PLEASE 1. Which sentence contains an opinion? (1 point) Thomas Jefferson supported American independence from Great Britain. He was a lawyer in his home state of Virginia. Jefferson
asked by Michael 
math
Shawna looked at a study on mortality rates for men and women aged 65 to 74. When the researchers looked at calories of sweeteners consumed per day by women as the explanatory variable, they got a regression equation of ŷ =  40.857 + 0.704x with r =
asked by rrd 
math
What is the missing number 3, 5, 8, ?, 18, 24
asked by Carol 
biology
Convert these dates to BP dates (using 1950 as "the present.") Wood fragments from the floor of a palace in Syria  SyroHittite period. Date: 675 ± 50 years BCE
asked by bailey 
physics
Can someone please help me? I am having a really hard time with physics. This is not a test question. It is a practice problem from a review website I am supposed to use, but I am having a really hard time. Can someone at least help me to begin setting up
asked by anonymous 
percentages
This table is used to calculate annual commissions and salaries for car salespeople. What would the total yearly earnings of a sales assistant be who has $90,000 in sales? Commission & Salaries Sales AssistantBase Salary$10,000 Sales PersonBase
asked by esther 
GRE Question
the average of 937, 762 and 941 is what percent of their sum?
asked by Marco 
Math Calc
Which of the following statements is/are true 1. If f'(c)=0 then f has a local maximum of minimum at x=c 2. If f is continuous on [a,b] and differentiable on (a,b) and f'(x)=0 on (a,b) then f is constant on [a,b] 3.The Mean Value theorem can be applied to
asked by Ke$ha 
Math
A map uses a scale of 3/4 cm: 10 miles. If 2 cities are 4 cm apart, what is the actual distance?
asked by Ava 
science
Describe how you would investigate effect of pH on enzyme rate. draw labelled diagram?
asked by abdulaziz 
physics (mechanics)
the potential energy of a system of two particle separated by a distance r is given by u(r) = A/r , where A is constant . find the radial force Fr that each particle exerts on the other
asked by asnke 
Maths
A table top measures 2m by 1m50cm. What is its area in square metres
asked by Parv 
Maths
I posted yesterday but feel I confused the issue with an incorrect calculation of an angle, I have just realised my mistake!. I also think I should come clean about my circumstances. I am a mature (very) student, in fact a retired commercial fisherman and
asked by Mike 
Science
The act of looking at the two or more thing are alike or different.
asked by Bocar 
Math
What is the missing number 3, 5, 8, ?, 18, 24 Please write down the pattern, how you got the answer
asked by Carol 
maths
the outer curved surface area of a pipe with length 18cm and diameter 10mm is what cm
asked by mini 
thermodynamics
the specific volume of water vapor at 150 kPa and 120 degree celsius is 1.188 cubic meter/kg. determine the molarspecific volume and the density of the water vapor.
asked by joan 
Math
A group orders three large pizzas. Each slice represents 1/12 of the entire pizza. The group eats 3/4 of the pizza. How many slices of pizza are left? Justify your answer
asked by Papa 
Math
Girlie can make five rag dolls from six discarded socks .Write four ratios equal to this.
asked by Charir 
school md english school
if sec theta =13/12 then find the value of sin theta and cot theta
asked by jamima akhter 
History
Your answer 8.5 (C) 1. The Federalists and the DemocraticRepublicans emerged as separate political parties partly as a result of disagreement over — * 5 points how the nation should develop economically whether to enforce the Monroe Doctrine how the
asked by ...vmju788i dumb guy/.///// 
ed tech
which of the following terms describes a ow collected about one specific person or item? 1. record 2. field 3. entry 4. column
asked by techology 
Math
Julie has 8 more than three times as many quarters as dimes. The total value of the coins is $12.20. How many of each kind of coin does she have?
asked by Ryan 
Math
Currently, you have $80 and your sister has $145. You decide to save $6 of your allowance each week, while your sister decides to spend her whole allowance plus $7 each week. How long will it be before you have as much money as your sister?
asked by Jared 
physics
An electron is a subatomic particle (m = 9.11 x 1031 kg) that is subject to electric forces. An electron moving in the +x direction accelerates from an initial velocity of +7.62 x 105 m/s to a final velocity of 2.56 x 106 m/s while traveling a distance of
asked by Thomas 
value
an airplane is flying to east 200k m/h which is a velocity relative to the air,while a 100km/h wind blows towards the northeast.what is its resultant velocity?we need soluion and answer for this guestion
asked by value 
further maths
given that p=i+j2k and q=2ij+2k.find two vectors m and n satisfying that m is perpendicular to p,n is parallel to p and m+n=q
asked by Samuel 
AP Chemistry
Dinitrogen pentoxide (N2O5) decomposes in chloroform as a solvent to yield NO2 and O2. The decomposition is first order with a rate constant at 45 degrees Celsius of 1.0*10^5 s^1.Calculate the partial pressure of O2 produced from 1.00 Liter of 0.600 M
asked by Mckinley 
Math
If frank earned in a simple interest for oneyear on an investment of 9000 .what annual rate of interest was paid
asked by Anonymous