Questions Asked on
September 9, 2015

Mmanotshe moduane high school
History,Maths Literacy,Geography &Life Science
asked by Silence 
algebra
are 0.4 and 0.4... between 0.4 and 0.3... ?
asked by kiki 
chemistry
Calculate the freezing point of 0.5 g of biphenyl in 20.0 mL of cyclohexane. Cyclohexane Fp = 6.5 degrees C Kf 20.01
asked by Brit 
algebra
Maria shares a house with 4 others. She pays $500 rent per month plus her utilities. If the utilities cost a total of x dollars, how much more money,M, does maria owe Write an equation for how much maria owes.
asked by J 
Algebra
The water in a pond is 8 feet deep but the water level is dropping a rate of 1/2 inch per week. Write a equation for the depth in inches,d, of the pond after w weeks...
asked by Confuse 
math
what is the order of these numbers from least to greatest 7/5 1 5/11 1.45 1 91/200
asked by lily pad 
Math
A chemist wants to create a solution that is 24% acid. How many liters of a 40% acid solution must be added to 50 liters of an 18% acid solution to obtain this 24% acid mixture?
asked by Zack 
Math
A chemist wants to create a solution that is 24% acid. How many liters of 40% acid solution must be added to 50 liters of an 18% acid solution to obtain this 24% acid mixture? Please help thank you
asked by Lauren 
physics
A cannon is mounted on a tower above a wide, level field. The barrel of the cannon is 20 m above the ground below. A cannonball is fired horizontally with an initial speed of 900 m/s. Assuming air resistance can be neglected, approximately how long will
asked by jordan 
statistics
I have this question which is stumping me and my lecture is little help. For part we have to find the standard error and I have that, well I think I do, and part b and c depend on us getting part a right. Can someone please help me out. The sign on the
asked by Luci 
Nutrition
Write equations to show how 2methyl1pentene could be converted to 2hydroxy2methylpentane 1hydroxy2methylpentane
asked by Kate 
math
The sum of ages of Seth and charles is 100. if Charles is twice as old as Seth was when charles was seths age, find their ages
asked by pierce 
business mathematics
a prominent local politician for lusaka central constituency,and as his campaign manager, you need to decide how to promote the candidate. there are three ways you can you can do so: you can send glossy, fullcolor flyers to registered voters of the
asked by Gibbons 
math
Find f(5) when f(x)= x2+7 ______ x3+5x
asked by tia 
Geometry
AC=5x8 and CD=163x
asked by Anonymous 
chemistry
Determine the volume of 200.00g of carbon tetrachloride, for which specific gravity =1.60
asked by ram 
Math word problem
Danika has yellow 10 buttons.She has 6 times as many black buttons. How many buttons does she have?
asked by Lovely 
maths
A ladder 6m long is placed against a vertical wall,its lower end is 2m away from the wall. How high up the wall does it reach?give your answer in one decimal place.
asked by Anonymous 
Physics
In a Thomson's e/m experiment , with an accelerating potential of 150V and a deflecting electric field of magnitude 6*10^6 N/C , the electrons travel in a straight line . i)At what fraction of the speed of light do the electrons move? ii)what magnitude of
asked by Prasanna 
Math word problem
Bob has 22 dimes in his piggy bank.He has 5 times as many pennies.How much money does Bob have all together? A)$3.30 B) $1.2 C)$3.5O D)$1.10
asked by Lovely 
Snethezekile High School
History,Economics,Tourism,Business Studies,Math Lits What course Can A grade 11 Learner Choose When Doing This Subjects?
asked by Fezeka Tembe 
English
Please, explain me what does it mean about this quote. “Our deepest fear is not that we are inadequate. Our deepest fear is that we are powerful beyond measure. It is our light, not our darkness that most frightens us. We ask ourselves, Who am I to be
asked by Jason 
maths
A mining company ha 10 000 m of fencing available.It wants to use a fencing to enclose a rectangular field. one side of the field is bordered by a river.If no fencing is placed on the side next to the river, What is the largest area that can be enclosed?
asked by Vala 
Math
Function f graphed at the right is linear. A. The xcoordinate, (1,0), tells us that f(1)= B. The ycoordinate, (0,3), tells us that f(0= C. Use the information from a and b (above) to determine which one is the graph of f. i. f(x)= 1/3x+3 ii. f(x)=
asked by Kiolani 
Science
How many parts listed make up a plant or animal cell nucleus?
asked by cindy 
Math 10
Express as sum or difference of logarithm log of x(3x5) to the base of 4
asked by Lea 
PHYSICS
A grinding wheel with a 28cm diameter spins at a rate of 2020 revolutions per minute. What is the linear speed of the rim of the wheel?
asked by blabla 
PHYSICS
what is the central acceleration of an automobile driving at 40 kph on a circular tracks having radius of 30m?
asked by blabla 
PHYSICS
A bicycle tire is 68 cm in diameter. what frequency does it have if it travels at 8m/ sec?
asked by blabla 
PHYSICS
A 0.4 kg toy tied on a string can be whirled in a horizontal circle of of 1.2 m radius at a maximum of 3 rev/s before the string breaks. what is the force needed to break the string?
asked by blabla 
PHYSICS
Calculate the centripetal force on a 2100 kg carrounding a curve of 175 m radius at a speed of 60 kph.
asked by blabla 
physics
Two students are on a balcony 21.4 m above the street. One student throws a ball ver tically downward at 15.6 m/s. At the same instant, the other student throws a ball verti cally upward at the same speed. The second ball just misses the balcony on the
asked by Heather 
math 4
every saturday, mother and claire go to the market. on each marketing day, they spend 3 hours including the travel time. what fraction of the day is used in marketing every saturday? express your answer in lowest term.
asked by juliana 
math urgent
In an election Ram and sham were two candidates. Ram got 54% of the votes cast and secured the majority of 250 votes. If none of the votes cast were invalid, find the number of vote cast?
asked by Rabinprakash 
Intermediate algebra
How to solve the formula (I=prt for t) for the specified variable
asked by Anonymous 
statistics
A study was conducted in which the teachers were asked to rate students for a particular trait on a ten point scale. With the help of data given below. Find out whether significant difference exist in the rating of the student by the teacher. A B C D E F G
asked by Anonymous 
statistics
A study was conducted in which the teachers were asked to rate students for a particular trait on a ten point scale. With the help of data given below. Find out whether significant difference exist in the rating of the student by the teacher. A B C D E F G
asked by Anonymous 
English 10
The direction of "At the Tourist Centre in Boston" can be described as a. emotionally charged b. colloquial and relying on slang c. informal and simple d. mostly figurative and abstract
asked by Jada 
Garcia
Find the slope of the tangent line at x=3 F(x)=2x+1 [2(3+h)+1]  [2(3)+1] ÷ h
asked by Vanessa 
physics
express the atmospheric pressure of 103360 pa in bar and milli bar
asked by ajay 
Physics
An object is traveling at a constant speed of 12.0 m/s when it slows to a stop. If it takes 10.0 m for the object to stop, what is the magnitude of its acceleration?
asked by Tyler 
Math
A rectangular courtyard is 57m 50 cm long and 22m broad. Determine the least possible number of square stones of the same size required to pave it
asked by Noor 
chemistry
how is silver separated from its soluble salt solution?
asked by raghib 
Math
Evaluate m over q + np2 for m = 24, n = 6, p = 9, and q = 8. 114 489 580 2,919 A
asked by XenaGonzalez 
Math
My math question is: 3 3 5 (2x2)  (106) . 4 My answer is 15/16 Am I correct
asked by Americal 
Tc Maths
Prove: TanA+2Tan2A+4Tan4A+8Cot8A=CotA
asked by Rabinprakash 
algebra
suppose 48 out of every 120 people like baseball. of the people who like baseball, 3 out of 5 play baseball. If you ask 500 people, how many would you expect to play baseball?
asked by Rachel 
gci ibadan
crude oil is contained in an iron cylindrical tank whose heogth is 6m and the diameter of the base is 5m. at 0 degree celcius , the level of crude oil is 20cm below the brim. At what temperature will the crude oil start to overflow from the tank? the
asked by mills 
Global school
Child standing in front of a wall claps his hands and hears the Eco after 0.5 sec . Determine his distance from wall velocity of sound 340 meter per sec
asked by Vishnu 
Chemistry
What would be the new temperature in Celsius of a sample of methane if 205 ml at 725 torr and 75.0 degrees C is allowed to change to 907 ml and 827 torr? I used P1V1/T1=P2V2/T2 Plugged in the numbers (205)(725)/(348.15K)=(907)(827)/T2 When I solved for T2
asked by Carl 
Check my answers MATH
Which statement about the product is true? 5.643 times 4 point ModifyingAbove 6 with bar The product is irrational. The product is neither rational nor irrational. The nature of the product cannot be determined. The product is rational. Which of the
asked by XenaGonzalez 
PreCalc
Use the value of this trigonometric function to evaluate the indicated function. 1. cos(t) = 3/4 cos(t) = ? Ans: 3/4 2. sin(t) = 3/8 sin(t) = ? Ans: (3/8)
asked by Anonymous 
ELA
6. Which statement about possessive nouns is true? Possessive nouns are always capitalized. Possessive nouns show ownership.♥ Possessive nouns name a specific person, place, or thing. Possessive nouns are never capitalized. 7. Which word has a meaning
asked by YOLO 
science
how many years will have to pass before only 3% of radioactive isotope is left if there is a half ye
asked by edward 
Health and physical
Your friend spends most of his free time eating junk food and playing games on the computer he is a very low energy level and many aches and pains which way on the health continuum is he moving ? A • wellness B • long life expectancy C • illness D
asked by Serenity 
Chemistry
26.0246 g of sodium carbonate is dissolved in water and the solution volume adjusted to 250.0 ml in a volumetric flask. A 25.00 ml sample of an unknown hydrochloric acid solution required 32.06 ml of the sodium carbonate solution for complete reaction.
asked by Blaine 
Chemistry
Which of the following is the strongest acid? 1. HNO2 4. H2SO3 2. H2CO3 5. HFO 3. HC1O3 6. H2O I'm really stuck, I know none of these are a "strong acid." I think the strongest might be HClO3 because Cl has the highest oxidation number and it has the most
asked by George 
Social Studies
1)How did the shift to farming impact native american cultures? A) Farming impact native cultures to build more permanent shelters out of brick, clay, stone, and wood. B) Agriculture led to a new way of life for native peoples, encouraging the development
asked by Tim 
Chemistry
Which of the following molecules has a double bond? 1. NO3 4. H2 2. C2H4 5. C12 3. SO2 6. None of the previous answers I got that three of these molecules have a double bond (NO3, SO2, and C2H4), but the answer is one. I am thinking that maybe the
asked by Jim 
Chemistry
The PH3 molecule is 1. linear 5. tetrahedral 2. bent 6. trigonal bipyramidal 3. planar triangular 7. octahedral 4. trigonal pyramidal 8. None of these Do you think the professor is asking for molecular shape or electron geometry. I know the electron
asked by Jim 
Health and physical
Your environment includes which of the following • heredity • social conditions • physical condition • advocacy
asked by Serenity 
Math
A rectangular courtyard is 57m 50 cm long and 22m broad. Determine the least possible number of square stones of the same size required to pave it
asked by Noor 
Biology
Which of the following properties of water would be most important in protecting a fish in a shallow pond on a hot summer day? the low density of water in the solid phase water’s strong forces of adhesion water’s high specific heat water’s solvent
asked by SkatingDJ 
Algebra
Plz help me! 12 divided by 3 •(8 + (4)^2  6) + 2 My teacher said the answer should be 6. But I don't know how to get to it. Plz Help!
asked by Salted Caramel 
physical fitness (not homework)
how do i alleviate the pain in my stomach after doing curl ups, crunches, and planking ? tank you
asked by anon 
college algeb
help :) 1.) cube root of 3x^2 multiplied to square root of 2x? 2.) square root of 3+2sqrt2 multiplied to sqrt of 3  2sqrt2 3.) sixth root of 12 divided by (sqrt 3 multiplied to cube root of 2) 4.) 4/cuberoot of 16
asked by alaine 
Algebra
Yesterday you borrowed $30 from your brother. Every day that you don't pay it back, you owe $2.00 more. So today, day 1, you owe him $32.00; on day 2 you will owe him $34.00; on day 3 you will owe him $36.00, etc. If you still haven't paid him back, how
asked by Sandra 
Science
Which of the following means using specific observations to make generalizations
asked by Serenity 
Physics
A model rocket is launched from rest with an upward acceleration of 6.30 m/s2 and, due to a strong wind, a horizontal acceleration of 1.50 m/s2. How far is the rocket from the launch pad 5.30 s later when the rocket engine runs out of fuel?
asked by Jeff 
Life orantation
What is road users
asked by Timu 
PreCalc
The displacement from equilibrium of an oscillating weight suspended by a spring and subject to the damping effect of friction is given by y(t) = (1/4)e^t cos6t, where y is the displacement in feet and t is the time in seconds. Find the displacement when
asked by Anonymous 
PreCalc
Evaluate the two trigonometric functions using its period as an aid. 1. cos (9pi/2) = ? Ans: 0 2. cos (9pi/2) = ? Ans: 0
asked by Anonymous 
PE
1. the period development of which a child develops into an adult is called? a. childhood process b. adolescences c. teen years d. blooming ( i think this is the answer) 2.characteristics caused by hormones but that do not include development of
asked by TWD lover YUP 
Vaal reefs technical high school
Science redox reaction lesson
asked by Asemahle 
Science
Which of the following means using specific observation to make generalizations A. Bias B. Subjective C. Deductive reasoning D. Inductive reasoning
asked by Serenity 
Science
Which of the following is not true about bias. A. Personal bias involves the influence of your own likes and dislikes B. Ethical bias involves basing a conclusion on too little data C. Cultural bias is influence from culture in which you grew up D.
asked by Serenity 
Business Managment
I just want to know if these are right and if not, which ones I got wrong. 1.Based on a _______ statement, a company sets longterm _______ mutually agreed on by workers and management and, from these, sets specific, shortterm _______. A. vision; goals;
asked by Krystal 
Science
Victoria discovered a new way to keep her hands warm on a cold day what scientific attitude is this an example of A. Creativity B. Skepticism C. Honesty B. Good ethics
asked by Serenity 
Physics
An object initially at rest experiences an acceleration of 1.4 m/s² for 5.6 s then travels at that constant velocity for another 9.3 s. What is the magnitude of the object’s average velocity over the 14.9 s interval?
asked by Austin 
Science
Whenever Adrian plays his favorite video game he always A higher score if he plays well listen to music he wants to know if listening to music while playing video games affects other kids as well he decides to test all the boys in his class what should
asked by Serenity 
Life Orientation
Identify Four environmental issues that cause illhealth to your community.
asked by Sduduzo Manyoni 
Social Studies
Where was the native American population density higher in 1500? A.Greenland 2. Caribbean islands 3.Present day Florida 4.Present day California CAN SOME HELP PLEASE :))
asked by Lee 
social studies
Discussion for Analyzing Islamic Art Discussion Traditional Islamic art has a style of its own, shaped by the beliefs of Islam. Although the artwork varies by its location, century created, branch of Islam, and materials used, several common themes can be
asked by SE 
Social Studies
1)How did the people of the inca empire adapt to their surrounding physical environment A) By building longhouses and canoes out of bent trees and bark. B) by cutting terraces along steep slopes so they could plant crops. C)By pulling rich soil from the
asked by Tim 
Algebra
Students get two grades for a test in an introductory psychology course: a letter grade, and a numerical equivalent (weighted value). So an A is worth 4 points, a B is worth 3 points, a C is worth 2 points, a D is worth 1 point, and an F is worth 0 points.
asked by Camry 
Social Studies Native Americans
How did the Native American groups of the northern west coast adapt to their environment? a: they built their homes out of a sun dried brick called Adobe b: they had a nomadic culture, moving there teepees from place to place c: they used tree bark to make
asked by Lee 
occupational therapy
Which of the following questions is best worded for the confused patient? A. "When would you like to go for your walk?" B. "Would you like a drink with your dinner?" C. "What would you like to drink?" D. "When did your illness originate?"
asked by ashley 
math
why can subtraction problems be changed into addition?
asked by Anonymous 
Science
How many parts listed make up a plant or animal cell nucleus?
asked by cindy 
algebra
An executive drove from home at an average speed of 45 mph to an airport where a helicopter was waiting. The executive boarded the helicopter and flew to the corporate offices at an average speed of 120 mph. The entire distance was 250 miles; the entire
asked by Samantha 
Science
What are distinguishing features of animals?
asked by Dado 
Heat Transfer
The inside wall of a furnace needs to be designed such that it transmits a maximum heat flux of 600 W/m2 . The inside wall temperature will be 1100°C and the outside temperature will be 150°C. We have two different types of bricks from which we can make
asked by Jacob 
PreCalc
Find the point (x, y) on the unit circle that corresponds to the real number n. n = 5pi/3 (x, y) = ? Is it (1/2, sqrt3/2)?
asked by Anonymous 
health
A patient who lost his or her hearing sometime after birth is said to be A. halfdeaf. B. adventitiously deaf. C. incurably deaf. D. congenitally deaf.
asked by ashley 
Science
what is the primary distinction of being an animal? A) ability to ingest B) Having a backbone C) Ability to turn sunlight into energy D)Ability to reproduce
asked by Dado 
Algebra
what is the simplified form of the expression (8d3w)
asked by Nikki 
Science
How many cell must a fungi have?
asked by Dado 
algebra
. A rich merchant had collected many gold coins. He did not want anybody to know about them. One day, his wife asked, "How many gold coins do you have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 25
asked by Samantha 
science
a particle moves 1/3rd of the distance in aspeed of 6km/hr and rest with a speed of 18km/hr.find the average speed?
asked by sidharth 
algebra
Of the 30 officers on traffic duty, 15% didn't work on Friday. How many officers worked on Friday?
asked by Samantha 
Social studies economics
What does CPI compare? A) money to time B) Walmart to targets. C) Dollars to euros D) purchasing power at different times.
asked by Dado 
health
A patient who has difficulty functioning in her surroundings and completing daily life tasks due to an inability to organize information gathered from the senses probably has some type of _______ impairment. A. schizophrenic B. gross motor skill C.
asked by duncan 
science
What will happen if you choose surface speed too low?
asked by PHATQ 
algebra
A rich merchant had collected many gold coins. He did not want anybody to know about them. One day, his wife asked, "How many gold coins do you have?" After pausing a moment, he replied, "Well! If I divide the coins into two unequal numbers, then 25 times
asked by Samantha 
Lukhanyo high school
What are the impact of teenage suicide that impact the community socially
asked by Olga mokwa 
math
A pole is painted red, blue and green. One third (1/3) of the pole is painted red and one half (1/2) of the poles is painted blue. Five feet of the pole is painted green. What is the height of the pole?
asked by nick 
math
The weight of a bag of bricks plus 20% of its weight is 30 pounds. How much does the bag of bricks weigh, in pounds?
asked by Matt 
PreCalc
Find the point (x, y) on the unit circle that corresponds to the real number 5pi/6. Use it to evaluate cos n. Is cos n = (sqrt(3)/2)?
asked by Anonymous 
math
An executive drove from home at an average speed of 45 mph to an airport where a helicopter was waiting. The executive boarded the helicopter and flew to the corporate offices at an average speed of 120 mph. The entire distance was 250 miles; the entire
asked by Matt 
algebra II
Calculate the metric volume of 30 gm of protein to dispensed if the 8.5% solution is available. What formula do I use?
asked by Deb 
kgapane high school.Life orientation
explain the extend to which bad road use has a direct impact on the physical,emotional,social And economic aspect to the family,the community and the country
asked by khomotso 
Chemistry
Hi guys! I just learned about significant figures today, and I have a question about them. My teacher gave us a problem where all values have what I think is four significant figures (like 44.56) except the value for temperature (which is 25.5C). Are
asked by Allie 
math
Bill can mow his mother's lawn in 45 minutes. His brother Jim can mow it in 65 minutes. How long will it take them to do it together, if each has his own lawnmower? (Record your answer in minutes rounded to one decimal place. For example, if the answer you
asked by sam 
History
In which order did these events take place? A) The United States declared war on Japan. B) Germany invaded neighboring countries. C) Japan attacked Pearl Harbor. D) Italy surrendered. MY Choice: C B D A
asked by Patty 
algebra
Of Maria's total salary, 1/4th goes to taxes and 2/3rds of what remains goes to food, rent, and bills. If she is left with $500 each month, what is her total monthly salary?
asked by Sally 
Math
Eight years ago, Heather was twice as old as her brother David. Today, she is 12 years older than him. How old is Heather now?
asked by Kathy 
MATH HELP
A store had 250 bottles of water. Each week, 40% of the bottles were sold and 48 new bottles arrived in shipments. Which recursive function best represents the number of bottles of water in the store, given that f(0) = 250? f(n) = f(n − 1) ⋅ 0.6 + 48,
asked by Oscar 
Physics
A solar still is used to make fresh water from salt water by evaporation. Assume that during a summer day that 1000 BTU/ft sq of solar energy falls on the surface of the salt water. Determine how many inches of water are evaporated in 30 days. Assume that
asked by Steve 
Math
O.675
asked by Selah 
Sarah smith
What is 95 divided by 4 equals and.can I have the question solved please
asked by Aniya 
ICT1511
Sam works at a coffee company where all the employees receive a bonus of R700, except the employees in the coffee department 3, who receive a bonus of R850. Enter his gross salary and his personal department number. Calculate the total income of Sam.
asked by Kenneth 
History
Which country’s leaders were mostly responsible for causing World War II? Germany Great Britain Japan United States My Choice Germany
asked by Patty 
MATH HELP
Match the sequence (term) with the correct type of sequence (definition). Match Term Definition 128, 32, 8, 2, ... A) Geometric, common ratio is 0.25 1, 3, 9, 27, ... B) Arithmetic, common difference is 5 5, 10, 15, 20, ... C) Geometric, common ratio is 3
asked by Oscar 
History
What was an effect of the Holocaust? A)People had to conserve resources to support the war effort. B)The United States drafted American men into the military. C)The Japanese attacked a U.S. port at Pearl Harbor. D)Millions of Jewish people died in Europe.
asked by Patty 
Math
Given that: 4x – y + 9 = 0 and 3y – 2x = 7, solve for x. does x=2?
asked by Will 
math
A friend is building a dog pen with an area of 150 square feet. Each side must be at least 5 feet long. a. List all possible dimensions of the dog pen. b. What is the maximum amount of fence required to build the dog pen? How much fence is required? c.
asked by Lakshmi 
algebra
Assume that S/A = 7.0, D/A = .40, N/E = .80 and A = D + E. Solve for N/S.
asked by Will 
Math
Evaluate: 4•y^2 if y=5
asked by Amy 
algebra
An executive drove from home at an average speed of 45 mph to an airport where a helicopter was waiting. The executive boarded the helicopter and flew to the corporate offices at an average speed of 120 mph. The entire distance was 250 miles; the entire
asked by Aaron 
Physics
A box is pushed across a horizontal table by a boy applying a force of 32 N to the box. A force of friction of magnitude 19 N acts opposite the direction of motion. A stiff wind also opposes the box’s motion. What force does the box exert on the boy’s
asked by Jake 
Risk Pooling Life Ins.
hich of the following is another term for “insurance company?”
asked by Kathy Smith 
Math
Set of 18 counters
asked by Parent 
Chemistry
You leave 255 grams of water outside at 21.0 C in the sun. After 30.0 minutes the temperature is 35.0 C. A) how many calories of energy was used by the sun to heat the water up? B) how many joules of energy is this? C) How many Joules / second of power did
asked by Vic 
Math
Set of 18 counters 2x18=36
asked by Parent 
science
write a plan on how to seprate iron filings and sodium chloride crystals
asked by nathan 
Math
Use a calculator to evaluate the trigonometric function. Round to four decimal places. Make sure that your calculator is in the correct angle mode. 1) csc 2pi/5 1.3213? 2) sec 0.7 1.3075?
asked by Anonymous 
Math
by 3 pm the temperature had increased by another 5 degrees. was the temperature at 3pm positive or negative
asked by Anna 
Grammar
Is the subject to this sentence Our teacher or teacher? Our teacher likes ice cream.
asked by Kaden 
Calculus
If a ball is thrown into the air with a velocity of 40 ft/s, its height in feet t seconds later is given by y = 40t − 16t^2. Find the average velocity for the time period beginning when t = 2 and lasting for each of the following. 1) 0.5 seconds.
asked by kelly 
Physics
An object is traveling at a constant speed of 12.0 m/s when it slows to a stop. If it takes 10.0 m for the object to stop, what is the magnitude of its acceleration?
asked by Anonymous 
Math
Evaluate: X3^2 if x= 24
asked by Amy 
math
Insert parentheses to make the statement true; 6 x 5  2^2 = 45
asked by andrea 
math
maria has a scale drawing of her bedroom so she can plan where to put her new furniture. The scale used is 1 inch= 3 feet. The dimensions if her room on the scale drawing are 4 inches by 4.5 inches. What is the actual area of her room?
asked by Yanina 
Math
how many 3 digit numbers can be formed using the digits 0,1,2,3,4,5,6, if repitition is not allowed?
asked by Jacqueline 
life orientation
assess the extent to which bad road use has a direct impact on the phisical, emotional, social and economic aspects to the family, the community and the country.
asked by Nkoka 
Math
at a track meet with 200 participants, 45 participate in jumping event, 1/3 of these jumpers are female, and 1/2 of the the total participants are female. What is the probability that a participant chosen at random is a jumper, given that the person is a
asked by Jacqueline 
Chemistry
A solution of ammonia and water contains 3.70×1025 water molecules and 7.10×1024 ammonia molecules. How many total hydrogen atoms are in this solution?
asked by Mel 
Math
Madeleine saved her allowance for 4 months to buy a new game. She spent 1/4 of her money on the game and 1/2 of the remaining money on another toy. If she brought 4 cool erasers for $2.15 each and had $8.90 left, how much did she save in 4 months?
asked by Ly 
Physics
A ball of mass 0.6 kg, initially at rest, is kicked directly toward a fence from a point 20 m away, as shown below. The velocity of the ball as it leaves the kicker’s foot is 18 m/s at angle of 58◦ above the horizontal. The top of the fence is 10m
asked by Lucy 
Physics
A plane is flying horizontally with speed 193 m/s at a height 2010 m above the ground, when a package is dropped from the plane.The acceleration of gravity is 9.8 m/s^2. 1.What is the horizontal distance from the release point to the impact point? Answer
asked by Anonymous 
Physics
A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 36.8 m/s. At the same time, it has a horizontal velocity of 52.6 m/s. At what speed does the vehicle move along its descent path? Answer in units of m/s. At
asked by Simon 
physics
Consider two vectors F~ 1 and F~ 2 with magnitude F1 = 61 N and F2 = 63 N and where θ1 = 98 ◦ and θ2 = 50 ◦The angles are measured from the positive x axis with the counterclockwise angular direction as positive. What is the magnitude of the
asked by king 
math
In a science experiment, the temperature fell 63 degrees Fahrenheit in 9 minutes. If the temperature fell at the same rate every minute, how many degrees did it change each minute? 63 divide by 9 = 7
asked by MJ 
Math
Simplify this expression. 12÷3•(8+(4^2)6)+2. I'm confused on how to solve this. Thank you for the help.
asked by josie 
Physics Relativity
A lighthouse sweeps its beam of light around in a circle once every 7.2 s. To an observer in a spaceship moving away from Earth, the beam of light completes one full circle every 9 s. What is the speed of the spaceship relative to Earth
asked by John 
Math
What is $89.75 times 0.06
asked by Jennifer 
Chemistry
One of the reactions that occurs in a blast furnace, in which iron ore is converted to cast iron, is Fe2O3 + 3CO → 2Fe + 3CO2 Suppose that 1.59 × 103 kg of Fe is obtained from a 2.54 × 103 kg sample of Fe2O3. Assuming that the reaction goes to
asked by Helga 
Biology
Which of the following depends on bacteria?
asked by Megan 
math
the number of fish in each aquarium at a pet store
asked by Anonymous 
math
A diver descended at a constant rate of 12.24 feet every 3 minutes. Which of the following is true? A. After one minute, the diver was at4.08 feet B. After one minute, the diver was at 4.08 feet C. After one minute, the diver was at 6.62 D. After one
asked by MJ 
Math algeabra
A tortoise can travel 10 cm per second. what is the turtoise's speed in feet per hour?
asked by sasha 
U.S Government
What does policymaking system mean?
asked by Lesly Roman 
math
Triangle ABC is congruent to triangle xyz.write congruence statements comparing the corresponding parts.then determine which transformations map ABC onto xyz
asked by tiffany 
math
St. Augustine beach is changing 3ft. each year due to erosion. What will the overall change to the beach be in 7 years if this continues to occur? The over all change will be 21
asked by MJ 
Chemistry
Hello there! I was wondering if you could check my answers for me? I was having trouble and I finally understand. 1. Indicate the oxidation number of carbon and sulfur in the following compounds. A) CO= +2 C) Na2CO3= +4 E) CH4= 4 G) SO2= +4 I) Na2SO4= +6
asked by Isabella 
math
the tickets to a concert cost $10 for the lower level and $5 for the upper level. A total of 35000 tickets were sold for a total amount of 325000. how many lower level tickets were sold.
asked by steve 
Math
larry starts at the bottom of a long staircase. he climbs exactly 2/3 of the stairs. then he goes back down exactly 1/2 of the way to the bottom. from that spot he climbs exactly 2/3 of the way to the top. finally from there he climbs 6 stairs to reach the
asked by Kiara 
Math
Write an equation to represent the relationship " a number decreased by 7 is the same thing as 28" and then solve the equation
asked by Ivory 
math
Compare. Write , or = 5.37 < 5.370 is the answer
asked by Trey 
Chem
List several anions, by formula, that contribute to the salinity of a water sample. Is this the answer? : chloride sulfate sodium , Na bicarbonate carbonate bromide fluoride What does it mean by formula? thanks so much !
asked by Dana 
precalc
G(x)=2x+7 H(x)=1/(x+2) 1) H(G(x))= J: y=3x^2 2) J(H(x))= 3) J/H=
asked by a 
CALCULUS HELP!
How do you find all real values of x such that f(x)=0? Example 1: f(x)=153x Example 2: f(x)= (12x^2)/5 Example 3: f(X)= x^3 x
asked by JAKE 
math
Which of the following is not equivalent to 1/2 A. 1/2 B. [1/2] C. 1/2 D.0.5 The answer is A
asked by MJ 
Math
Please help me with this 12x = 8 15 = 3x/5 x 2/3 = 3/8 Thank you BJ
asked by BJ 
hydraulics
The surface of the large piston is 4m2. What will the force (F2) be that is exerted by the large piston?
asked by Donna 
Chemistry2
A student pours 200 grams of methanol, a flammable substance into the sink. Another student causes the bad situation to get evern worse by dropping a lit match into the sink. The methanol burns completely with 300 grams of oxygen from the air. What mass,
asked by Sam 
Chemistry
Hi! I am totally stuck on this question: Explain why a cool flame is important to use in heating a solution to dryness. Can you please explain to me exactly why because I really do not understand. thank you!
asked by Abigail 
Math
f(0) = 2sin(4(0+45))1 *the zeros is the symbol theta* Find the Amplitude,Period, Phase Shift and Vertical shift
asked by Rose 
French
answer options ce matin deux jours le weekend dernier hier soir pendant dernière fois deux semaines fill in the blank ____ , mes parents ont téléphoné du Sénégal où ils passent des vacances. Le Sénégal a beaucoup changé depuis la____ que mon
asked by viv 
Children's Literature
Moral reasoning at stage __________ is widely represented in the decisions that book characters make. I think it is B but not sure. A. 1 B. 2 C. 3 D. 4
asked by Dawn 
ChemHELP
Can you please help me with these questions. I tried looking up information online and in my textbook but I could not find sufficient information to help me. 1. What is an aliquot of a sample? 2. What is the filtrate in a gravity procedure? 3. How full
asked by Zef 
Math question
You have 8 sticks. 4 are exactly half the height of the other 4. Arrange the sticks that you make exactly three squares of same size. No breaking or bending the sticks.
asked by Math question 
Golden oak
An assembly line worker at robs bicycle factory IDC to bicycle a rate of 2 seats in 11 minutes writing reports you relating the number of seats as to the number of minutes and at this rate how long will it take to add 60 seats and 19 seats?
asked by Alleigh 
Calculus and Vectors
In triangle RST, RS=4, RT=7, and ST=5. Determine the measures of the angles to the nearest degree. I solved correctly for T's angle of 34 degrees. Once I try using the sine law to solve for angle S, I keep getting 78 degrees, when it's supposed to be 102
asked by Chuck 
Algebra grade 7
a square carpet covers an area of 64 ft ^2. what is the length of each side of the carpet?
asked by Latoya 
statics
a bench is 2.4m long.the legs are attached .3m from each end.if 3 boys weighing 500n,750n,1000n seated.4,1.2m,2m from end of the bench,what force must eachset of leg exert
asked by pion 
Math 7th grade
0.5167 is this number rational or irrational ? Thank you
asked by Holly 
vocabulary
A will be sent to all our representatives in Latin America advising them how to handle the problem
asked by br 
math
Describe and correct the error in writing the factor pairs of 30. 30= 2*15 30=3*10 30=5*6
asked by lakshmi 
math
a chemist wants to create a solution that is 36% acid. How many liters of a 60% acid solution must be added to 30 liters of a 15% acid solution to obtain this 36% acid mixture?
asked by Alexa 
Physics
PLEASE HELP! this is do tomorrow :( I have no clue how to do any of it. A plane is flying horizontally with speed 193 m/s at a height 2010 m above the ground, when a package is dropped from the plane.The acceleration of gravity is 9.8 m/s^2. 1.What is the
asked by Lucy 
Physics
PLEASE help! This is due tomorrow, and I really need to know how to do it. A ball of mass 0.6 kg, initially at rest, is kicked directly toward a fence from a point 20 m away, as shown below. The velocity of the ball as it leaves the kicker’s foot is 18
asked by Anonymous 
Physics
A ladder 10m long and weighing 50 N rests against a smooth vertical wall. If the ladder is just on the verge of slipping when it makes a 50 degree angle with the ground, find the coefficient of static friction between the ladder and the ground.
asked by RenRen 
Finance
what is the initial rate of return for the following project: An initial outlay of 9,500 resulting in a single cash flow of 16,281 in 7 years
asked by Tremeta 
Math
Using the break apart method what is the best way to multiply 8x7
asked by Sophia 
Quick physics check
1. During a five minute period a caterpillar crawls in a straight line along the edge of a meter stick from the 18 cm mark to the 42 cm mark. The displacement of the caterpillar during this time is A. 18 cm B. 24 cm C. 42 cm D. 60cm Is it 24 cm? 2. During
asked by Emily 
Math
Which number goes in the box to make the number sentence true? (3+4)+7=3+ (4+_)
asked by Brandi 
Physics
On a drive from your home to town, you wish to average 52 mph. The distance from your home to town is 108 miles. However, at 54 miles (half way), you find you have averaged only 39 mph. What average speed must you maintain in the remaining distance in
asked by Karen 
ENGLISH SOS!!!!!!!!! MS SUE, SOMEONE, PLEASE!
IS The italicized word in the sentence below an adverb or a preposition? Why don't you come OVER this evening? A. Adverb. B. Preposition. C. None of the above. Which sentence below uses the word FINE as an interjection? A. The weather is very FINE today.
asked by ToriKat 
7th Grade
You have 8 sticks. 4 are exactly half the height of the other 4. Arrange the sticks that you make exactly three squares of same size. No breaking or bending the sticks.
asked by 7th Grade 
Chemistry
O5F2 Express your answer using two decimal places. I got 118, but when I rounded it to 120 and made it 1.2*10^1, it said I was wrong. What did I do wrong?
asked by Finn 
Physics
An ideal gas starts in state A at temperature T. The gas expands to new volume V by an adiabatic process and its final temperature is T′. What is the relationship between T and T′? A) T < T′ B) T > T′ C) T = T′ D) The answer depends on the heat
asked by Tim 
Physics
Nitrogen boils at 196°C. What is the corresponding temperature in the Fahrenheit scale? A) 290°F B) 346°F C) 315°F D) 196°F E) 321°F
asked by Karen 
math
Nine basketball players went to get pizza. They bought six pizzas. How much oizza will each one get?
asked by lia 
Physics
For chlorine gas, the van der Waals constants are: a = 0.658 J·m3/mol2, and b = 5.62 × 105 m3/mol. A 3.0L tank contains 10.0 moles of chlorine gas at a temperature of 625 K. What is the pressure in the container? A) 15.0 MPa B) 17.3 MPa C) 13.5 MPa D)
asked by Kelsey 
Chemistry
How do I calculate the molar mass of the following: Na2SO4.10 H2O(s) CaSO4.2H2O(s)
asked by Anonymous 
CHEMISTRY
Hello there! I was wondering if you could check my answers for me? I was having trouble and I finally understand. 1. Indicate the oxidation number of carbon and sulfur in the following compounds. A) CO= +2 C) Na2CO3= +4 E) CH4= 4 G) SO2= +4 I) Na2SO4= +6
asked by Isabella 
Social Studies
what have the earliest people might have seen while crossing the bering land bridge?
asked by brooke 
Social Studies
How long ago was 1000 C.E. ? You would find the answer by A. Subtracting 1000 C.E. from the present year B. Adding 1000 C.E. to the present year Thank you.
asked by Sabrina 
Chemistry PLEASE HELP
Hi! I really really need help in this question: what observation is expected when: 1. an acid (nitric acid, HNO3) is added to a solution containing carbonate or bicarbonate ions? 2. silver ion is added to a solution containing chloride (or bromide or
asked by Alex 
Physics
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0854 s, during which time it experiences an acceleration of 217 m/s2. The ball is launched at an angle of 58.3° above the ground. Determine the (a)
asked by Annie 
Geometry
The floor of a rectangular room measures 18.9 feet by 15.75 feet. Find the perimeter of the room
asked by Dawn 
community psycology
When Bullying Turns Deadly: Can It Be Stopped? Thesis: To me, it was normal because that's what I was used to. This was in an article was wondering if the thesis is good
asked by Ann 
Physics
A car travels along a straight stretch of road. It proceeds for 16.1 mi at 56 mi/h, then 24 mi at 46 mi/h, and finally 36.9 mi at 37.3 mi/h. What is the car’s average velocity during the entire trip? Answer in units of mi/h.
asked by Isabelle 
algebra
a tortoise can travel 10 cm per second. what is the tutortise's speed in feet per hour?
asked by sahsa 
algebra
an 18000 gallon pool takes approximately 40 hours to fill. what is this rate in pints per minute?
asked by sahsa 
algebra
a tub can drain 24 gallons of water in 5 mintues. what is this rate in cups per second?
asked by sahsa 
chemistry
An experiment was conducted in which many pieces of data were collected. Considering all of the data, the limiting number of significant figures in the experiment was 3 significant figures. One of the values needed in these calculations was the barometric
asked by Jas 
science
In the cabin of a jetliner that cruises at 600km/h, a pillow from an overhead rack falls into your lap below since the jetliner is moving so fast, why doesn't the pillow slam into the rear of the compartment when it drops? What is the horizontal speed of
asked by Jose 
physics
A 4.30 kg block is pushed along a floor by a constant applied force that is horizontal and has a magnitude of 43.0 N. The figure gives the block's speed v versus time t as the block moves along an x axis on the floor. The scale of the figure's vertical
asked by rochelle 
Math
When I am rounded to the nearest ten, I am 50. The sum of my digits is 13. Who am I?
asked by Amaryi 
probability
A survey asks people about their reading habits with respect to three newspapers. The results show that 56% read newspaper A, 33% read newspaper B, and 27% read newspapers C. 7% of the respondents read newspapers A and B, 8% of the respondents read
asked by Alex 
physics
After flying for 13 min in a wind blowing 44 km/h at an angle of 21° south of east, an airplane pilot is over a town that is 53 km due north of the starting point. What is the speed of the airplane relative to the air?
asked by Help 
grambling
3 radical 192
asked by kaih 
Chemistry2
12.) Chlorine reacts with potassium bromide to produce potassium chloride and bromine. a.) write a chemical equation, using words, to represent the above chemical reaction. Answer: Chlorine + potassium bromide ==> potassium chloride + bromine (Is this
asked by Sam 
probability
Two hunters shoot at the same duck. The probability of the first hunter hitting the duck is 0.2. The probability of the second hunter hitting the duck is 0.75. Hitting the duck results in its death. What is the probability of the duck being killed?
asked by Alex 
Chemistry 2
36.) Suppose a chemistry student discoveres that a block of pure ice is left on her porch as she goes to school one day. What will be the percent composition of the pure ice block?
asked by Sam 
science
an aeroplane travels 280m down the runway before taking off.if it start from rest , moves constant acceleration and becomes airbone in 8 second what is its speedin m/s,when it takes off
asked by ashika 
Math
Evaluate the two trigonometric functions using its period as an aid. 1. cos (9pi/2) = ? Ans: 0 2. cos (9pi/2) = ? Ans: 0 I think they are both 0 because cos(t) = x.
asked by Anonymous 
algebra 1
a tortoise can travel 10 cm per second. what is the tortoise's speed in feet per hour? an 18,000 gallon pool takes approximately 40 hours to fill. what is this rate in pints per mintue. a tub can drain 24 gallons of water in 5 minutes . what is this rate
asked by sahsa to reiny 
Math
She ties rope to the stakes to section off a rectangle.eqch unit represents 1foot.what is the perimeter of the rectangle in feet
asked by Takia 
Chemistry
Hi! I really really need help in this question: what observation is expected when: 1. an acid (nitric acid, HNO3) is added to a solution containing carbonate or bicarbonate ions? 2. silver ion is added to a solution containing chloride (or bromide or
asked by Alex 
PHysics
An athlete crosses a 21 m wide river by swimming perpendicular to the water current at a speed of 1.1 m/s relative to the water. How fast is the water in the river flowing with respect to the ground in m/s?
asked by Seth 
math
i have 5 questions about adding rational numbers and want you to check my answers. tank you for reviewing my questions tutors 1. 3/2  7/4 + 1/8 my answer: .3375 2. Alex borrowed $12.50 from his friend Danilo. He paid him back $8.75. How much does he
asked by anon 
science!
i have 6 questions, each with an answer. i would appreciate if you review the questions check my answers. tank you very much tutors. variables and graphing assessment practice Ethylene is a plant hormone that causes the fruit to mature. The data below
asked by anon 
algebra 2
How can you model data with a linear function?
asked by cj 
science
13. A ball is thrown vertically upwards and it returns to the thrower after 6 sec ( g=9.8 m/s2) Find. (i) The velocity with which it was thrown up. (ii) The maximum height it reaches (iii) Its position after 4 sec.
asked by Atul 
probability
You and your friend just rented a car for an 8,000 mile crosscountry road trip. Your rental car may be one of three different types: new (N), nearly one year old (O), and old (L). If the car you receive is brand new, it will break down with probability
asked by matt 
English
1. He used to take a walk in the park. 2. He used to swim in this river. 3. He used to live in Chicago. 4. He used to drive a car to New York. 5. He used to walk his dog along the road. 6. He used to play soccer when he was young. 7. He used to cook
asked by rfvv 
Physics ( Thickness of a Spherical Shell)
Aluminum floater: A spherical shell with an outer radius R=2 cm is made of aluminum (mass density of Al is 2.7 g/cm3). How thick is the shell if the average density of the spherical object is exactly 0.5 g/cm3 ? Assume there is a vacuum in the hollow
asked by JC 
history
Describe the early voyages of Spain and Portugal and their early attempts (15001750) at settlement and colonization in North and South America.
asked by Tressa 
Algebra
The quotient of 66 and 6
asked by MyA 
Math algebra
Graph g(x)= 2x+8 if x
asked by Feather 
FRENCH
Can someone check to see if everything is evenly in past tense? Check for any grammatical errors, if i'm using french words wrong in its content. How should I fix them? Also the words or phrases in parenthesis are the words or phrases that I HAVE to
asked by ZOE 
Physics
The three displacement vectors in the drawing have magnitudes of A = 5.48 m, B = 5.23 m, and C = 4.75 m. Find the resultant ((a) magnitude and (b) directional angle) of the three vectors by means of the component method. Express the directional angle as an
asked by joe 
Math
On December 10, 2014, Jennings, Inc. paid out total dividends of $450,000 (this was the only dividend payment made during the year). If Jennings reported Retained earnings of $2,186,000 for 2013 and Retained earnings of $2,380,000 for 2014, what was
asked by Aaron 
Chemistry
please show me step by step how to do this so i can figure out the rest We add excess Na2CrO4 solution to 42.0 mL of a solution of silver nitrate (AgNO3) to form insoluble solid Ag2CrO4. When it has been dried and weighed, the mass of Ag2CrO4 is found to
asked by Hannah 
Math
In 2014, the Whaddock Company purchased 1,560,000 units from its supplier at a cost of $250.00 per unit. Whaddock sold 1,525,000 units of its product in 2014 at a price of $350.00 per unit. Whaddock began 2014 with 425,000 units in inventory (inventory is
asked by Sabrina 
History,Maths Literacy,Geography &Life Science
Which carrer do path with this subject?
asked by Silence