Questions Asked on
June 8, 2017

maths
From point AandB on level ground,the angle of elevation of the top of a building are 25degree and 37degree respectively.if AB〓57m,calculate,to the nearest metre,the distances of the top of the building from AandB if they are both on thesame side of the
asked by samuel 
PreCalculus
a ferris wheel is elevated 1 meter above ground. When car reaches the highest point of the Ferris wheel, it's altitude from ground level is 31 metres. How far away from the center, horizontally, is the car when it is at an altitude of 25 meters?
asked by Shane 
Math
On a map, 1 inch represents 120 miles. How much does 3/4 inch represent?
asked by Janeen 
math
Express this ratio as a fraction in its lowest term ?25cm to 3m.
asked by Anonymous 
Physics
A 5 m, 10 kg seesaw is balanced by a little girl(25 kg) and her father(80 kg) at the extreme opposite ends. How far from the seesaw's center of mass must the fulcrum be placed
asked by Pram 
math
Answer of least number possible with 5 in the thousands place
asked by Jezreel Levi Tabije Cortez Edwin 
Math
Find the positive square roots by factors method of 10816
asked by Hira 
Physics 11
Waves traveling along a string have a wavelength of 2.4m. When the waves reach the fixed end of the string, they are reflected to produce a standing wave pattern. How far from the end are the first 2 antinodes? I feel like I don't have enough info here...
asked by Kayla 
algebra
Tom is making a punch that contains 80% cranberry juice and the rest is ginger ale. how do I write this equation 100=80 g=x
asked by ute 
Physics
A 30W led bulb and a 90W led bulb are wired in the parallel to a 120V source. You plug in a third bulb in parallel with the other two and the current increases to a 4.5A, what is the wattage of the bulb you added? Please explain how you got the answer
asked by Blake 
science
A stone is allowed to fall from the top of a tower 100 m high and at the same time another stone is thrown vertically upwards with a velocity of 25 m/s. When and where will the two stones cross each other?
asked by mima 
math
a machine paints 340 toy boats in 45 minutes which expression equals the unit rate per hour
asked by Anonymous 
chemistry
a weather balloon is filled with helium to a volume of 250 l at sea level, where pressure is 760 mm hg. assuming constant temperature, what will be the volume when the balloon raises to a height of 25 km, where the pressure is only 10 mm hg
asked by maria 
Science , Biology
Are both of osmosis and diffusion movement of high concentration to low concentration? just a deferences of water or molecures?
asked by apple 
MathematicsIntegration
Question: Prove that [integrate {x*sin2x*sin[π/2*cos x]} dx] /(2xπ) } from (0π) = [ integrate {sin x*cos x*sin[π/2*cos x} dx ] from (0π). My thoughts on the question: We know that integrate f(x) dx from (0a) = integrate f(ax) dx from (0a) From
asked by Shenaya 
Cruz
A ferris wheel is elevated 1 meter above ground. When car reaches the highest point of the ferris wheel it's altitude from ground level is 31 meters. How far away from the center,horizontally, is the car it is at an altitude of 25 meters?
asked by Shane 
stat
the probability that a student pass a test in statistics is 2/3, and the probability that both a test in statistics and mathematics is 14/45. the probability that passes at least one test is 4/5. what is the probability that passes the test in mathematics?
asked by henok 
Science(maths)
How many H atoms are contained in 1.50g of glucose
asked by Bhumi 
Science
If 1 mole of acetic acid and 1 mole of ethyl alcohol are mixed and reaction proceeds to equilibrium, the concentration of acetic acid and water are found 1/3 and 2/3 mole respectively. If 1 mole of ethyl acetate and 3 mole of water are mixed,how much ester
asked by Chador 
math
what is the square root of 25?
asked by jon bro 
Science
6TH GRADE SCIENCE HELP ME FINISH MY LAST QUESTION OF SCHOLL!!!!!!!! YAYYYYYYYYYYYYYYY 21PT Please Help Explain the differences between internal and external fertilization and the advantages and disadvantages of each reproductive strategy. explain in detail
asked by BIG FREDA 
Math
Differentiate y=3secxtanx
asked by Sharon 
Chemistry
Strictly speaking, NO system can be completely closed  for example, hot liquid in the best thermos eventually cools down  but for most purposes a system can effectively be “closed”. How would you create a system which is more or less closed with
asked by Student12 
Math
In Exercises 16–18, use the following information. At a college, 43% of the students are women, 15% of the students are art majors, 4% have not chosen a major, and 8% are women and art majors. A faculty member conducts an experiment and selects students
asked by Kms 
Confidentiality in Allied Health
Yolanda is reviewing a medical record for a patient who is receiving psychotherapy. As a part of her training in medical record confidentiality, she is aware that there are special guidelines regarding psychotherapy notes. Which of the following statements
asked by Anonymous 
Math
Vocab __?__ events, or __?__ __?__ events are events that have no outcomes in common. __?__ events are events that have one or more outcomes in common. For two __?__ events, the probability that either of the events occurs is the sum of the probabilities
asked by Kms 
math
If x−y=a and x+y=b, then x^2−y^2 is: (A) a^2·b^2 (B) a^2+b^2 (C) a^2−b^2 (D) ab (E) b−a i got c is this right?
asked by allie 
math
If (a+b)^2=100 and (aâˆ’b)^2=64 What is the value of a^2+b^2? (A) 66 (B) 18 (C) 82 (D) 164 (E) 36 i got c
asked by allie 
Science (soon if so)
Over the years technology has gotten a) smaller**** b) heavier c) less complicated d) more expensive What is nanotechnology? a) Nanotechnology is engineering new elements by changing their atoms***** b)Nanotechnology is a way to lengthen radio waves and
asked by Angel 
Chemistry PLEASE HELP ME
Strictly speaking, NO system can be completely closed  for example, hot liquid in the best thermos eventually cools down  but for most purposes a system can effectively be “closed”. How would you create a system which is more or less closed with
asked by Student12 
math
a/b =6, b/x =36, and a=36, what is the value of 1/x ? (A) 1/2 (B) 2 (C) 3/2 (D) 4 (E) 6 i got e
asked by allie 
Chemistry
I need help with completing an equation. It is a skeletal formula that includes HOOC, HO, Cl and then MgO is added to it. I am not sure how to even begin this equation but it is unlike the previous balancing that we have done.
asked by ioana 
math
(a−b)/2 =3 and xa − xb = 12, then x = (A) −1 (B) 1 (C) 2 (D) 4 (E) It cannot be determined from the information given. i got c
asked by allie 
Physics
Hello, I am wondering if someone can answer me this question: In an Atwood machine why do the tensions that handle both bodies are the same? (English is not my native language)
asked by Alice 
Math
In Exercises 16–18, use the following information. At a college, 43% of the students are women, 15% of the students are art majors, 4% have not chosen a major, and 8% are women and art majors. A faculty member conducts an experiment and selects students
asked by J 
Algebra
Janice can type in 30 min Bianca can type in 45 min how long if they work together
asked by Anonymous 
math
If a+b=6, b+c=−3, and a+c=5, what is the value of a+b+c? i am not sure how to solve this but would you do this to solve it: A+B+B+C+A+A+C=6+3+5
asked by allie 
Science.
A Car is travelling at 20 km/s along a road . A child runs out into the road some ahead and the car driver steps on the brake pedal.What must the car's Acceleration be if the car is to stop just before it reaches the child?
asked by Parampreet Singh 
Math help asap
PQRS is a rectangle. One side is on the X axis, vertex s is located at (5.4) state two possibilities for coordinates for the other vertices.
asked by AnonymousHackerxx 
Math
In Exercises 16–18, use the following information. At a college, 43% of the students are women, 15% of the students are art majors, 4% have not chosen a major, and 8% are women and art majors. A faculty member conducts an experiment and selects students
asked by Kms 
Mathematics
State whether this infinite series converges or diverges? 1+(t) + (t^3)+...... t=[(5x+6)/(3x2)] My thoughts on the question: The sum of 'n' terms in a geometric progression is a[r^n  1]/(r1)(let's calk this 1), where r>1 and when r
asked by Shenaya 
English
Are these correct or not? I can't hardly see you. The children were real excited when they made the team, they jumped up and down noisily.
asked by Jerry Owens 
Mathematics  Complex numbers
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asked by Shenaya 
value
What happens when lead oxide is treated with hydrogen.Reason
asked by value 
Math
Two events are __?__ events if they are disjoint events and one event or the other must occur.
asked by Kms 
Chemistry
Question: At 300 K,Carbon powder and O2 are included in container of 10dm3.When the system is heated well,all the O2 converts into CO2.Then the system is cooled to the initial temperature. The volume of the Carbon powder is negligible. Find the percentage
asked by Shenaya 
Science
Earth is sphere yes or No
asked by Ola 
Anatomy
Describe the consequences of not removing waste products from the body such as CO2, urea, and salts.
asked by Pam 
math
Round the following percentage to two decimal places. 0.068%
asked by Anonymous 
can someone help me?
What conditions account for the boomandbust cycles experienced by Washington’s economy in the latter half of the 20th century?
asked by Joa 
geometry
Ray AD is the angle bisector of angle ABC. m∠ABC is 168°What is the measure of ∠DBC?
asked by morgan 
Probability and math statistics
We have two coins, C0 and C1, that looks identical but have different probabilities (0.5 and 0.7 respectively) of showing Heads. A coin is chosen at random and then is tossed X times until a Head comes up. Denote by H0 and H1 the hypotheses that the chosen
asked by Anonymous 
history
How do you think this resolution influenced later u.s. policy in southeast asia? gulf of tonkin resolution?
asked by hi 
Math
At noon temperature was38degree Celsius.temperature decreases at rate of 6 degree Celsius per hour. What will be the temperature of room after....... Hours
asked by Manak 
algebra
how many liters of distilled water must be added to 80 liters of 60% acid solution to obtain a 50 % acid solution?
asked by cheszka 
Math
After deducting10% from sum and then 20% the remainder₹3600 are left.Find the original amount
asked by Prateek 
Math
Add or subtract, then express the sum of difference in simplest form. 5/4+1/2
asked by Kenneth duclan 
math
(x4)^(3/2)
asked by aina 
Math
im having a hard time with polynomials it just shows shapes and i dont understand, if somebody could help that would be great :) Which polynomial does the model represent? The picture shows a big black square, 2 white rectangles 1 black rectangle 1 little
asked by Help me please 
forensic science
"In fluorescence microscopy, the wavelength of the emitted light is __________that of the exciting radiation." Longer than Shorter than Equal to Either longer or shorter than Impossible to determine My answer is Longer than am I correct
asked by Ann 
Math
After deducting10% from sum and then 20% from the remainder₹3600 are left.Find original amount.Solution
asked by Prateek 
math
I have 156 hundreds,290 tens,5 ones solve it
asked by erwin 
English
........ of the books of ali have blue colour. We can use some and none in the blank. But what do you think about 'any'in this blank. Is it correct.
asked by ABC 
Algebra 2 help please.
The average daily minimum temperature for Pablo’s hometown can be modeled by the function f(x)=15.3sin(πx6)+44.1 , where f(x) is the temperature in °F and x is the month. x = 0 corresponds to January. What is the average daily minimum temperature in
asked by sammiexo 
math
(x4)^(3/2)
asked by aina 
math
Which of the following does not always bisect at least one side Midsegment Perpendicular bisector Median Altitude
asked by Casey 
math
a town's population went from 25,8000 to 42,600 in 15 years. What is percent of change?
asked by Conner 
math
(x4)^(3/2)
asked by aina 
MATH PLEASE HELP
Anna mixes the letters S, E, L, E, C, T, E and D thoroughly, without looking, Mary draws one letter. Expressed as a fraction, decimal, and percentage, what is the probability that E will not be the letter mary selects A 3/8 0.375 37.5% B 8/5 1.6 16% C 5/8
asked by DUD 
Math
A van leaves town x at 6:45am and travels towards town y ,400km away at an average speed of 80km/hr.At 8:00am a truck left y for x at an average speed of 60 km/hr.at what time will the two meet.
asked by Ryan 
mathlimit
Lim x>0 (sqr5+xsqr5)/x
asked by ammar 
Science
The mass of sodium carbonate required to prepare 250ml of 0.4N solution is
asked by Neha 
Algebra 2//read bottom
The average daily minimum temperature for Pablo’s hometown can be modeled by the function f(x)=15.3sin(πx6)+44.1 , where f(x) is the temperature in °F and x is the month. x = 0 corresponds to January. What is the average daily minimum temperature in
asked by sammiexo 
Calculus
the region D is the triangle with vertices (1,1) (3,1) (3,2) about the yaxis find r(x) and h(x) using the shell method. My teacher got r(x)=x and h(x)=(1/2x+1/2)1 but how did he get the equation for h(x)??
asked by Anonymous 
Physical science CHECK my answers
6. Sound is an example of a(n) _____________ wave * Longitudinal******* Transverse Surface Electromagnetic 7. Which of the below options demonstrate reflection? * A rainbow Ripples in a pond******* An echo The tone that a plucked rubber band makes 8. Sound
asked by Anon 
Math
david is comparing two different phone plans. Chatty box has a flat rate of 2 cents per minute. celltalk charger 15 cents per call plus 1 cent per min at what minute will both companies charge the same amount of money?
asked by Anonymous