Questions Asked on
July 5, 2017

Maths
Cos^4(θ)/cos^2(α) + sin^4(θ)/ sin^2(α)=1 Prove that cos^4 alpha/cos^ thetha + sin^4alpha/ sin^2thetha= 1
asked by Sanjay 
Math
Frank bought supplies for school. In the first store, he spent half of his money plus $10. In the second store, he spent half of what he had left, plus $10. In the third store, he spent 80% of what he had left. He came home with $5. How much did he start
asked by Alice 
English
1. [(Yoga) The Tree Pose] Try to hold it for 30 seconds. Repeat this with your left foot. 2. [(Yoga) The Tree Pose] Try to hold it for 30 seconds. Do this with your left foot.  #1 is correct one. One used 'Do' instead
asked by rfvv 
biological science
please discuss physiologically the importance of human tissues
asked by gail 
Maths
In addition to spanning a river which is 50 metres wide, a straight bridge also has considerable overlap of both banks of the river. One third of the bridge overlaps one bank and one half overlaps the other bank. The total length,in metres, of this bridge
asked by jacob 
English
Do you know the website where we can get questions and answers in English about many kinds of subjects for elementary school students?
asked by rfvv 
maths
Between 1200 and 1300 3 in the tens place Even Numbr One digit is repeated
asked by shamil 
math
A= (x/7
asked by ash 
algebra
The fifth term of an A.P exceeds twice the second term by 1.The tenth term exceeds twice the fourth term by 3. Find:1.the first term. 2.the common difference. 3.the sum of first twenty five terms.
asked by Raj 
Math
If m < 2= 95° and m
asked by Anonymous 
STATISTIC MECHANICS
An insulated beaker with negligible mass contains 0.250 kg of water at a temperatur 75.0°C.e of How many kilograms of ice at a temperature of 20.0°C must be dropped into the water to make the final temperature of the system 40.0°C?
asked by arlyn 
maths
Two angles are adjacent and form an angle of 150degree. The larger angle is 30 degree more than twice the smaller angle.find the angles
asked by Anonymous 
Geometry
Quadrilateral ABCD is a parallelogram. If adjacent angles are congruent, which statement must be true? A. Quadrilateral ABCD is a square. B. Quadrilateral ABCD is a rhombus. C. Quadrilateral ABCD is a rectangle. D. Quadrilateral ABCD is an isosceles
asked by Lauren 
physics
a store advertises carpet that costs $ 18.95 per square yard. how much does that carpet cost per square meter?
asked by karla 
Calc
can someone help me get the first and second derviative for X square root 4X^2. For the first derviative I did this by using the equation F(x)g'(x)+g(x)f'(x). After using this my final answer is looking something like X^2/(4x^2)^1/2+ (4x^2)^1/2 I am
asked by Amber 
astronomy
Mars has an albedo of 15. Given that it doesn't have much of an atmosphere, estimate the mean surface temperature on Mars. Note: the semimajor axis of the orbit of Mars is 1.52 AU. (Please enter your answer in units of degrees Kelvin)
asked by vineeth 
astronomy
The red supergiant Betelgeuse has a surface temperature of 3600 K. a) Using the fact that the Sun's surface temperature is about 5800 K and that its continuous spectrum peaks at a wavelength of 500 nm, find the peak wavelength of Betelgeuse's continuous
asked by vineeth 
chemistry
while chloromethane is reactive towards nucleophiles, the Grignard reagent produced from chloromethane is reactive towards electrophiles. explain pl.
asked by and 
Economics
What does it mean to influence government? Why should active citizens participate in government? *Influencing government means to help vote, help choose elected officials, contact representatives, etc. Active citizens should participate because they have
asked by Rose 
Stats
In the last Canadian census, 2.6% of all Ontario residents declared themselves to be Ukrainian ethnic origin. In a recent survey of 500 Ontario residents, 3.1% of people declared themselves to be of Ukrainian ethnic origin. Using the statistical meanings
asked by terry 
History/Economics
What did President Johnson announce to the American people during his television address on March 31, 1968? Select all that apply. He would not seek another term as president. He would further increase U.S. involvement in Vietnam. He would support Senator
asked by Rose 
Maths
A rope is wound 50 times round a cylinder of radius 25cm.How long is the rope?Use the value 3,41
asked by Kudakwashe 
History
What does it mean to influence government? Why should active citizens participate in government? What is the media? Explain how the media can influence government. What is an interest group? Explain how interest groups can influence government, and give an
asked by Rose 
Maths
If zeros of p(x)=2x27x+k are reciprocals of each other,then find the value of me
asked by Anonymous 
English
17. Some people believe that feelings should be nurtured and cherished, while others argue that feelings should be curbed and kept under control. Indicate one poem that demonstrates the desire to restrain emotion and one poem that demonstrates the desire
asked by Nikki 
Science : physics
An electron travels in a circle of radius 6.1 m while under the influence of an unknown magnetic field, directed perpendicular to its velocity. If the particle makes 6.6 trillion complete revolutions per second, determine the magnitude of the magnetic
asked by Zana 
science
A weight of 500kg is suspended by two chains 1.5m and 2.7mrespectively.the chains are attached to a beam that is 3.746m in length. The distance from the suspension to the ground being 900m. A.Calculate the load. B.the vertical and horizontal reactions at
asked by iris 
Chemistry
When calcium iodate is added to water at 25 degrees Celsius, the equilibrium concentration of calcium ion was found to be 0.011M. Calculate the value of Ksp for this salt.
asked by Kelsey 
History
What does it mean to influence government? Why should active citizens participate in government? What is the media? Explain how the media can influence government. What is an interest group? Explain how interest groups can influence government, and give an
asked by Rose 
CALC
can someon help me find the horzontial and verticle asymptotes for x square root 4x^2. For HA someone told me none but I dont understand how and is the VA 2 and 2. Please help and show all work Thank you
asked by Amber 
Math
Through how many radians does the minute hand of a clock rotate in 50 min? In 7 h?
asked by Bhu 
Chem
When 20.0mL of 1.40M solution of calcium nitrate is mixed with 70.0mL of 0.234M potassium iodate, a precipitate Ca (IO3)2 is formed. Calculate the concentrations of both NO3 and IO3 before mixing and after mixing.
asked by Justin 
Chemistry
When 20.0mL of 1.40M solution of calcium nitrate is mixed with 70.0mL of 0.234M potassium iodate, a precipitate Ca (IO3)2 is formed. Calculate the concentrations of both NO3 and IO3 before mixing and after mixing
asked by Justin 
science
a loaf of bread has a mass of 2000g and a volume of 500 cm3. what is the density of the bread
asked by jazmyn 
Analytic Chemistry
Barium Sulfate precipitated from a 1.300 sample was contaminated with 9.4 mg of Fe2(SO4)3 and weighed a total of 314.0 mg. Calculate the apparent % BaSO4 and True % BaSO4
asked by Nacorda 
MATH 123
Darla purchased a new car during a special sales promotion by the manufacturer. She secured a loan from the manufacturer in the amount of $23,000 at a rate of 4.6%/year compounded monthly. Her bank is now charging 6.2%/year compounded monthly for new car
asked by Anonymous 
STATISTICS
A bag contains 5 purple marbles, 7 yellow marbles, and 3 orange marbles. If two marbles are selected from the bag: What is the probability that a yellow then an orange are chosen without replacement.
asked by John 
STATISTICS
Determine which of the four levels of measurement is most appropriate. Heights of survey respondents.
asked by John 
chemistry
sodium chloride has a molar mass of 58.4g/mole. how many grams of sodium chloride are needed to make 500.mL of a 0.0250 molar solution?
asked by alyssa 
math
Study the ways of raising a loan to buy a car or a house. You are required to visit personally two banks at least and ask for the documents required by the bank and the whole process of raising a loan. Describe the whole process in written on project
asked by rogin 
Discrete or continuous help
Identify the given random variable as being discrete or continuous. The number of stories in a specific Manhattan office building.
asked by John