Questions Asked on
January 12, 2019

Social Studies
One cause of the outbreak of World War I was caused by?
asked by history help 
maths
calculate differentiation of cos x to x using first principle of derivative. Find the value of differentiated function , if x = 270°
asked by rajkaur 
Calculus
Use two rectangles of equal width to estimate the area between the graph of f(x) = x  cos(πx) and the xaxis on the interval [1, 5]. Evaluate the function at the midpoint of each rectangle to find each height. a) 8 b) 12 c) 16 d) 20 thank you in
asked by Alice 
math
it takes 3 hours for 10 pumps to pump 40000 liters of water into a farm dam . How long will it take 9 similar pumps to pump 60000 liters of water into the dam?
asked by bloom 
Algebra
Prove if the given functions are inverses by evaluating the composition f(h(x)) or h(f(x)) g(x) = (4/x3) +1 f(x)= (3/x1) 2 How do we go about once we for example plug in the first expression into x in the second expression, in terms of what to do
asked by TWISTED 
Math
Which of these expressions is equivalent to x^4–16? (x^2+4)(x–2)(x+2) (x^2–4)(x^2–4) (x+2)(x–2)(x+2)(x–2) (x^2–2)(x^2–2) I know it is not B or D. But I am not sure if it is A or C. Please help
asked by kylie 
math
Consider a particle moving along the xaxis where x(t) is the position of the particle at time t, x' (t) is its velocity, and x'' (t) is its acceleration. x(t) = t3 − 12t2 + 21t − 9, 0 ≤ t ≤ 10 Find the open tintervals on which the particle is
asked by Anonymous 
History
Why did the United States become involved in Mexico civil war
asked by Anna 
Calculus
Express the sum using sigma notation 1+ 5/6+ 6/8+ 7/10 + 8/12
asked by Maria Please Urgent 
Physics
Hi, A squash ball of mass 0.035 kg hits the wall at speed of 78 m/s and rebounds straight back at 61 m/s. The ball is in contact with the wall for 0.44 s. a) What is the original momentum of the squash ball? 2.73 kgm/s b) Calculate the impulse imparted to
asked by Jenna 
Algebra
What is the property of this equation? 3(x+4)=3x12 Distributive Property Associative Property of Addition Associative Property of Multiplication Commutative Property of Addition
asked by Jim 
Calculus
Find the antiderivative of e^(2lnx) + e^(2x)
asked by Pleaseee 
algebra
Which equation is the standard form of −56x+14x^2=−51? 14x^2−56x+51=0 14x^2+51−56x=0 −56x+14x^2−51=0 14x^2−56x−51=0 I do believe it is A or D, is one of these correct?
asked by kylie 
Chemistry
An industrial raw materials as the following composition by mass : iron = 28.1% chlorine = 35.7% and water of crystalization = 36.2%. Calculate the formula for the material given that Hydrogen is 1, oxygen is 16, chlorine is 35.5 and iron is 56.
asked by Christy 
math
ways decimals are in everyday life
asked by geo 
math
2/3 x=1 1/2
asked by prvite jjjj jjjjjjjjjjj 
Math
Can someone please help me I don't understand this question. The base of a rectangular prism has an area of 1/8 ft2, and the height of the prism is 2/3 ft. What is the volume of the prism?
asked by Correct ✅ 
Math
Log6 1296 3 4 4 6
asked by Joe 
math
A number multiplied by 12 is equal to the sum of the square of that same number and 36. What is that number?
asked by k 
algebra
Look at the system of equations below. If you were to substitute the first equation into the second, what would the result look like? y = 2x  4 x  3y = 7 a).2x  4  3y = 7 b).x  3(2x  4) = 7 c).x  2x  4 = 7 d).x  7 = 2x  4 I really need help with
asked by kylie 
Math
For what values of k will lim as x approaches 3 (x3) / (x^26x+k)
asked by Anonymous 
Social studies
Which of the following arguments could have been used to support the US acquisition of Puerto Rico Guam in the Philippines
asked by Anna 
algebra
Which of these expressions is equivalent to z^8–1? (z^4+1)(z^2–1)(z–1)(z–1) (z^4–1)(z^2–1)(z–1)(z–1) (z^4+1)(z^2+1)(z+1)(z–1) (z^4+1)(z^2+1)(z–1)(z–1) I Think it is either A or C, is one of these correct?
asked by kylie 
Math
If on a scale drawing 100 feet are represented by 15 inches, then a scale of 1/2 inch represents how many feet?)
asked by Belinda 
Math
Write the equation for the parabola that has x− intercepts (1.2,0) and (4,0) and y− intercept (0,12).
asked by ( ͡° ͜ʖ ͡°) 
math
Find f(x) if it is known that f(x+3)=4x+12
asked by Anonymous 
math statistics
IQ scores in the US population have an average of µ = 100 and a standard deviation of σ = 15. Suppose a researcher wanted to test whether socioeconomic status (SES) has an effect on IQ scores. The researcher takes a random sample of n = 100 people,
asked by gloria 
Math
Find all vertical and horizontal asymptotes for the graph of y=lnx/lnx1
asked by Anonymous 
Math
6/5 ÷ ◻️ = 6
asked by Ava McDonald 
language arts
what are the key characteristics of a refrain in poetry?
asked by Aurora 
Social studies
How did yellow journalism create support for the Spanish American war where is it by writing articles about the political pull up popularity of President McKinley McKinley already are articles about the effort of the United States to control Cuba by
asked by Anna 
Maths
In how many ways can 5 boys and 4 girls be arranged on a bench if (a) a boy and a girl wish to stay together (b) 2 boys wish to stay together (c) 2 girls wish to stay together
asked by Ande2 
science
a conductive sphere of radius r in space of electric potential v give the expression of the charge
asked by lifanje 
Math
Definition of Derivative Question lim as h approaches 0 square root of (16+h)  4 / h
asked by Anonymous 
Calculus
Find f'(0.5) for f(x)=f on the top "x" on the bottom "0" Arc tan(t)dt
asked by Maria 
Math
What is the slope of the tangent for the function h(x)=sin(e^lnx) at x=1/pi
asked by Anonymous 
calculus
Determine whether y is differentiable at x=0 . If it is differentiable, find the derivative at x=0 . y = {x if x0} y' = ( 1 if x0) Yes , it is differentiable at 0. Is the derivative at x=0, 1?
asked by Anonymous 
Maths
The product of two numbers is 21 and their sum is 10, what are the numbers
asked by Creeda 
Math
A study is planned to compare the blood pressure lowering effect of two medications (drug A and B) in patients with elevated systolic blood pressure. Drug A is a newly developed medication lowering the elevated SBP and drug B is a commonly prescribed
asked by Brent 
Calculus
Find the value of f on the top "9" on the bottom "1" x^2dx using four rectangles of equal width, with each left endpoint used to find the height of each rectangle. a) 2(1+9+25+49) b) 2(9+25+49+81) c) 0.5(1+9+25+49) d) 0.5(9+25+49+81)
asked by Alice 
Maths
Solve the following pairs of equation x3y is equal to 1
asked by Creeda 
math
1.A square lot is to be planted with santan plants all around.The side of the lot measures 10 m.If plants will be planted 20 cm apart,how many plants must be planted in all?
asked by jocelyn 
Social studies
How do yellow journal nice create support for the Spanish American war
asked by Anna 
math
boat travels 280 m in a time of 120s. WHAT IS THE BOATS VELOCITY
asked by kathleen 
math
the cost price of16 books is equal to the selling price of 30 books.Find the gain%?
asked by Neha 
Bias
How is this article biased : Google  Huffington post " YouTube’s Cool With Monetized Videos Promoting A Gambling Scam To Kids " And what Bias does it use because I cant figure it out.
asked by Civics 
Static Mechanics
How to cut the middle member in a k truss (>
asked by Buma