Questions Asked on
April 1, 2018

Scince
suggest and explain what happens to the movement of sugar in winter when a tree has no leaves
asked by Ali 
Geometry
parallelogram ABCD: Angle BAC = 35 and angle BCA = 20 How can I find the measure of angle BAD and the measure of angle ABC?
asked by Z 
Math
Nine boxes contain cans of different weights. How could you redivide the cans so each box weighs the same? There is 1 box with cans and the box weights ⅓, 1 box weights ⅔, 2 boxes weights 1⅓, 2 boxes weights 2⅔, and 3 boxes weights 3 pounds.
asked by Ana 
math
Given that ab = x, evaluate the following a^b+2
asked by jim john 
physics
The figure below shows a cubical box that has been constructed from uniform metal plate of negligible thickness. The box is open at the top and has edge length L = 39 cm. (a) Find the x coordinate of the center of mass of the box. (b) Find the y coordinate
asked by ATT 
algebra
i'm really confused about if 0.123333... is A) rational number B) irrational number C)integer,rational number D)whole number, integer,rational number can somebody help me please thank you
asked by hannah 
CHEMISTRY
What mass of aluminium nitrate (Al(NO3)3) would be required to prepare 2.000 L of a 0.0160 M aqueous solution of this salt?
asked by Anonymous 
Math: Trigonometry
Sec^2(u/2)=(2sec(u))/(sec(u)+1)
asked by Dax 
math
Danny and Erica are 3km apart on a straight road. They set out to walk uniformly at the same time. If they walk in an opposite direction, they will meet after 24 minutes. If they walk in the same direction, Danny will catch up to Erica after 6 hours. Find
asked by anonymous 
Geometry
rectangle FGHK The length of FH is 9 cm. What is the length of GK? C is the center of the rectangle 4 is the height 4.5 measure from F to C 4.5 from H to C
asked by Z 
AP Chemistry
The reaction of the molecules to produce ethane is C2H4(g) + H2(g) ÃƒÂ¢Ã¢â‚¬Â Ã¢â‚¬â„¢ C2H6(g). A mechanism for this reaction is shown below: (The figures show how the ethene molecule with two hydrogen molecules attached 'binds' to
asked by Sophie 
physics
A rocket engine consumes 450 kg of fuel per minute. If the exhaust speed of the ejected fuel is 5.2 km/s, what is the thrust of the rocket?
asked by att 
physics
At the instant a 2.0kg particle has a velocity of 4.0 m/s in the positive x direction, a 3.0kg particle has a velocity of 5.0 m/s in the positive y direction. What is the speed of the center of mass of the twoparticle system?
asked by ATT 
Math
Determine the point of intersection between a circle (x+2)^2 + (y2)^2 =1 and the parabola y=(x+2)^2 +3.can anyone please outline the steps to solve it I have tried solve by substitution but I get Stuck
asked by Star 
Algebra
Gina plant a tree of 1m tall when she was in 1st grade, the tree grow 1% every month continuously. How tall will the tree be when Gina graduates?
asked by Elizabeth 
Geometry
What is the area of the circle? This is for Connexus plzzzzzzz help.
asked by Hey 
English
1. Books are expensice. 11. Books in general are expensive. [Is this explanation correct?] 2. The books are expensive. 21. The specific books are expensive. [Is this explanation correct?] 3. The books in this library are expensive. 31. All the books in
asked by rfvv 
physics
Water flows at 0.58 m/s through a pipe 11 cm in diameter when the pressure is 450,000 Pa. Determine the water velocity & the pressure in the pipe if it shrinks down to 5 cm in diameter. You can assume that the pipe is horizontal & ρwater = 1000 kg/m3.
asked by help! 
Physics
Suppose a straight 1.50 mm diameter copper wire could just "float" horizontally in air because of the force due to the Earth's magnetic field B, which is horizontal, perpendicular to the wire, and of magnitude 3.0×10−5 T . What current would the wire
asked by Jeff 
Chem
Is this correct How many grams of C2H5OH are used up when 6.25 grams of O2 react according to the following equation? C2H5OH + 3O2 → 2CO2 + 3H2O 6.25 grams of O2 6.25 / 32 moles = .195 moles The equation requires 1 mole of C2H5OH for every 3 moles of O2.
asked by Anonymous 
Business Calculus
Let logb 2=2.217 and logb 3=3.417. Find logb 3b Please walk me through this steo by step.
asked by Josh 
Math
What is 7x+3=77
asked by Ron 
Math
A function has f’’(x) = 10 and has f’(4) = 0 and f(2) = 4. Find f(x)
asked by Adam 
Calculus
Suppose the annual revenue for a company between 2000 and 2005 is approximated by R(t)=18t^2+4t+3, where t=0 represents the year 2000.(a)Find the Average Value of R(t) between t=1and t=6. (b)Find the Average Rate of Change of R(t) between t=1 and t=6.
asked by Shane 
Calculus
A rectangular prism has a square base and the height of the prism is twice the length of each edge of the base. If the edges of the square base are increasing at a rate of 3 in/min. At what rate is the volume of the rectangular prism increasing when the
asked by Bobby 
Calculus
Suppose the population of a colony of ants grows at the rate: P’(x) = 1 + 5/sqroot(t+1) If there are 250 ants after 120 hours, what was the population at t=0?
asked by Shane 
Math
What is the area of a rectangle with 4.5 for diagonals and 4 for width
asked by Anonymous 
Math Business Calc.
Uninhibited Growth Model. This is an example problem from the book and need help figuring it out? a) If $3500 is invested in an account that pays 5% interest compounded continuously, how long will it take to grow to $7000. b) How much money will the
asked by Adamm 
Calculus
A function has f’’(x) = 10 and has f’(4) = 0 and f(2) = 4. Find f(x)
asked by Dylan 
Literacy exam
What is expanded academic ASAP and what does it do
asked by Collins 
geography
Porto Alegre, Brazil and Coquimbo, Chile are both near 30 degrees S latitude. Are both of them the same degrees from the equator?
asked by Anonymous 
math
√45 i dont understand the answer = 3√5 Using Least common multiple 3 __45___ 3 __15___ 5 why not 5 √3 i know that √45 could be √9x5 = 3√5
asked by Anonymous 
american government
I need an article that talks about Democratic views on foreign policy. I cannot find any good ones.
asked by huncho jack 
Algebra
1 supersized cone for $8 or 4 regularsized cones for $5. The large cone is has a radius of 5 inches and a height of 12 inches. Each of the 4 smaller cones have a radius of 2.5 inches and a height of 6 inches. Which holds more ice cream? the 1 big cone? or
asked by Anonymous 
Circuits2
an impedance coil draws an apparent power 50volt ampere and an active power of 40 watts solve for q factor
asked by Student 
Math
What is the initial fee and cost per hour to hold a banquet at the Tea Room?
asked by Alihan Haidov 
maths
Question #1  I dont understand the last step which is = (3a +1) √a √9a^3 + √a = √9 √a² · a + √a = 3√a² · √a + √a = 3a√a + √a = (3a +1) √a Question #2  again I dont understand how from√9² x² + 9² to √9² (x² +1)
asked by Anonymous 
calculus
A new car lists for $16,640 and depreciates by 25% per year. Find its value after the following amounts of time. (Round your answers to the nearest dollar.) 4 years_______ 6 Months________
asked by Anonymous 
Chemistry
Is the molecular weight of O2 15.999u or 32?
asked by Anonymous 
math
Steve is painting every room of his house the same color. For every 3 walls he paints, he needs 1/4 of a can of green paint. How many cans of paint will he need to paint 10 walls?
asked by off 
Math
PLEASE HELP PLEASE Does the series diverge or converge? How do you know? 3+6+12+24+...
asked by Anon 
Math
what are the coordinates of the center and the measure of the radius for a circle whose equation is ( x  8)^2 + (y + 4)^2 = 12
asked by Z 
Materials Science and Engineering
In the figure below, Intrinsic carrier concentration is given as a function of temperature for Ge and Si. By using the data in this figure calculate the band gap of these materials. For both materials find the energy difference between the Fermi Energy
asked by hewhomustbenamed82 
CHEMISTRY 122
The spectrophotometer was used to measure the abosrbance of each of a series of [FeSal]+ solutions. A standard curve was constructed by plotting the absorbance vs. concentration (M). The slope and yintercept were found to be 1517 M1 and 0.001,
asked by Julie 
MATH
Fine the real and imaginary part of 6i/(2i)²
asked by Patrick 
MATH
If α and β are the root of the equation 2X²7X3=0 Find α/β+1 + β/α+1 Working answer please
asked by Patrick 
Math .. qustn repost
If α and β are the root of the equation 2X²7X3=0 Find α  + 1 + β β  + 1 α
asked by Patrick 
Chemistry
Can someone help me with this? I was using deltarG = deltarH  T deltarS. I found delta H= 62438 j/mol and delta S =. 144.555 j/ mol k Calculate ΔrG for the sublimation of iodine gas at 298 K when the iodine vapor is at a pressure of 0.0500 bar
asked by Amber 
Calculus
Find dy/dx for implicit differentiation y^2xy+x^2=7
asked by Vera