Questions Asked on
March 24, 2019

Physics
A 25g ball slides down a smooth inclined plane. 0.850m high, that makes an angle of 35 degrees with the horizontal. The ball slides into an open box of 200g mass and they slide off the end of the table 1m high. How far from the base of the table will the
asked by Lory 
physics
a copper calorimeter of 100g mass containing 200g of water was used. The thermometer contained 0.8 centimeter cube of mercury and 3 of glass. what error is introduced by neglecting the heat capacity of the thermometer?
asked by cho 
Social Studies
The governments of most Central Asian countries today can best be characterized as democracies
asked by dori 
Social Studies
(1) The Renaissance shifted the direction of learning to reflect the ideals of ________________. A. Humanism B. Revolution C. Conservatism D. Communism (2) What incentive did Spanish explorers have for settling the Caribbean islands? A. Spices and skills
asked by HiðŸ˜± 
Social Studies
What has been a result of protests in Central Asia and the Caucasus such as the protests in Kyrgyzstan? A. Protests have ended corruption throughout the region. B. Protests have failed to lead to positive results.++ C. Some protests have led to greater
asked by dori 
History
If you had been a united states citizen in 1807, would you have supported war against Great Britain after the attack on the Chesapeake?
asked by Tr0ller6000 
Math
1. Compare using , or =. 1 point 15 _______ 21 A. C. = 2. Which number is greater than â€“24. 1 point A 42 B 27 C16 * D 32
asked by OwO 
math,calculus
A clock has a minute hand that is 8 inches long, and an hour hand that is 6 inches long. How quickly is the distance between the tips of the two hands changing at 3 pm?
asked by Mike 
Science
Solid cupric chlorate decomposes with heat to give cupric chloride and oxygen gas. Express your answer as a chemical equation. Identify all of the phases in your answer.
asked by first 
Science
A steel ball A of mass 20.0 kg moving with a speed of 2.0 msâˆ’1 collides with another ball B of mass 10.0 kg which is initially at rest. After the collision A moves off with a speed of 1.0 msâˆ’1 at an angle of 30Âº with its original direction of motion.
asked by Kalash 
Math
1. Georgie wants to make a cake. She needs to use 2L of milk for each tier. If she has 6 tiers how many liters of milk does she use? A. 12 **** B. 64 C. 6 D. 2 Part 1. Angle makes 17 braclets for her friends. Each braclet uses 21 beads. If Angle wanted to
asked by Likewhat?! 
math
if 3 dozen cookies cost $9,what is the cost per cookie?
asked by jayla 
Chemistry
Calculate the number of moles of magnesium, chlorine, and oxygen atoms in 6.10 moles of magnesium perchlorate, Mg(ClO4)2.
asked by Landis 
Maths
OABCDE is a right triangular prism with OA = 2units , OD= 2units and AB = 4 units. The unit vectors i,j and k are parallel to OA,OD and OC respectively. a) Find the unit vector parallel to DB.
asked by Dani 
Chemistry
How many moles of oxygen are needed to react with 170 g of hydrazine?
asked by Tim 
Physics
A man pulls a drum of oil 10kg upon an inclined plane OA.if OA=5m and AB=3m as shown below in a triangle. Calculate the A the potential energy at A and workdone by the man.
asked by Anonymous 
Chemistry
Data Electrodes: V Electrolyte: V(NO3)2 Amps: 6.0 Time (mins): 800 1. Calculate the charge in coulombs that passes through the cell during electrolysis. 2. What is the anode and cathode reaction of this cell? 3. Calculate the mass of metal deposited on the
asked by Isabella 
math
A ball is thrown vertically upward from the ground with an initial velocity of 110ft/sec. Use h=âˆ’16t2+v0t+h0 I have no idea what i am doing
asked by amber 
Physics,Science
Two point charges Q1 = 10Âµc and Q2 = 2Âµc are arranged along the xaxis at x = 0 and x =4m respectively. Find the positions along the xaxis where v = 0
asked by Mike 
Organic Chemistry
What is the order of reactivity from fastest to slowest in an SN2 reaction for the following substrates? a. tbutyl bromide b. isopropyl bromide c. neopentyl bromide d. ethyl bromide e. methyl bromide So far have methyl bromide> ethyl bromide> neopentyl
asked by Rob 
Science
We're studying input, outputs and side effects of systems right now. One of the questions we were given is "What are two inputs of a healthcare system? What are two outputs of a healthcare system? What are two secondary/side effects of a healthcare
asked by Anonymous 
math
The length of a rectangle is 4 times the width. The area is 900 square centimeters. Find the length and width of the rectangle
asked by keirstin 
English
Hey, does this forum allow for drafts (~800 words in my case) to be submitted and proofread for grammar mistakes, structure, etc.?
asked by Anonymous 
math
Robert needs to cut four shelves from a board that is 2.5 meters long. The second shelf is 18 centimeters longer than twice the length of the first shelf. The third shelf is 12 centimeters shorter than the first shelf. The remaining shelf is 4 centimeters
asked by ella 
Math
Every Saturday, Greg walks 2 1/4 miles to the park to play basketball with friends. He walks 2/3 of this distance when he walks to school. How far does Greg walk to school?
asked by Tina 
math
The difference between two positive integers is 3. If the smaller is added to the square of the larger, the sum is 417. Find the integers
asked by keirstin 
math
One integer is 5 less than another. The sum of their squares is 157. Find the integers.
asked by keirstin 
Algebra
are the answers correct? evaluate the value of the following trig functions 7. sec 54Â° 23â€™ answer: 1.051 8. cos 36Â° 10â€™ answer: 1 9. cot 35Â° 21â€™ 45â€™â€™ answer: 3.732
asked by anonymous 
health
what type of muscle is only found in one place in the body
asked by sue 
English
After they heard the winner announced, Gregâ€™s friends congratulated him. Then teased him to take them out for pizza. Help with sentence structure please
asked by Erica 
science (joint probability)
A certain system can experience three different types of defects. Let denote the event that the system has a defect of type i. Suppose that P(A1) = .12 P(A2) = .07 P(A3) = .05 P(A1âˆªA2) = .13 P(A1âˆªA3) = .14 P(A2âˆªA3) = .10 P(A1âˆ©A2âˆ©A3) = .01 a. What
asked by majido 
Algebra
Describe how the graph of y = x^2 + 1 differs from y = x^2. Then find the axis of symmetry and the vertex.
asked by Connor Steelwood 
math
The length of a rectangle is 5 times the width. The area is 720 square centimeters. Find the length and width of the rectangle.
asked by amber 
Math
Mr Graham buys clay for the art class in 25pound blocks. He gave out a total of 15 pounds of clay to a class of students for a project. Each student got 1/2 pound of clay. How many students are in the class?
asked by AC 
math
Kendra has a painting canvas that is 20 inches wide by 38 inches high. She painted a red rose, which covered 40% of the canvas. What was the area of the canvas which was covered by the red rose?
asked by jeremias 
math
One integer is 2 less than another. The sum of their squares is 34. Find the integers.
asked by keirstin 
algebra
USE THE VARIAble j to represent jenny age one more than the product of 23 and jennys age
asked by trinidi 
Chemistry
Why must a hole be made in the aluminium lid
asked by Allan 
Science
A ray of light hits a mirror at 27 from the normal what is the angle between the reflected ray and normal
asked by Anonymous 
Math
15. A scale model of a building is 5 inches wide by 7 inches long. If the scale is 1 in.:15 ft, how long is the building?
asked by Miyah 
math
Canadian soldiers are practicing maneuvers in the Arctic, and all soldiers are starting at the same location. Platoon 1 is ordered to maintain their present location, Platoon 2 is ordered to march due north 1000 m, and Platoon 3 is ordered to march 800 m
asked by A 
Algebra
Maizie earns a base salary of $200 per month and 8% commission on all sales she makes. Maizie's monthly pay in dollars can be calculated by using the equation P = 0.08s + 200 if she sells s dollars of merchandise.
asked by Willie 
Probability
Find the indicated probability given that Z is a random variable with a standard normal distribution. (Round your answer to four decimal places.) P(0 â‰¤ Z â‰¤ 0.33)
asked by eb 
math
mr williams bought a plot of land for 40,000. the value of the land appreciated by 7% each year. calculate the value of the land after a period of two years
asked by melesia 
Chemistry
Is there any difference between oxalic acid and oxalic acid dihydrate? Is there difference in their molar mass? Is the molar mass of any substance always g/mol no matter the substance?
asked by Nsp 
chemistry
A certain volume of mass A recquired 120 seconds to diffuse out.An equal volume of oxygen recquired 85 seconds to diffuse out under the same conditions.what is the relative molecular mass?
asked by Anonymous 
math
how to find two consecutive positive even integers such that the square of first increased by 2 is equal to 3 times the second.
asked by james 
math
how much more will pewdipie have in a monthh if he gets 250 a day
asked by Swayam Shashikumar 
math
ou are a pirate captain trying to determine how long it will take you to get to an island where you expect to find buried treasure. You are heading due North, toward the island. 60Â° West of North, you spot a light house. According to your sea chart, the
asked by A 
Math
A kite, 135m higher above the ground has a string 200m long.Determine the angle formed by the string and the ground.
asked by Carrie 
maths lit
Can I become a paramedic while I'm doing maths lit?
asked by Nomfuneko 
MATH
ONE MORE THAN THE PRODUCT OF 23 AND JENNYS AGE
asked by trinidi 
Math
The numbers 2,p and q are consecutive terms of a GP, and the numbers p,30 and q are consecutive terms of an AP. Find the possible values of p and q
asked by Jimmy 
Maths : Vectors
1) The position vectors of A and B are OA= i+2j+k and OB = i+bj+k respectively. a) Find ,in terms of b, the unit vector in the direction of AB b) Given AB = 2, find the value of b.
asked by Rachel 
physics
the velocity ratio of a machine is 4
asked by mustapha 
PHysics
WHy is the expression thrown off a bad one?
asked by Tokuma