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Erik

Questions (58)

24 more than twice malik's height
1. 1 answer
2. 275 views
Which statement about carbon atom is true?
1. 1 answer
2. 277 views
what reference source would be the best to find the current population of a place other then the web?
1. 2 answers
2. 272 views
A 75.0-kg person stands on a scale in an elevator. What does the scale read (in N) when the elevator is at rest? What does the
1. 3 answers
2. 14,001 views
Use midpoints to approximate the area under the curve (see link) on the interval [0,1] using 10 equal subdivisions.imagizer.imag
1. 5 answers
2. 4,601 views
Demonstrate that the proyection of a vector U over a vector V is parallel to the vector the vector U.I used the formula of
1. 1 answer
2. 467 views
Using the binomial theorem, Find the first three terms in the expansion of (x^2+2y^3)^20
1. 1 answer
2. 1,644 views
A 56 kg student is standing atop a spring in an elevator that is accelerating upward at 3.5 m/s^2. The spring constant is 2300
1. 0 answers
2. 565 views
Walmart sells a case of 24 cans of diet coke for $6.88. Publix sells a 12 pack of diet coke for $3.99. Which is the best buy?I
1. 6 answers
2. 1,997 views
You mix 8 tablespoons of hot sauce and 3 cups of salsa in a green bowl. You mix 12 tablespoons of hot sauce and 4 cups of salsa
1. 1 answer
2. 1,014 views
There is a football field and the length shows 120 yd and the width is 53 1/3 yda. What are the dimensions of a football field
1. 18 answers
2. 6,111 views
Which container holds more, a half-gallon milk jug or a 2 liter juice bottle?My answer: 1 gallon=3.79 liters 3.79 liters/2=1.895
1. 4 answers
2. 4,605 views
What was family life like in Indian society?Please help.
1. 4 answers
2. 578 views
The Aryans were made up of different groups of people. However, in what way were they alike?I am having a lot of trouble
1. 2 answers
2. 639 views
I need to practice writing summaries and small essay for my 9 week exam and I am not very good at writing summaries or essays.
1. 3 answers
2. 804 views
Demetria is tiling a square area of her bathroom floor. For every 13 white tiles used, she wants to use 12 gray tiles. Draw a
1. 4 answers
2. 1,298 views
How many factors do the number 8 and 9 have in common?I got, 8:1,2,4,8 9:1,3,9 My answer: 1 Can you please check my answer to
1. 3 answers
2. 530 views
The quotient of two numbers is 46. The difference of the two numbers is 45. What are the two numbers.
1. 1 answer
2. 442 views
Carbonic acid forms when carbon dioxide dissolves in water. A typical can of soda contains a 0.120 M solution of CO2. Assuming
1. 1 answer
2. 746 views
Find the derivative of f(x)=(2x)^(1/2)ln(15x)
1. 0 answers
2. 389 views
Find the derivative of y=(2*x^(3/2))/(x^2+5)
1. 1 answer
2. 430 views
A baseball diamond is a square 90 ft on a side. A player runs from first base to second base at 15 ft/sec. At what rate is the
1. 0 answers
2. 1,397 views
Given dy/dt=4y and y(2)=400. Find y(7).
1. 1 answer
2. 427 views
A rectangular recreational field needs to be built outside of a gymnasium. Three walls of fencing are needed and the fourth wall
1. 2 answers
2. 5,808 views
The steel I-beam in the drawing has a weight of 5.22 × 103 N and is being lifted at a constant velocity. What is the tension in
1. 0 answers
2. 662 views
A ball starts 1.175 meters off the ground and shot at an angle of 40 degrees with a velocity of 3.2 m/s. Where does it land?
1. 1 answer
2. 374 views
You complete 3centimeters of a necklace in an hour. Each hour after the first, you triple the length of the necklace. Write an
1. 17 answers
2. 2,653 views
Find and express the results in polar form for the following:z = 2(e^(-jω) - e^(j7ω)), where ω = omega j is the math
1. 1 answer
2. 550 views
In the sentence - "Tom could see the anger in Mr. Adams' face."is "Mr. Adams' face" a compound noun? I know Mr. Adams' is a
1. 3 answers
2. 683 views
10 mL of 0.0100 M HCl are added to 25.0 mL of a buffer solution that is 0.010 M HC2H3O2 and 0.1 M C2H3O2-. What is the pH of the
1. 1 answer
2. 467 views
On a Christmas package, Audrey needs to use only 40-cent stamps and 16-cent stamps. If she uses twice as many 40-cent stamps as
1. 1 answer
2. 491 views
Lead (Pb) concentrations were measured in waterfowl eggshell samples from two locations. In n1 = 41 samples from a location
1. 1 answer
2. 498 views
Lead (Pb) concentrations were measured in waterfowl eggshell samples from two locations. In n1 = 41 samples from a location
1. 1 answer
2. 412 views
5.00 ml of 1.90M HCl is diluted to 0.400l. calculate the pH of the HCl?
1. 1 answer
2. 424 views
Suppose that a given population of trees have an average height of 10.2 ft and astandard deviation of 1.3 ft. Find the
1. 1 answer
2. 469 views
In the number 22! determine the largest prime factor.
1. 1 answer
2. 533 views
Ok so i looked at it and tried to figure out the conj. base and acid. Are these right?1) S2-(aq) + HCl(aq) <=>Cl1-(aq) +
1. 1 answer
2. 1,085 views
Ok so for question I have to state whether the element/compound is an acid, base, conjugate acid or conjugate base. Can u please
1. 1 answer
2. 837 views
A sequence of four integers is both arithmetic and geometric. if the sum of the four numbers is 20, find the first integer in
1. 1 answer
2. 525 views
if four individuals share $270 in the ratio of 1:1:2:5, how much is the lagest share?
1. 1 answer
2. 346 views
Three identical masses of 640 each are placed on the x axis. One mass is at = -100 , one is at the origin, and one is at = 400 .
1. 1 answer
2. 787 views
A car goes around a curve on a road that is banked at an angle of 32.5 . Even though the road is slick, the car will stay on the
1. 2 answers
2. 778 views
Verify Identity:cos5x-cos3x=-8sin^2x(2cos^3x-cosx)
1. 1 answer
2. 550 views
Maya Angelou - I Know Why the Caged Bird SingsWhat Maya Angelou means by the title of her autobiography.? Please Help if you can
1. 1 answer
2. 1,505 views
Suppose that heights of newborns are bell shaped with a mean of 6.8 pounds and a standard deviation of 1.3 pounds. What
1. 1 answer
2. 491 views
Suppose that heights of newborns are bell shaped with a mean of 6.8 pounds and a standard deviation of 1.3 pounds. What
1. 1 answer
2. 778 views
Suppose the mean height of a population is 65 inches with a standard deviation of 1.5 inches. What is the z value for a height
1. 1 answer
2. 731 views
Im stuck on this question.The unusual aspect of functional group replacement of an alcohols hydroxyl group by chlorine by
1. 1 answer
2. 545 views
I cant figure this question out. I could use some help.Solve for x lnx-lnx^2+ln5 = 0 Simplify the answer
1. 1 answer
2. 537 views
Please help me interpret this-I'm in 8th grade and I don't have any idea:What is the main idea? Read the following quote from
1. 5 answers
2. 974 views
A circular water stain on your home ceiling had a diameter of about 4 inches across on Monday at 8 A.M. On Tuesday at the same
1. 0 answers
2. 564 views
A ray of light goes from water (nwater=1.333) into ice (nice=1.309).Which of the following statements is true? 1) The ray gets
1. 3 answers
2. 714 views
What is radiation?
1. 4 answers
2. 349 views
Why might it be worse to get an infection from someone in the hospital than from someone on a bus?is it because how bad the
1. 2 answers
2. 510 views
Judy and Ramey together have 42 stuffed animals. Judy has 12 fewer animals than Ramey. How many stuffed animals does each girl
1. 6 answers
2. 420 views
what causes water to leak after you've replaced the wax ring on the toilet?
1. 1 answer
2. 422 views
can anyone give me a site from which I can learn educational things, it can be game types of sites, I don't mind that as long as
1. 0 answers
2. 521 views
I am in need for a funny joke which I need to add in my skit. Please give me your ideas, and with them I will try to make mine,
1. 4 answers
2. 469 views

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