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Christine
Questions (266)
A) A rectangle has perimeter 64 cm and area 23 cm^2. Solve the following system of equations to find the rectangle's dimensions.
1 answer
1,702 views
The dimensions of a gift box are consecutive positive integers such that the height is the least integer and the length is the
1 answer
3,516 views
I just have a quick question regarding this question:
Simplify. State any restrictions on the variables.
2 answers
678 views
How bright a star appears can depend on how much light the star actually emits and how far away it is. The stellar magnitude
1 answer
1,024 views
The path around a square flower bed is 3 feet wide. If the area of the flower bed is equal to the area of the path, find the
1 answer
721 views
What are ten scientific facts found in Jurassic park? Include page numbers for reference.
2 answers
446 views
what are the consequences if payroll information is not entered precisely?
1 answer
366 views
A long distance swimmer is able to swim through still water at 4km/hr. She wishes to swim from Port Angeles, WA due north to
1 answer
1,158 views
Why isnt an ant suture not a good idea?
3 answers
389 views
Does the null hypothesis for a nondirectional alternative hypothesis differ from the null hypothesis for a directional
1 answer
804 views
Why is it important to know the possible errors we might make when rejecting or failing to reject the null hypothesis?
2 answers
608 views
A student is taking a multiple-choice exam with 16 questions. Each question has five alternatives. If the student guesses on 12
2 answers
2,358 views
I thought I was understanding this but I am really not sure about the symbols.
Does the 3*(13/20)^2*(7/20) translate to 3 times
1 answer
594 views
you have 8 blue marbles, 7 red marbles, and 5 green marbles. What is the probability of obtaining at least 2 red marbles in
4 answers
836 views
solve the following differential equation:
y' + (y)tanh(x) - 2e^x = 0
1 answer
468 views
What is the median in the following set of values?
4, 7, 19, 22, 27, 39, 47
1 answer
411 views
Can you tell me the z score for the following numbers?
10, 12, 16, 18, 19, 21. Thanks, I am getting the wrong answer each time I
1 answer
485 views
how can i write really good song lyrics? i suck at writing! can someone help or better yet, give me a verse to work with? thnaks
3 answers
565 views
When calculating percentiles, ie the 33rd percentile, do you use the lower limit of the group that contains the 33rd
percentile?
2 answers
535 views
Radius of the circle: ((X-4)^2)+((y+2)^2)-81=0
2 answers
325 views
What is the vertical asymptote of the function: f(x)= (X+5)/((X^2)-12X+36)
1 answer
358 views
A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. It takes 2.90
1 answer
928 views
The portion of string between the bridge and upper end of the fingerboard (the part of the string that is free to vibrate) of a
0 answers
996 views
What processes must a stone undergo if it is to be made ready for use in jewelry?
1 answer
851 views
I need help writing a procedure for my Earth Science class. Our teacher gave us 5 minerals and told us 5 mineral names, but we
0 answers
1,208 views
How can I re-write this sentence? Each advisor was contacted by his students.
Assignment: Inclusive Language:Making Language
0 answers
501 views
Discount Hardware Wishes to expand its business and has borrowed $200,000 from the Toronto Dominion Bank. As a condition for
0 answers
1,190 views
Gorries Bearing Company makes all sales of industrial bearings under terms of FOB shipping point. The Company usually receives
0 answers
534 views
On a recent trip to Brazil, Carlo degas, sales manager of cyber systems, took his along for a vacation and included her airfare
0 answers
805 views
John Sullivan owns appartments buildings in Nova Scotia, New Brunswick, and Quebec. Each property has a manager who collects
0 answers
510 views
1) What is the relationship between an ecozones GDP and area?
2) What is the relationship between an ecozones GDP AND population?
1 answer
621 views
Write a net ionic equation for the reaction of the aqueous species ammonia and hydrofluoric acid.
I don't think mine is coming
1 answer
2,448 views
How many electrons are transferred in the reaction of hydrogen peroxide with iron (II) ion in
acidic solution to form iron (III)
1 answer
496 views
In the reaction of hydrogen peroxide with iron (II) ion in acidic solution to form iron (III) ion and water,
the oxidizing agent
2 answers
2,927 views
i posted this question previously and got help however im still having some confusion. can u clarify ?
what's the pH of the acid
0 answers
527 views
What is the pH of the solution created by combining 1.00 mL of the 0.10 M NaOH(aq) with 8.00 mL of the 0.10 M HCl(aq)?
with 8.00
0 answers
627 views
how much .10M Base (in mL) is needed to neutralize 8.00mL of .10M Acid?
base- NaOH, acid- HCl, base volume (mL)- ? base- NaOH,
0 answers
1,156 views
what's the pH of
the acid HCl with concentration of .15? the acid HC2H3O2 with concentration of .15? I figured out the pH of HCl,
1 answer
584 views
find eq constant at 910K. CCl4 (g)--> <--CCl4(l)
given: Gf CCl4(g)= -53.7 Gf CCl4(l)= -68.6 G Products - G reactants = Delta G.
0 answers
608 views
Are the commas a correctly placed?
1. The term hardware refers to the computing equipment, itself. 2. The year, 1975, marked the
1 answer
627 views
calculate the molarity of k+ in a soln prepared by adding .2L of .200M K3PO4 and 75.0mL of .5M K3PO4. assume volumes are
0 answers
700 views
A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium
0 answers
807 views
The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an
0 answers
672 views
Briefly explain the following:
(a)Economic cost and accounting cost. (b)Free market economy and mixed economy. (c)Marginal
0 answers
670 views
what is meant by persuasive communication?Explain breifly
I've clicked through a few and have only seen what seem to be a lot of
0 answers
990 views
The act of communication is best understood as one that has social implications.Explain briefly
Please note that <b>we don't do
0 answers
528 views
First of all, thank you SO much for clarifying my question! It is part of an overall essay topic that I can't figure out how to
0 answers
622 views
What was so bad about pools in the late 1800's? I understand what they were but they were banned by the government in the
0 answers
482 views
The rate law for the reaction
2NO (g) + Cl2 (g) -> 2NOCl (g) is given by rate = k[NO][Cl2] A mechanism involving the following
4 answers
4,012 views
You inherit $18750 but the conditions are that for the first year, the money must be invested in two stocks paying 10% and 11%
0 answers
469 views
does tofu have any naturally occuring bacteria in it? When I incubated the tofu juice, a white bacteria grew, but I can't find
0 answers
702 views
What is the role of energy in physical changes?
Please and thank you!!!
0 answers
367 views
I have a few questions.
1. write the net ionic equation for a precipitate when solutions of magnesium nitrate and potassium
0 answers
983 views
A rocketship, travelling away from earth with a speed of 0.8c, sends regular radio signals which are received on Earth every
0 answers
480 views
Four roommates are planning to spend the weekend in their dorm room watching old movies, and they are debating how many to
0 answers
1,300 views
You have just located a nucleolus in the nucleus. You are able to excise this area of the genome and express the genes of this
0 answers
499 views
Because codons are triplicates, there are ______ possible nucleotides combinations that could make a codon; each giving rise to
0 answers
682 views
Please help me out with this:
You have just located a nucleolus in the nucleus. You are able to excise thsi area of the genome
0 answers
613 views
please correct this sentence:
A)HOPEFULLY, we B)WILL BE able to complete the building C)BEFORE the rainy seas sets D)IN. E)NO
0 answers
771 views
please correct this sentence:
the reason i A) WILL not be going to mexico is C)BECAUSE i will use up all my money D)IN ATTENDING
0 answers
698 views
If a and b are positive integers and their product is 3 times their sum, what is the value of 1/a + 1/b?
Given that ab = 3(a +
1 answer
2,669 views
there are 12 men on a basketball team, and in a game 5 of them play at any one time. if the game is 1 hr long and if each man
1 answer
2,851 views
if A (2, -1) and B (4,7) are endpoints of a diameter of a circle, what is the area of the circle?
a)16pi b) 17pi c) 18pi d)144pi
0 answers
763 views
two cylindrical tanks have the same height, but the radius of one tank equals the diameter of the other. if the volume of the
1 answer
1,464 views
if anthony had 3 times as many marbles as he actually has, he would have 1/3 as many marbles as Billy has. what is the ratio of
0 answers
1,206 views
a rectangle has a perimeter equal to circumference of a circle of radius 3. if the width of the rectangle is 3, what is the
3 answers
1,070 views
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