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2013
March
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March 28, 2013
Let ABCD be a square, and let M and N be the midpoints of BC and CD respectively. Find sin<MAN.
10 answers
asked by
Knights
7,878 views
1.
Which of the following metals is oxidized by calcium ions? *potassium zinc iron lead 2. The first electrochemical cell was
26 answers
asked by
Jack
6,135 views
If a pie chart were created to represent the distribution of smartphone preferences among 500 individuals, and 320 participants
0 answers
asked by
Jack 'N Jill
4,361 views
Hello. I would like to ask a college statistics question.
Q. One hundred draws are made at random with replacement from the box
1 answer
asked by
Daniel
3,684 views
An archer puts a 0.26 kg arrow to the bowstring. An average force of 184.5 N is exerted
to draw the string back 1.26 m. The
1 answer
asked by
Anonymous
3,137 views
Sorry there are so many questions!!!!
1. The economic centers of the Northeast are the region's __________. (1 point) farms
24 answers
asked by
Delilah
3,095 views
You prepare a solution from 10.0 mL of 0.100 M MOPS buffer (3-morpholinopropane-1-sulfonic acid) and 10.0 mL of 0.071 M NaOH.
2 answers
asked by
Jessica
2,728 views
the sum of 5 consecutive whole numbers is 2005. what is the sum of all the digits of these 5 numbers
4 answers
asked by
Mo
2,621 views
Given \tan \theta = -\frac{4}{3}, where \frac{\pi}{2} < \theta < \pi, what is the value of \frac{1}{\sin \theta + \cos \theta}?
1 answer
asked by
Jason
2,557 views
a park is 3/4 mile long and 1/2mile wide. Which fraction represents the ratio of the parks length to its width?
I did it by 3/4
2 answers
asked by
Ellie
2,523 views
For communication to take place, there has to be:
A. transmission of the message. B. medium. C. sharing of meaning. D. absence of
9 answers
asked by
Amy
2,494 views
Japan, the European Union, Canada, and Mexico have flexible exchange rates.
Suppose Japan attracts an increased amount of
2 answers
asked by
Macroeconomics
2,472 views
In an excess of NH3(aq), Cu2+ ion forms a deep blue complex ion, Cu(NH3)42+, which has a formation constant Kf = 5.6 1011.
5 answers
asked by
hannah
2,315 views
5.
Fill in the blank with the correct form of the verb jugar. yo __________ My Answer: yo juego 6. Fill in the blank with the
2 answers
asked by
Jack
2,306 views
if 4/3 x 3/4 =5k whats k
2 answers
asked by
Jordan
2,267 views
The temperature in degrees Fahrenheit is equal to 32 more than 9/5 times the temperature in degrees Celsius. One day the high
3 answers
asked by
B6
2,244 views
What are some ways that conserving resources can be promoted in everyday life?
0 answers
asked by
Delilah
2,137 views
The government set up by the Articles of Confederation had
a. no legislative or judicial branch. b. only a legislative and an
2 answers
asked by
lucy
2,064 views
Karina drew a shape with 2 pairs of parallel sides and no right angles. Which shape could Karina have drawn?
A. square B. rhombus
10 answers
asked by
sarah
1,978 views
Find constants a and b in the function f(x)=axe^(bx)such that f(1/7)=1 and the function has a local maximum at x=1/7.
a = b =
1 answer
asked by
Angelica
1,881 views
A swimming pool, 20.0 m 12.5 m, is filled with water to a depth of 3.73 m. If the initial temperature of the water is 18.5°C,
1 answer
asked by
Chuck
1,664 views
In a large section of a Chemistry class, the points for the final exam are normally distributed, with a mean of 72, and a
1 answer
asked by
Hulio
1,559 views
write an algebraic expression that could be used to represent the perimeter of the triangle below. write the expression in
2 answers
asked by
Anonymous
1,500 views
At most, how many bright fringes can be formed on either side of the central bright fringe when light of wavelength 656 nm falls
1 answer
asked by
please help
1,498 views
A supply company sells packs of paper by the box. Each box contains the same number of packs of paper, P. Which equation could
4 answers
asked by
Anonymous
1,482 views
The reading list for a literature class has 6 fiction and 8 nonfiction books. A student is to write a report on 5 books from the
1 answer
asked by
Ira
1,448 views
determine the point of intersection of the tangents at the points of inflection to the curve f(x)= x^4 – 24x^2 – 2
1 answer
asked by
samantha
1,311 views
Let N = \int \int \int_B xyz^2\ dV , where B is the cuboid bounded by the regions 0 \leq x \leq 1, -1 \leq y \leq 2 and 0 \leq z
1 answer
asked by
Jacob
1,280 views
How do you distinguish between fluorene and acetanilide? Suggest methods other than melting point and chromatography.
1 answer
asked by
Albert
1,245 views
Public speaking has been formally studied since:
A. the 5th century. B. the 20th century. C. recently. D. communication courses
8 answers
asked by
Amy
1,242 views
if in a spinner of 1-8
if the probability of even numbers is 4/8 and probability of multiple of 3 is 2/8. isn't the answer 6/8/
5 answers
asked by
Anonymous
1,235 views
1.
Which statement best describes the government of Canada? (1 point) The monarch of Britain has total control over Canada. The
22 answers
asked by
Anonymous
1,215 views
In a world of ____________, communication skills help us to interact with people whose backgrounds are different from our own.
A.
4 answers
asked by
Amy
1,202 views
Find the average cost function C associated with the following total cost function C.
C(x) = 0.000007x3 - 0.06x2 + 110x + 76000
2 answers
asked by
Kaleia
1,156 views
PLEASE ANSWER! PLEASE ANSWER! PLEASE ANSWER!
1) Identify two problems resulting from urban sprawl in the western region of the
2 answers
asked by
Jessica
1,153 views
How many mL of .715 M HCI is required to neutralize 1.25grams of sodium carbonate? (Producing carbonic acid)
1 answer
asked by
Celina
1,135 views
Find the smallest positive integer N \neq 23 such that the fraction \frac {N-23} { 7N+6 } is not in simplest terms.
1 answer
asked by
Anonymous
1,110 views
What is the molecular equation for HCl(aq) + NH4OH(aq)?
2 answers
asked by
Virginia
1,108 views
Calculate the area of the common interior of r = 2sin(theta) and r = 2cos(theta)
1 answer
asked by
Jess
1,102 views
did Millard Fillmore want woman rights ?
4 answers
asked by
ear
1,099 views
Explain why .100 m NaCl in water does not have a freezing point equal to
a) -0.183 degrees Celsius b) -0.366 degrees Celsius
0 answers
asked by
Swagdeep
1,089 views
A right triangular prism
has volume equal to 288 cm^3 . The height of the prism is 3 cm. One of the bases of the triangular face
1 answer
asked by
John Corner
1,077 views
The vertices of a regular 10-gon are labeled V_1, V_2, \ldots V_n, which is a permutation of \{ 1, 2, \ldots, 10\}. Define a
0 answers
asked by
Jason
1,067 views
Harry drove for 6 hours on the freeway, then decreased his speed by 20 miles per hour and drove for 5 more hours on a country
2 answers
asked by
Sheree
1,063 views
The bulbs manufactured by a company gave a mean life of 3000 hours with standard
deviation of 400 hours. If a bulb is selected at
1 answer
asked by
Rajan
1,029 views
Phosphoric acid is a triprotic acid with the following pKa values:
pKa1=2.148 pKa2=7.198 pKa3=12.375 You wish to prepare 1.000 L
1 answer
asked by
Laura
1,004 views
Pure water has a density of 1.00 g/ml at 297 . Calculate the molar concentration of pure water at this temperature. Would i just
1 answer
asked by
K
1,002 views
analyze the graph of the function
R(x)=x^2-12/x-6 a) What is the domain of R(x)? b) What is the equation of the vertical
2 answers
asked by
Alley
999 views
I have a few questions I need help with! Please explain if my answer was not right how you got to it. I got 1.) B 2.) A 3.) C
1.
1 answer
asked by
Kris
992 views
When crafting the new Constitution, the Framers drew from their experiences with which of the following?
a. the governments of
2 answers
asked by
lucy
986 views
Every once in a while a bird will get hit by a baseball during a baseball game. The longest home runs in baseball land about 500
2 answers
asked by
Dan
972 views
Which feature did the State constitutions and the Articles of Confederation have in common?
a. royal governors b. bill of rights
2 answers
asked by
lucy smith
968 views
The Thompson Company uses standard costing and has established the following direct material and direct labor standards for each
1 answer
asked by
lisa
961 views
1.) Find the values of a, b, and c that will make the statement true.
[5 a -2] [5 102] [3 4 –b] = [-3 -4 3] [2c 5 9] [-2 5 9]
0 answers
asked by
Kris
954 views
The perimeter of a triangle is 47 miles. The first side is 5 miles less than twice the second and the third is 2 miles more than
1 answer
asked by
Chris
952 views
The price P per unit at which a company can sell all that it produces is given by the, function P(x) = 300 — 4x. The cost
0 answers
asked by
Rajan
951 views
An air plane can travel 560 miles per hour with the wind and 480
miles per hour against the wind. Determine the speed of the
1 answer
asked by
Lora
951 views
If 1g of sodium-24 has decayed from a sample that was orinally 2g. How old is the sample?
1 answer
asked by
michael
948 views
A right triangular prism
has volume equal to 288 cm^3 . The height of the prism is 3 cm. One of the bases of the triangular face
0 answers
asked by
John Corner
943 views
The triprotic acid H3A has ionization constants of Ka1 = 9.9× 10–2, Ka2 = 2.7× 10–8, and Ka3 = 5.9× 10–11.
a). Calculate
1 answer
asked by
Laura
936 views
The population mean length of a hospital stay for surgery is 5.5 days and the standard deviation is 1.9 days. What percentage of
3 answers
asked by
tmouery
921 views
You are at the music store to buy some CDs. You have $45 to spend and the store sells CDs for 12.99 each. Write an inequality
1 answer
asked by
emily
884 views
1.) Solve the system by triangularizing the augmented matrix and using back substitution.
-x-y+z=1 x-y-4z=-7 4x+y+z=6 2.) Perform
0 answers
asked by
Becca
878 views
PLEASE EXPLAIN IN YOUR OWN WORDS PLEASE PLEASE HELP IN YOUR OWN WORDS PLEASE. :( :(
1) Explain the similarities and differences
15 answers
asked by
Jane
870 views
Part 1 :
Store equipment is purchased on January 1, 2002 at a cost of $14,000 and $1,000 was spent on its installation. The
0 answers
asked by
elle
868 views
Identify two problems resulting from urban sprawl in the western region of the United States. If these problems are not solved,
5 answers
asked by
Camryn
847 views
Two cars start at the same point at Alexandria, verginia, and travel 2
opposite directions. One car travels 5 miles per hour
2 answers
asked by
Lora
835 views
if a cyclist takes one minute to comple half revolution on a circular path 120 m radius.what is the average velocity?
3 answers
asked by
khadija
835 views
A child’s toy consists of plastic attached to
a spring. The spring is compressed against the floor a distance of 2.55 cm, and
0 answers
asked by
Anonymous
834 views
How is playing on a seasaw an example of the scientific definition of work
0 answers
asked by
Sam
831 views
The standard deviation of the diameter of 18 baseballs was 0.29cm. Find the 95% confidence interval of the true standard
0 answers
asked by
ann
819 views
A 62.0 skier is moving at 6.10 on a frictionless, horizontal snow-covered plateau when she encounters a rough patch 3.30 long.
1 answer
asked by
mira
815 views
Phosphoric acid is a triprotic acid with the following pKa values:
pKa1=2.148 pKa2=7.198 pKa3=12.375 You wish to prepare 1.000 L
0 answers
asked by
jane
814 views
I apologize for asking the same question, but I misunderstood the directions.
The following sentences are written in the present
1 answer
asked by
Anonymous
811 views
The ratio of boys to girls in a class is 2:3. If a student is chosen at random to be on the student council, what is the
2 answers
asked by
Taylor
811 views
What mass of KNO3 (MW=101) is needed to prepare 45omL of 0.250 M KNO3 in water?
2 answers
asked by
Kishwa
797 views
How to develop a strategic plan for a skilled nursing facility
1 answer
asked by
katnttown
795 views
Students are baking muffins to sell to raise money. They bake muffins in trays of 24 muffins each. They want to divide the
3 answers
asked by
sally
793 views
47 Fahrenheit = Celsius give answer in decimal form, to the nearest tenth?
2 answers
asked by
Alice
781 views
young, innovative, or high-tech firms often adopt the strategy of ignoring history or attempting to do something radically
1 answer
asked by
sajjad
767 views
Determine whether the following is a polynomial. 937g2h3 - 238gh2 + 54gh
1 answer
asked by
anna
766 views
A 85-kg snow skier is being pulled up a 17 ° slope by a steel (Young's modulus 2.0 x 1011 N/m2) cable. The cable has a
0 answers
asked by
Anon
742 views
If Gold sells for $1200.00 an ounce, how many atoms of gold can you buy for a penny? Please, Show work.
1 answer
asked by
Kristen
738 views
A singly charged positive ion has a mass of
3.35 × 10−26 kg. After being accelerated through a potential difference of 128 V,
0 answers
asked by
Anonymous
737 views
Write an inequality that represents the statement:
x is less than 4 and greater than 1
0 answers
asked by
mary
737 views
All numbers in our real number system are the product of prime numbers. Complete the following steps for this discussion:
1. List
3 answers
asked by
Tammy
733 views
A hospital claims that the mean waiting time at its emergency room is 25 minutes. A random sample of 16 patients produced a mean
1 answer
asked by
Steven
730 views
Two astronauts, each having a mass of
61.9 kg, are connected by a 14.7 m rope of negligible mass. They are isolated in space,
1 answer
asked by
Celeste
729 views
Red Scarf Girl - I need a 3-4 sentence summary, central idea, and a quote from the book that would support the central idea.
1 answer
asked by
Victoria
708 views
Five times the reciprocal of a number equals the sum of 3/2 the reciprocal of the number and 7/6. What is the number
0 answers
asked by
Nicole
688 views
Please explain on how to do each of these! *Let (x) be defined for all positive integer values of xas the product of all even
1 answer
asked by
Anonymous
687 views
Weights of male mountain lions follow the normal distribution with a median of 150 lb and an interquartile range of 8.2 lb.
Fin
3 answers
asked by
Andrea
678 views
a lab assistant wants to make 5 liters of 27.8% acid solutions. if solutions of 50% and 13% are in stock, how many liters of
2 answers
asked by
Anonymous
675 views
Hi i'm having trouble with a question. it states During the Summer you take 2 part time jobs. The first job pays $5 per hour.
1 answer
asked by
Alex
659 views
Carbon dioxide dissolves in water to form carbonic acid, which is primarily dissolved CO2. Dissolved CO2 satisfies the
0 answers
asked by
jane
648 views
suppose we went to test the claim that the average GPA of all students in this university is at least 2.8. however , from out
0 answers
asked by
Anonymous
644 views
The pie chart shown in Figure A-6 illustrates the favorite foods of a selected group of fiveyear- old children. A total of 5,280
1 answer
asked by
POP
630 views
The floor of a shed has an area of 54 sq.feet. Find the length and
width if the length is 3 feet less than twice its width.
1 answer
asked by
Lora
627 views
the perimeter of a rectangular field is 140m. If the length is increased by 15m and breadth is decrease by 5m, the length will
1 answer
asked by
joe
626 views
A 92-kg man's thighbone has a relaxed length of 0.56 m, a cross-sectional area of 6.0 10-4 m2, and a Young's modulus of 1.2 1010
1 answer
asked by
zena
624 views
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