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March 13, 2013
1) Find the surface area for a sphere with a radius of 10 feet. Round to the nearest whole number.
a. 1,256 ft2 b. 4,189 ft2 c.
63 answers
asked by
Alexa
33,826 views
1. What is the simplified form of squared root 140?
A.) 4 to the square root of 35 B.) 10 to the square root of 14 C.) 2 to the
45 answers
asked by
Jim
22,566 views
What are the mean, variance, and standard deviation of these values? Round to the nearest 10th.
92, 97, 53, 90, 95, 98
13 answers
asked by
Lea
10,885 views
Which expression would you use to figure out the number of ways you can arrange the letters in the word equation? (1 point)
8!
42 answers
asked by
Student
9,750 views
Which radical expression is in simplified form?
a.11y/sq rt 3 b.sq rt 6/5y c. sq rt 17/sq rt 4 d.sq rt 25/81 I think it might be
11 answers
asked by
Cassie
9,114 views
What is the simplified form of square root 48n^9?
I think the answer is: 3n square root 4n^8. Thank You
37 answers
asked by
Jim
7,619 views
volume of cone varies jointly as square of its radius and its height if volume of a cone is 27pie cubic inches when radius is 3
1 answer
asked by
leslie
6,114 views
Can you help me with the ten words to fill in each blank on Improving Vocabulary Skills Chapter 13, 14, 15, 16, 17 for the Final
15 answers
asked by
Divine0324
5,892 views
A sample of nitrogen containing 1.5x10^23 molecules has the same number of molecules as a sample containing
A. 1.0 mole of H2 B.
2 answers
asked by
Brandi
4,468 views
The forensic technician at a crime scene has just prepared a luminol stock solution by adding 15.0g of luminol into a total
3 answers
asked by
Chris
4,184 views
Sam ate 1/4 of the pizza. If the pizza has 8 slices, how many slices are left?
4 answers
asked by
Kim
3,841 views
Given f(x) = x^4 + 6x^3 - 15x + 7, evaluate \displaystyle \lim_{h \to 0} \frac{f(1+h) - f(1-h)}{h}.
1 answer
asked by
John
3,358 views
An aluminum ring of radius 5.00 cm and resistance 2.00 10-4 Ω is placed around the top of a long air-core solenoid with 997
1 answer
asked by
Kyle
3,306 views
What is the momentum of a 1.5 × 103 kilogram van that is moving at a velocity of 32 meters/second?
A. 46.9 kilogram
2 answers
asked by
fredrick
2,816 views
In an atom, electrons ____.
a.are located in the nucleus b.are paired with neutrons c. travel outside the nucleus d. are always
5 answers
asked by
Gia
2,650 views
Which radical expression is in simplified form?
A.) 11y/3 square root *B.) square root of 6/5y C.) square root of 17/square root
5 answers
asked by
Jim
2,476 views
A gardener is mowing a 20 by 40 yard rectangular pasture using a diagonal pattern. He mows from one corner of the pasture to the
10 answers
asked by
Cassie
2,412 views
A student who is performing this experiment pours an 8.50mL sample of saturated borax solution into a 10mL graduated cylinder
3 answers
asked by
ConfusedStudent
2,330 views
rewrite the following sentences :
Marco polo made many discoveries.The discoveries were amazing. Begin with:Marco polo...........
2 answers
asked by
ramesh reddy
2,222 views
Given: segment BD bisects angle ABC; AB=BC. Prove: triangle ABD congruent to triangle CBD
1 answer
asked by
Constance
2,216 views
how does the water cycle ensure that we have water.
6 answers
asked by
nyamka
2,161 views
A mass spectrometer is used to examine the isotopes of uranium. Ions emerge from the velocity selector at a speed of 3.00 x 10^5
1 answer
asked by
John
2,092 views
Consider a solution that contains both C6H5NH2 and C6H5NH3+. Calculate the ratio [C6H5NH2]/[C6H5NH3+] if the solution has the
1 answer
asked by
Margaret
2,072 views
N2 + 3H2 --> 2NH3
how many grams of ammonia is produced in the reaction?
3 answers
asked by
Christie
2,004 views
I have the sentence...When I get home from school,I'm going to take a nap.
I am supposed to underline the subjects and verbs. I
2 answers
asked by
Brandi
2,002 views
ou are given the following data.
S(s) + 3/2 O2(g) → SO3(g) ΔH = -395.2 kJ 2 SO2(g) + O2(g) → 2 SO3(g) ΔH = -198.2 kJ
1 answer
asked by
Jen
2,000 views
Before a collision, the x-momentum of an object is 8.0 × 103 kilogram meters/second, and its y-momentum is 1.2 × 104 kilogram
1 answer
asked by
fredrick
1,906 views
1) Nova, whose mass is 50.0 kg, stays out skiing for too long and her body temperature drops by 2.00 degree celsius . What is
1 answer
asked by
Isis
1,775 views
Direct mail advertisers send solicitations (a.k.a. "junk mail") to thousands of potential customers in the hope that some will
1 answer
asked by
MeSue
1,725 views
Newton's first law of motion states that an object remains at rest unless a ___force acts on it.
A.balanced B.frictional
3 answers
asked by
Cassie
1,723 views
A 22 μF capacitor and a 5.20 mH inductor are connected in series with an open switch. The capacitor is initially charged to
2 answers
asked by
Anonymous
1,699 views
What difference is there between the downward velocities of the skydiver who jumped out of the helicopter (with no forward
1 answer
asked by
cianaa
1,680 views
cos è = 0.9659 A = ? H = 20
1 answer
asked by
ben
1,639 views
1. A force of 720 N stretches a certain spring a distance of 15 cm. What is its force constant? If a 60-kg mass is hang on it,
1 answer
asked by
4a
1,602 views
if 150 grams of water is heated from 20 degrees C to 30 degrees C, the number of joules of heat energy aborbed is?
2 answers
asked by
Anonymous
1,586 views
A ball with a mass of 0.50 kilograms is moving at a speed of 1.8 meters/second along the positive x-axis. It collides with
1 answer
asked by
fredrick
1,575 views
The length of a rectangle is 5cm more than twice the width. The perimeter of the rectangle is 34 cm. Find the dimensions of the
4 answers
asked by
steph
1,528 views
what is the simplified form of
3sq rt 5c * sq rt 15c^3? A.15c^2 sq rt 3 B.6c^2 sq rt 5 c.5c^2 sq rt 3 d.12c^4sq rt 5 I think it
1 answer
asked by
Cassie
1,499 views
Mason lifts a box off the ground and places it in a car that is 0.50 meters high. If he applies a force of 8.0 newtons to lift
1 answer
asked by
fredrick
1,451 views
Susan keeps track of the number of tickets sold for each play presented at the community theater. Within how many standard
2 answers
asked by
Lea
1,399 views
Review Conceptual Example 2 as an aid in understanding this problem. A velocity selector has an electric field of magnitude 2607
1 answer
asked by
picm
1,383 views
onvert the following to scientific notation:
(i) the distance to the sun, 149 500 000 000 m (ii) the wavelength of yellow sodium
1 answer
asked by
Kate
1,332 views
How do I factor out the greatest common monomial factor?
1) 9m^7 - 3m^2 2) 12a^5 + 8a 3) I need to describe and correct the error
1 answer
asked by
Scott
1,327 views
A certain coaxial cable consists of a copper wire, radius a , surrounded by a concentric copper tube of inner radius c . The
1 answer
asked by
P
1,324 views
An observer on top of a building 66 metres high,finds the angle of elevation to the top of a taller building to be 34
3 answers
asked by
Shane
1,314 views
Lisa needs to empty 18 gallons of water from a tub into jugs that hold 0.5 gallons of water - how many jugs does Lisa need
1 answer
asked by
Slim
1,286 views
The cost C in dollars of producing n yearbooks is represented by the equation
C=1000+5n How much would it cost to produce 75n
3 answers
asked by
Emily
1,268 views
For numbers 1–3, find the indicated measurement of the figure described. Use 3.14 for (pi) and round to the nearest whole
4 answers
asked by
Selena
1,250 views
1) Find the surface area for a sphere with a radius of 10 feet. Round to the nearest whole number.
a. 1,256 ft2 b. 4,189 ft2 c.
8 answers
asked by
Destiny
1,249 views
Stacy has a spinner (1-4) and a number cube (1-6). After spinning and rolling the number cube, she will add the two numbers.
What
1 answer
asked by
Cassidy
1,247 views
You launch a model rocket up into the sky. Right after launch the rocket is accelerating upwards at 10~m/s^2. What is the
1 answer
asked by
John
1,232 views
ABC is a non-degenerate triangle such that 2\sin \angle B \cdot \cos \angle C + \sin \angle C = \sin \angle A + \sin \angle B,
0 answers
asked by
John
1,196 views
The line “Where water is not thirsty” is an example of which type of figurative language? (1 point)
a. symbol b. metaphor c.
1 answer
asked by
Gia
1,153 views
A ball is dropped from a height of 20m. When it bounces, it rebounds with a speed that is one half of the speed at which it hits
2 answers
asked by
Kit
1,145 views
H3BO3 -> H+ + H2BO3-
Why doesn't H3BO3 break down to something with H3O+ because it is a weak acid? I know many weak acids break
1 answer
asked by
Anon
1,145 views
Use intermediate value theorem to show there is a root to 2x^3 + x^2 - 2 = 0 on [0,1]
1 answer
asked by
Kyle
1,135 views
how many ways can you line up 11 people for a picture?
0 answers
asked by
Regina
1,130 views
The length of a rectangle is 5 ft greater than 4 times its width. The area is 369 sq ft . What is the length?
1 answer
asked by
Joana
1,114 views
Problem 2
Build-Rite construction has received favorable publicity from guest appearances on a public TV home improvement
1 answer
asked by
Anonymous
1,112 views
Three parallel plate capacitors (C1,C2 and C3 ) are in series with a battery of 100 V. C1=2500 micro Farad; C2=2C1 , C3=3C1 .
(a)
2 answers
asked by
P
1,073 views
An oil-drilling company knows that it costs $25,000 to sink a test well. If oil is hit, the income for the drilling company will
1 answer
asked by
luis
1,072 views
1. Which of the following is a specific goal?
A. I will pass as many of my courses as possible. B. I will finish my college
1 answer
asked by
Amy
1,071 views
2AgNO3 + BaCl2 --> 2AgCl + Ba(NO3)2
How many grams of sliver chloride are produced from 5.0g of sliver nitrate reacting with an
2 answers
asked by
Christie
1,061 views
what, according to the Basic condition of employment Act applies with regard to the contraventions that you've identified?
1 answer
asked by
Gladness
1,060 views
raven found 30 coins. 1/6 of them were pennies, 1/5 of them weere nickels, 1/3 of them were dimes, and the rest were quarters.
2 answers
asked by
Taylor Shelly
1,060 views
If two objects weighing 5 kg and 7 kg are dropped from a height of 64 m and 36 m, respectively. What will be the ratio of times
1 answer
asked by
Samuel
1,050 views
Consider the Linear demand function Q = 20 - 0.5P
c- Using calculus, find the level of output, Qrmax, where total revenue reaches
2 answers
asked by
alejandro guzman
1,046 views
A ball is dropped from a height of 20m. When it bounces, it rebounds with a speed that is one half of the speed at which it hits
0 answers
asked by
Sam
1,035 views
2H2O --> 2H2 + O2
if 30 mL of hydrogen in the above reaction, how many milliliters of oxygen are produced?
1 answer
asked by
Christie
1,022 views
Calculate activities of Ca2+ and F- and the solubility of fluorite (CaF2) in pure water at 25C without regard to possible
2 answers
asked by
Ren
1,022 views
Dimensions of a Box A box is made from a rectangular piece of metal with length 50 inches and width 40 inches by cutting out
1 answer
asked by
Shay
1,021 views
A man jumps from a great height and falls freely to the Earth. Another man jumps from the same height 1 s later. How much are
3 answers
asked by
Samuel
1,011 views
Let \phi(n) be the Euler Phi Function. If 1 \leq n \leq 1000, what is the smallest integer value of n that minimizes
1 answer
asked by
John
998 views
A force is applied to a door at an angle of 56.8° and 0.34 m from the hinge.
a) What force produces a torque with a magnitude of
1 answer
asked by
Mike
994 views
Which test should be used one samples t test, independent samples t test or dependent samples t test. What do you set the
4 answers
asked by
Anonymous
991 views
Art to inspire hope is called A.spiritual art.
B.watercolor art. C.celebration art. D.western art. I can't decide between A and
3 answers
asked by
Cassie
988 views
I split this sentence into 2 parts is the colon use correct between football and There's?
I love college football: There’s
2 answers
asked by
Bernie
986 views
I need to ask some opinion about this question.
determine whether the description refers to solo proprietorship, partnership or
0 answers
asked by
ifi
983 views
A sample of nitrogen containing 1.5x10^23 molecules has the same number of molecules as a sample containing
A. 1.0 mole of H2 B.
3 answers
asked by
Brandi
973 views
In distinct odd-town, the inhabitants want to number their houses with 3-digit positive integers that are odd, which have all
1 answer
asked by
John
964 views
A boy walked for 4 hours and cycled for 3 hours,covering a total distance of 74 kilometers,later he walked for 2 hours and
1 answer
asked by
007
952 views
What volumes of 0.47 M HF and 0.47 M NaF must be mixed to prepare 1.00 L of a solution buffered at pH = 3.50?
HF NaF
0 answers
asked by
Margaret
945 views
Displacement is given by x=2+3t+4t². Find the value of instantaneous acceleration.
1 answer
asked by
Samuel
939 views
4x-y-3z=8
2x+2y-z=3 6x+y-3z=2 help me solve matrices
1 answer
asked by
jenny
934 views
The most important reason why teachers and teacher aides should be strong leaders in the classroom is because it
a)helps students
3 answers
asked by
Cyndi
882 views
in a triangle, the measure of the first angle is twice the measure of the second.the measure of a third triangle is 64 degrees
1 answer
asked by
brittany
876 views
A toroidal solenoid has a mean radius of 8.00cm and a cross-sectional area of 4.80cm^2 and is wound uniformly with 90.0 turns. A
1 answer
asked by
Anonymous
869 views
Consider the titration of 100.0 mL of 0.260 M propanoic acid (Ka = 1.310−5) with 0.130 M KOH. Calculate the pH of the
0 answers
asked by
Margaret
869 views
The micelle and the liposome are two structures formed by phospholipids in an aqueous environment. They are represented here in
0 answers
asked by
selly
868 views
Suppose the minimum wage is above the equilibrium wage in the market for unskilled labour. Using a demand and supply diagram of
0 answers
asked by
ann
868 views
An electric force moves a charge of +1.85 10-4 C from point A to point B and performs 6.70 10-3 J of work on the charge.
(a) What
1 answer
asked by
Anonymous
847 views
An insurance company is offering a new policy to its customers. Typically, the policy is bought by a parent or grandparent for a
0 answers
asked by
Anonymous
843 views
A capacitor consists of two concentric spherical shells. The outer radius of the inner shell is a=0.43 mm and the inner radius
1 answer
asked by
P
837 views
Problem 1
Adele Weiss manages the campus flower shop. Flowers must be ordered three days in advance from her supplier in Mexico.
0 answers
asked by
Anonymous
834 views
A rod made from a particular alloy is heated from 22.0°C to the boiling point of water. Its length increases by 8.15 10-4m. The
1 answer
asked by
Anna
826 views
Homework Help: English
Posted by rfvv on Tuesday, March 12, 2013 at 6:29pm. Posted by rfvv on Tuesday, March 12, 2013 at 5:35pm.
1 answer
asked by
rfvv
816 views
The value of
(secpi/7)+(sec3pi/7)+(sec5pi/7) is
1 answer
asked by
anoynomous
810 views
A manufacturer produces bolts of fabric with a fixed width. The quantity q of this fabric (measured in yards) that is sold is a
0 answers
asked by
Travis
807 views
Use activity coefficients to find the concentration of hydrogen ions in a solution of 65.0 mM butanoic acid and 0.01 M NaCl. The
1 answer
asked by
Jessica
791 views
Let S = \{ 1, 2, 3, \ldots 12\} and T_1, T_2, \ldots T_a be subsets of S such that T_i \not \subset T_j \, \forall i \neq j .
0 answers
asked by
John
789 views
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