DRAKE
Popular questions and responses by DRAKE
Chemistry
Help writing complete ionic and net ionic equations.? Hg2(NO3)2 (aq) + CuSO4 > Cu(NO3)2 (aq) + Hg2SO4 (s) K2CO3 (aq) + MgI2 > MgCO3 (s) + 2KI 3 NaCrO4 (aq) +2 AlBr3 > Al2(CrO4)3 (s) + 6NaBr i got down writing the formula equation but i would like
asked on October 16, 2012 
physic
A bobsled slides down an ice track starting (at zero initial speed) from the top of a(n) 146 m high hill. The acceleration of gravity is 9.8 m/s2 . Neglect friction and air resistance and de termine the bobsled’s speed at the bottom of the hill. Answer
asked on January 11, 2011 
Micro Economics
Resources are being used efficiently when 1. scarcity is not longer an issue 2. they are also used equitably 3. every opportunity to make people better off has been utilized 4. there are still gains from trade available
asked on February 15, 2009 
Peartree Elementary
There are 50 oranges in a box 3/10 of them are rotten. How many of the oranges are not rotten?
asked on February 6, 2011 
Physics
A concave mirror has a focal length f = 200 [cm]. The mirror is lying flat on the floor. You take a ball and align it with the center (vertex point) of the mirror. Then at time (t=0) you release the ball from a height h = 5 [m]. (a) The ball falls and hits
asked on March 25, 2020 
SCIENCE
why is a hydrogen molecule (H2) more stable than two individual hydrogen atoms?
asked on July 10, 2013 
Algebra
Write an equation of a circle with the given center and radius. center (7, 6) and radius 2. A. (x+7)^2+(y+6)^2=4 B. (x7)^2+(y6)^2=2 C. (x+7)^2+(y+6)^2=2 D. (x7)^2+(y6)^2=4
asked on March 17, 2019 
math
As viewed from above, a swimming pool has the shape of the ellipse (x^2)/4900+(y^2)/2500=1, where x and y are measured in feet. The cross sections perpendicular to the xaxis are squares. Find the total volume of the pool.
asked on May 4, 2019 
Maths
10 Paula asked 30 students what they ate for lunch. All the students had at least a sandwich, salad or fruit. 5 students had a sandwich, salad and fruit. 7 students had a sandwich and fruit. 9 students had a sandwich and salad. 7 students had salad and
asked on September 20, 2016 
Math (Triangles  (Angle of Elevation)
A television antenna is situated atop a hill. From a point 200 m from the base of the hill, the angle of elevation of the top of the antenna is 80°. The angle of elevation of the antenna from the same point is 75°. How tall is the antenna?
asked on July 31, 2013 
Algebra
Use synthetic division and the Remainder Theorem to find P(5) if P(x) = x^3  4x^2 + x  2. Please help....?
asked on March 5, 2013 
Calculus
R is the region in the plane bounded below by the curve y=x^2 and above by the line y=1. (a) Set up and evaluate an integral that gives the area of R. (b) A solid has base R and the crosssections of the solid perpendicular to the yaxis are squares. Find
asked on February 2, 2010 
7th grade math
suppose you used the rule (3x+1,3y4) to transform the original figure into a new figure. Would the new figure be similar to the original? Explain. I NEED HELP ASAP PLEASE!!! HELP. Thanks.
asked on January 16, 2012 
Math
((x)(x))/(3x) = 1.8x10^5 how do I solve for x
asked on May 14, 2019 
Math
nine kids and two adults are going to the circus. kids tickets are on sale for only half the price of adult tickets. the total cost was $72. how much is one kids ticket. how much is one adult ticket
asked on March 28, 2017 
Chemistry
Calculate mass of iron in tablet by spectroscopy? I have to calculate the mass of iron in a tablet..The manufacturers claim it contains 60 mg elemental iron. background info: The tablet was crushed and dissolved in 25ml of 6M Hcl, filtered and added to a
asked on February 14, 2012 
Physical science
What is the gravitational potential energy of a 5kg object resting 3m above the ground?
asked on October 21, 2012 
computer science
What is the binary representation of the following hexadecimal number? What are the decimal numbers they represent when interpreted as undesigned integers. (a) F4 (b) 9F
asked on October 17, 2010 
Math
Infinity sigma n=1 (x8)^n / n(5)^n Find the interval of convergence
asked on June 7, 2019 
Physics
A race car travels northward on a straight, level track at a constant speed travels 0.755 km in 18.0 s. The return trip over the same track is made in 23.0 s. (a) What is the average velocity of the car in m/s for the first leg of the run?
asked on September 2, 2016 
Math (Triangles)
The vertex angle of an isosceles triangle is 40°20'. Each of the leg measures 320 mm. Find the length of the base.
asked on July 31, 2013 
Trigonometry
A crow is on the ground 80 feet from the base of a 45 foot tall tree. It then flies straight throught the air to the top of the tree. What is the angle of the crow's flight path relative to the ground ?
asked on January 24, 2010 
math
1. What is the product of (5.1 x 10^3) x (3.2 x 10^3)? a. 16.32 x 10^6 b. 1.632 x 10^7 c. 16.32 x 10^9 d. 1.632 x 101^0 2. What is the product of (7.28 x 10^2) x (9.1 x 10^2)? a. 6.6248 x 10^3 b. 66.248 x 10^4 c. 6.6248 x 10^4 d. 66.248 x 10^3 3. What
asked on September 13, 2012 
Math
Find all the vectors that are perpendicular to (1,4,4,1) and (2,9,8,2).
asked on December 8, 2010 
plz help ms sue
1. What is the product of (5.1 x 10^3) x (3.2 x 10^3)? a. 16.32 x 10^6 b. 1.632 x 10^7 c. 16.32 x 10^9 d. 1.632 x 101^0 2. What is the product of (7.28 x 10^2) x (9.1 x 10^2)? a. 6.6248 x 10^3 b. 66.248 x 10^4 c. 6.6248 x 10^4 d. 66.248 x 10^3 3. What
asked on September 13, 2012 
Math
Ava made 100 paper cranes, and Brittany made34of the number of paper cranes Ava made. Ava gave920of her paper cranes to Brittany. Then, Brittany gave14of her paper cranes to Ava. How many more paper cranes did Brittany have than Ava in the end?
asked on April 25, 2016 
Physics
A 0.8 m diameter tank is filled with water to a depth of 2.2 m and is open to the atmosphere at the top. The water drains through a 1.0 cm diameter pipe at the bottom; that pipe then joins a 1.5 cm diameter pipe open to the atmosphere, as shown in Fig.
asked on December 4, 2012 
Physics
Figure 1846 shows a hydraulic lift operated by pumping fluid into the hydraulic system. The large cylinder is 40 cm in diameter, while the small tube leaving the pump is 1.7 cm in diameter. A total load of 2500 kg is raised 2.2 m at a constant rate.
asked on December 5, 2012 
Math  Vectors
Let the points A = (−1, −2, 0), B = (−2, 0, −1), C = (0, −1, −1) be the vertices of a triangle. (a) Write down the vectors u=AB (vector), v=BC(vector) and w=AC(vector) (b) Find a vector n that is orthogonal to both u and v. (c) Find a
asked on May 31, 2016 
Intermediate Accounting I
On January 1, 2007, the Accumulated DepreciationMachinery account of a particular company showed a balance of $370,000. At the end of 2007, after the adjusting entries were posted, it showed a balance of $395,000. During 2007, one of the machines which
asked on April 25, 2009 
MATH
tobis,marcus,and dominic rode their bicycles to the arcade. tobis rode 12/5 miles, marcus rode 2 1/3 miles and dominic rode 9/4 miles. Which person rode closest to 2 miles?
asked on September 4, 2014 
Math  sets
Suppose A, B, and C are sets. In at least one of the following situations, one can conclude that A = B. Identify those cases where this conclusion does apply. (i) A ∪ C = B ∪ C A={1,2},A={1,2}, B={2,3}B={2,3} and C={1,2,3}.C={1,2,3}. It is
asked on September 4, 2016 
Math
Beth's car has a gas tank that can hold 15 gallons of gas. Her car uses 1/30 of a gallon of gas per mile driven. Darcy's car has a gas tank that can hold 16 gallons of gas. His car uses 1/25 of a gallon of gas per mile driven. Both cars start with full
asked on October 21, 2015 
physics
A rock tied to a string is swung around in a circle with a radius of 10 ft. The centripetal acceleration is 16.9 ft/sec2. Calculate the speed of the rock.
asked on November 23, 2010 
math
One day a third of the class is absent and 16 children are present. How many children are in the class when no one is away?
asked on February 22, 2011 
Phsics
A man weighs 772 N on Earth. What would he weigh on Jupiter, where the freefall acceleration is 25.9 m/s2? The acceleration of gravity is 9.8 m/s2 . Answer in units of N
asked on November 7, 2011 
Physics
PhysicsA race car travels northward on a straight, level track at a constant speed travels 0.755 km in 18.0 s. The return trip over the same track is made in 23.0 s. (a) What is the average velocity of the car in m/s for the first leg of the run? 41.94
asked on September 3, 2016 
math
bob bender needs to buy fertilizer and fencing for his vegetable garden.his square garden measures 10 feet on each side.the directions say that each bag of fertilizer will cover 50 square feet of soil.how many bags of fertilizer will he need to buy?How
asked on January 16, 2012 
Math  system of eqns
Consider the system of equations: x1 + x2 + x3 = 6, −x1 − 2x2 + 3x3 = 1, 3x1 − 4x2 + 4x3 = 5. (a) Write down the augmented matrix for this system (b) Use elementary row operations to reduced the augmented matrix to reduced rowecehelon form FOR A:
asked on June 1, 2016 
project Manangement
Think of a recently completed group project that you have been involved in. This project may have been a student project, a group project, or an extracurricular project. Briefly describe the situation and choose one of the following to post on the
asked on August 17, 2008 
Math: Compass Bearings
two people start walking from the same point. Person A walks due east for 3.5 km and the person B walks in the direction 123 degrees until they are due south of person A. How far did the second person walk?
asked on April 23, 2014 
math
Sara bought a tomato plant for her garden. initially it is 5 centimetres tall, and it grows at a rate of 3 centimetres per week Write an equation
asked on January 21, 2012 
Math
What times on a clock form an acute angle.. 2:00 6:40 1:30 12:50?
asked on November 4, 2009 
MAth
In triangle PQR,
asked on April 15, 2014 
Math
In triangle PQR,
asked on April 15, 2014 
math
14. 10 5/18 – 8 5/6 = 15. 1/2 • –1 1/3 = 16. 5/8 ÷ 15/16 = 17. Write 13/4 as a decimal. Round to three decimal places
asked on September 18, 2012 
International Business
I have answer all question but i'm quiet understanding of centralization and decentralization. Here is the website that i chose Barry Callebaut barrycallebaut After reading the profile i think the company is part of both but don't understand which side
asked on September 25, 2008 
Math Please Help ME :(
14. 10 5/18 – 8 5/6 = 15. 1/2 • –1 1/3 = 16. 5/8 ÷ 15/16 = 17. Write 13/4 as a decimal. Round to three decimal places
asked on September 18, 2012 
International Business
How does one go about selecting a country because i'm clueless when it come to anything about business/political international in order to answer these question I was thinking Africa but not sure if that's a good country? Select a company and country that
asked on August 28, 2008 
project management
reasons why scheduling is an important task
asked on August 7, 2008 
Math (Algebra)
Consider the graph of the quadratic function y=ax^2+bx+c. If it passes through two points P=(6,0) and Q=(14,0), and its vertex is on the line y=−16x, what is the value of a+b+c?
asked on July 17, 2013 
SCIENCE
why is a hydrogen molecule (H2) more stable than two individual hydrogen atoms?
asked on July 10, 2013 
Math
We have this thing called MAT and we have to do a survey this week. What's your favorite type of music? Pop Hip hop Rap Rock Depressing Songs Heavy Metal
asked on November 17, 2011 
Trigonometry
Two men on the same side of a tall building notice the angle of elevation to the top of the building to be 30 dgrees and 60 dgrees respectively. If the height of the building is known to be h equals 60 m, find the distance (in meters)btween the 2 men.
asked on January 24, 2010 
math
Can you check if my answer is correct? thanks... Find the equation of the line that passes through the points (2,1) and (1, 5). m = y2 y1/x2x1 = 51/ 1(2) = 4/1+2 = 4/3
asked on October 26, 2009 
Social Studies
How does the U.S. Constitutions distribute power through the federal government?
asked on October 2, 2015 
Biology
Please Explain thoroughly. A cell exists in a solution of 10% salt and has an internal concentration of 90% salt. Draw this scenario. Label its tonicity. Show where water would flow.
asked on March 6, 2014 
Math
What is the supplement, and compliment of 6x5. Thanks in advance.
asked on August 29, 2011 
Math (Quadratics)(Discriminants)
If a is a real number and a cubic equation f(x)=x^3−8x^2+(a+12)x−2a has a repeated root, what is the sum of all the possible values of a?
asked on June 26, 2013 
unscramle
hancips
asked on April 9, 2008 
trig
If each leg has length 5 meters, what are the lengths of the other leg and the hypotenuse
asked on September 10, 2015 
Calculus (Limits)
f(x) is a function differentiable at x=1 and f′(1)=1/13. What is the limit of (x^3  1)/f(x)  f(1) as x approaches 1?
asked on July 21, 2013 
Math (Geometry)
In triangle ABC, ∠A=20∘ and ∠B=80∘. Let D be a point on line segment AB such that AD=BC. What is the measure (in degrees) of ∠ADC?
asked on July 7, 2013 
Math (Algebra)
Find the largest integer N for which N−6 evenly divides N^3−6.
asked on June 28, 2013 
Chemistry
Ag+2 is generated in a lab. This is an unusual oxidation state for AG. Write the ground state electronic configuration of Ag+2 using the noble gas shortcut.
asked on February 23, 2012 
Math
In January, the price of a kilogram of potatoes at Supermarket X was $3.20. In May, a kilogram of the same type of potatoes cost $2.99. Find the percentage decrease in price. Express your answer correct to 1 decimal place.
asked on October 4, 2016 
social studies
i have to write a 100 word essay per chapter (7 chapters)and i cant copy it out of the book what do i do/
asked on June 1, 2015 
Differentiation
If f(x)=(x+1)^2/(2x+1)^3, then f′(1)= −a/b. What is a and b?
asked on July 21, 2013 
Math (Algebra)
If the function y=(x^2−2x)^2+6x^2−12x has the minimum value b at x=a, what is a−b?
asked on July 17, 2013 
sci
What is the power of a 300 n force applied over 20 m fro 20 sec? What is the horsepower?
asked on November 16, 2012 
Chem
What is the wavelength (in nm) of an electron with v = 6.0x 105 m/s?
asked on November 13, 2014 
Math (Algebra)
What is the maximum value of f(f(x)) in the domain 4≤x≤7 for the function f(x)=x^2−10x+22?
asked on July 17, 2013 
Trigonometry
Let z be a complex number such that z=2(cos8∘+icos82∘). Then z^5 can be expressed as r(sinα∘+icosα∘), where r is a real number and 0≤α≤90. What is the value of r+α?
asked on June 30, 2013 
Math
There are two points A=(2,0) and B=(4,0) and a moving point P=(t,t) on the xyplane. If the minimum value of line AP+ line BP is b, what is the value of b^2?
asked on June 28, 2013 
sci
What is the power of a 300 n force applied over 20 m fro 20 sec? What is the horsepower?
asked on November 16, 2012 
Math
Build a 9digit numeral write 2 in the hundreds place 5 in the ten thousands place 7 in the millions place 6 in the hundred millions place and 3 in all other places
asked on October 19, 2009 
math
five times the number increased by thirteen is less than or equal to twice the nummmber decreased by twenty find the solution
asked on March 8, 2016 
Math (Quadratics)
If the quadratic equation for x {1+(a+b)^2}x^2−2(2a+2b+1)x+5=0 has real roots, what is the value of a^3+b^3+6ab+a+b?
asked on June 26, 2013

Algebra 1
Hey guys use this mathpapa its a math calculator
posted on January 6, 2020 
Geography
lol
posted on November 21, 2019 
Geography
a natural landscape is made up of a collection of landforms, such as mountains,hills,plains and plateaus
posted on November 21, 2019 
physics
correct
posted on July 30, 2019 
life orientation
Y'all will pass with flying colours!
posted on April 29, 2019 
Math
Hello the awnser is 16
posted on April 2, 2019 
Grammar Please hurry please
hmmm idk
posted on October 30, 2018 
math
as it shows the 1/2 and the 3/4 you right away think that you have multiply the to fractions together. Ex: 1 x 3 =3 2 x 4 =8 When you do the math it intern gives you 3/8 for your answer.
posted on October 9, 2018 
science
i too need help
posted on September 21, 2018 
Science
Hehe IDIOTS NOobs CAN GET EPIC LE REKTED
posted on September 10, 2018 
ENGLISH
1.B 2.C 3.A 100% guaranteed
posted on October 5, 2017 
last science check
(Ya Welcome) is right.
posted on March 23, 2017 
math
With a cattle act...m8
posted on December 18, 2016 
Math
420
posted on October 31, 2016 
social subjects
Apalanchee tribe
posted on October 21, 2016 
Science
A) magnesium
posted on October 10, 2016 
Algebra 2
p(x)=x^3+6x^2+5x12 Describe the end behavior of the function
posted on September 29, 2016 
maths
Using nontrick solutions; There is no solution to this question using normal methods, as three odd numbers added together will always produce an odd number ( Is it possible for an odd number of odd numbers to be added together to create an even number? ).
posted on September 4, 2016 
Math  sets
Sorry for formatting of answer
posted on September 4, 2016 
Math  system of eqns
How did you get that though
posted on June 1, 2016 
math
Ubuntu
posted on November 11, 2015 
physics
which one is the answer..? #trustissues
posted on October 6, 2015