
math
24 men can do a work in x days and 32 women can do the same work in (x+8)days.the ratio of work done by 15 men and 12 women in the same time is 3:1,find value of x? ( ans 10) ?
asked by renjith on May 17, 2017 
Maths
the ratio of the number of boys to the number of girls in a class is 4:7. if there are 12 more girls than boys, find the total number of pupils in the class.
asked by Sarah on September 24, 2014 
arithmetic mean
the average age of 5 children is 8 years. if the age of the father is included , the average increased by 7 years. find the age of the father.
asked by vijay on January 8, 2018 
math
on a map of scale 1:20,000 the area of forest is 50cm^2 .on another map the area of forest is 8cm^2.find the scale of the second map.
asked by Reshma on May 29, 2011 
Chemistry
Mass of an empty flask and stopper is 55.844g. 5mL of an unknown liquid is added and heated in a water bath at 99.7 degrees C. It then cools down. The stopper is removed and then replaced. The weight of all of this is 56.101g. The volume of the flask is
asked by Gg on October 21, 2014 
Math
Consider the following test scores obtained by a class. Test score 90 80 70 60 50 Frequency 1 4 11 6 2 Find the standard deviation (rounded to the nearest hundredth).  I've posted this question earlier and I'm still getting
asked by Debin on December 4, 2012 
Quantum Physics
Suppose you are given an endless supply of qubit pairs in the state 1/sqrt(2)00> + e^iphi/sqrt(2)10>. To estimate the phase angle phi, you run Fourier sampling (i.e. Hadamard on each qubit followed by a standard basis measurement) on this state
asked by imath on October 15, 2013 
Calculus, AntiDerivatives
I need help with this problem: A car traveling at 43 ft/sec decelerates at a constant 5 ft per second squared. How many feet does the car travel before coming to a complete stop? I'm not sure where to start, i know how to find antiDerivatives, but i don't
asked by Mike on November 23, 2006 
English
Does anybody know any websites that will give me information on the benefits and salaries that a store manager and a hand model( jewelry and perfume) earns http://www.payscale.com/research/US/Job=Retail_Store_Manager/Salary I could find no information on
asked by Ron on May 20, 2007 
Physics
A spring with a force constant of 1.0 N/cm is compressed to a displacement of 10.0 cm. When released, it's energy is used to rotate a mass of 0.50 kg, secured by a spring, around in a circle with radius of 0.75 m, starting at the top of the circle. After
asked by Laura on December 15, 2015 
physics
A dockworker loading crates on a ship finds that a 20 kg crate, initially at rest on horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 60 N is required to keep it moving with a constant speed. Find the
asked by Anonymous on October 14, 2007 
i need help,math
okay i am completely lost after reviewing everything my mind is blank cans some one help me with the steps. Solve by completing the square x^2=5x+2 1st: You need to bring the 5x+2 to the other side so you have x^25x2 2nd: Find the values to where when
asked by jasmine20 on April 15, 2007 
ALGBRA
Consider the following test scores obtained by a class. Test score 90 80 70 60 50 Frequency 1 4 11 6 2 Find the standard deviation (rounded to the nearest hundredth).  I've posted this question earlier and I'm still getting
asked by Debin on December 4, 2012 
physics
You are watching an archery tournament when you start wondering how fast an arrow is shot from the bow. Remembering your physics, you ask one of the archers to shoot an arrow parallel to the ground. Unfortunately the archer stands on an elevated platform
asked by michaelJ on November 17, 2010 
math
A single card is selected from an ordinary deck of cards. The sample space is shown in the following figure. Find the following probabilities. (Enter the answers either as fractions or as decimals rounded to three places.) P(five of clubs) = 1 P(five) = 2
asked by Anonymous on August 24, 2012 
Writing
I'm stuck on 2 questions and could use a little help please! First question is When preparing a formal business presentation, the phase that can make or break your report is the_______ phase. A. organization B. revision C. writing D. outline I think it is
asked by Shaenna on August 13, 2009 
materials engineering, essay topics
I have to write a research paper and here is the topic. The paper should be on the use of a new or existing material in a new or unique way. It could also llok at a new or unique way of forming or processing a material. Basically, when i say material, it
asked by Anonymous on October 19, 2010 
Physics
Can't figure this one out. "In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calculus book along the dorm hallway. If the 3.5 kg book is pushed from rest through a distance of 0.88 m by the horizontal 25 N force
asked by Mark on February 20, 2011 
Physics
Instructions for finding a buried treasure include the following: Go 585.3 paces at 156◦ , turn to 215◦ and walk 282 paces, then travel 400 paces at 132◦ . Find the magnitude of the resultant displacement from the starting point. What is the
asked by Cam on September 5, 2018 
Math.
1) Find d in simplest radical form. Right square pyramid with equilateral triangular faces has 8 on all sides A) 4ã2 B) 8ã2 C) 4ã3 D) 8ã3 #2) Decide whether the statement is true or false. The sides of a regular polyhedron, although having to
asked by Raevan on July 25, 2010 
Calc 1
The function C(m) = .41m^2 + 6.7m  44/ .7m represents Miles Traveled per lb. of CO 2 released as a function of speed(in MPH) for a hyundai Sontana. the domain of this function is [10,90]. A) calculate C'(m) B)find the critical points of C(m). C)Where
asked by Melissa on November 6, 2016 
physics
Азот был нагрет при неизменном давлении. Масса азота равна 280 г, количество затраченного тепла равно 600 Дж и Сv = 750 Дж/(кг.К). Найти повышение
asked by lisa on May 29, 2011 
math correction
Find the slope of any line perpendicular to the line through points (0,5) and (3, 4). the slope i get is = 3 so the slope of any line perpendicular would be the reciprocal of 3 which is 3/1 is that the correct answer. or do i have to word it differenly
asked by jasmine20 on January 16, 2007 
Math
Use the clue bellow to find the mystery number:  The mystery number has 3 digits  The sum of the digits in the mystery number equals 16  The mystery number is greater than 800 and less than 825  All digits in the mistery number are even.
asked by Henry on September 22, 2016 
Chemistry
How do you find the ratio of moles of oxygen to moles of tin? What would be the Empirical formula of tin oxide from the result of ratio? From my calculations I got the moles as: Moles of oxygen = 1.761 x 10^2 Moles of Tin = 8.944 x 10^3 Thanks!
asked by Jake on February 11, 2012 
math
In a company there are 7 executives: 4 women and 3 men. 3 are selected to attend a management seminar. Find these probabilities. A) All 3 selected are men B) all 3 selected are women C) 2 men and 1 woman will be selected. D) 1 man and 2 woman will be
asked by Jon on April 1, 2009 
Math
A cyclist and a jogger start from a town at the same time and head for a destination 6 mi away. The rate of the cyclist is twice the rate of the jogger. The cyclist arrives 3 hr ahead of the jogger. find the rate of the cyclist. This is what i got so far
asked by Jamie on November 23, 2009 
chemistry
#1 A pipet delivers 10.5, 10.3, 10.9 and 10.7 ml (a) find the mean volume and deviation from the mean for each and calculate the average deviation from the mean (b) calculate the relative deviation (in %) for this set of data. Relative deviation (%) =
asked by joanne on December 10, 2012 
Algebra 1
"Graph each system of linear inequalities. Give two ordered pairs that are solutions and two that are not solutions." How do I find these solutions in order to "give two ordered pairs that are solutions and two that are not solutions."?
asked by Anonymous on January 15, 2014 
Math
Given; a=2.52, c=4.75 find the remaining parts of the right triangle. I found b which equals 4.03 but need help with the angle. We already know that one angle = 90 since its a right triangle. I just need to know angle A. Angle A = a)58 degrees b)32 degrees
asked by melinda on March 10, 2007 
Calculus
A particle moves with velocity function v(t) = 2t^2 − 3t − 3, with v measured in feet per second and t measured in seconds. Find the acceleration of the particle at time t = 2 seconds. a)3/4 feet per second^2 b)1 feet per second^2 c)32 feet per
asked by Jonathan on November 29, 2016 
area, perimeter
the perimeter of rectangle y is equal to its area. rectangle z has the same perimeter as rectangle y. the length of rectangle z is 5 inches and the width is 3 inches. explain how you can find the length and eidth of rectangle y.
asked by susie on April 4, 2011 
chemistry
#1 A pipet delivers 10.5, 10.3, 10.9 and 10.7 ml (a) find the mean volume and deviation from the mean for each and calculate the average deviation from the mean (b) calculate the relative deviation (in %) for this set of data. Relative deviation (%) =
asked by joanne on December 10, 2012 
Math
I wanted to double check my work. I am trying to find the domain: 1. f(x)= x+5 Answer: No Domain 2. f(x) = 1 X+5 Work: x+5≠0 X=5 Answer: (∞,5) ᴜ (5,∞) 3. f(x)= √x+2 Work: x+2 ≥ 0 x ≥ 2 Answer: [2,∞)
asked by kim on September 30, 2014 
PreCalc
When the polynomial p(x) is divided by (x–2), the remainder is 3 and when p(x) is divided by (x+1) the remainder is 9. Given that p(x) may be written in the form (x–2)(x+1)q(x) + Ax + B where q(x) is a polynomial and A and B are numbers, find the
asked by Anthony on December 2, 2017 
math
The width of a rectangle is three fourths of the length. The perimeter of the rectangle becomes 50 cm when the length and the width are each increased by 2 cm. Find the length and the width.
asked by risha on April 27, 2011 
Maths
In a class of 50 students,24 students have taken maths,16 have taken maths but not geography.Find the students who have taken geography but not maths,if all the subjects have taken at least one of the subject
asked by Rishab on July 17, 2016 
Algebra
Logan saves $5.50 in dimes and quarters over a week. He has 20 more dimes than quarters. Find the number of dimes and quarters he saves.
asked by Kyle on September 23, 2014 
algebra
Find a ratio, and simplify to lowest terms Rise and run. If the rise is 3/2 and the run is 5, then what is the ratio of the rise to the run?
asked by Sandra on July 17, 2009 
algebra
Find the slope intercept equation of the line that has given characteristics slope 7.7 and yintercept ( 0,5). The slopeintercept equation is y= I came up with y= 2 am I close
asked by sonia on October 22, 2009 
math
Find the measure of angle DBC if the measure of angle ABD is 36 degrees and the measure of angle ABC is 74 degrees.
asked by liz on June 28, 2010 
MathLinear Equations
Please let me know if I understand this correctly. Find the slope and the yintercept of each equation: 1)y9x= 1/2 +9x= 1/2 + 9x y= 1/2 + 9x slope:9; yintercept: 1/2 2)2y6=3x +6 +6 2y=3x + 6   2 2 so then: y=3x+3 3) 2y=6(53x) 2y= 3018x   2 2
asked by Kate on January 16, 2012 
Math
In 3 minutes I can type 192 words. and in 5 minutes I can type 311 minutes. Find how many words I can type per minute. Help please.
asked by Melanie on February 12, 2014 
math
determine the next three numbers in this pattern: 2,3,5,7,11,13,17,19,23,___,___,___ Aren't these all prime numbers? Find the next three numbers in the pattern. 5,2,1,4 3,2,0,3,7 8,6,2,4,12 5,7,8,10,11
asked by shayla on August 28, 2006 
algebra
heres one. find the slope intercept equation of the line that has the given characteristics. slope 2 and y=intercept (0,3) the slope intercept equation is y=
asked by me on December 20, 2009 
6th grade math
Which expression could you use to find the measure of an angle that is supplementary to 63 degrees. A) 90 degrees + 63 degrees B) 90 degrees  63 degrees C) 180 degrees + 63 degrees D) 180 degrees  63 degrees
asked by Sue on February 1, 2010 
algebra
the diameter of a small pizza is 16cm. this is 2 cm more than two fifths of the diameter of a large pizza. find the diameter of the large pizza?
asked by ???E on December 30, 2008 
Math  ln
Find ln(1/(√(ab^3)) of lna = 2 and lnb = 3. = ln1  ln(ab)^(3/2) = ln1  lna^(3/2) + lnb^(3/2) = 0  3/2(lna) + 3/2(lnb) = 3/2(2) + 3/2(3) = 1.5 textbook answer is 5.5 ... where did I go wrong?
asked by Anonymous on January 24, 2009 
math/geometry
the area of one triangle is 9dm^2 and its perimeter is 4x4. The area of a similar triangle is 4dm^2 and its perimeter is 2x+6. Find the perimeter of each triangle.
asked by katie on November 11, 2008 
Geometry
Triangle ABC is congruent to triangle XYZ . Angle A measures 50 , angle B measures (2x+40) and angle X measures (4x+8) . Find the value of x.
asked by kim on July 18, 2011 
maths
If sin theta is 8÷17;cos beta is 9÷41 where theta is obtuse and beta is acute. Find sin(theta + beta)
asked by x on August 15, 2017 
Maths
the points A,B,C and D lie on a straight line. The ratio of the length of AB to the length of BC is 3:4 and the ratio of the length of AC to the length of CD is 2:1. Find the ratio of the length of BC to the length of AD ?
asked by Tarun on November 30, 2016 
Math
Hi  I'm reposting this thread as there was some encoding issues in previous version that I clarified near bottom. Thanks. Hi  I'm having problems drawing a diagram for the following question. The part I find unclear is "they mark a point A, 120 m along
asked by Dee on August 21, 2011 
statistics
Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 689599.7 rule to find the following quantities: Suggest you make a drawing and label first… a.Percentage of scores less than
asked by Kim on June 8, 2010 
Pre Calculus
Two forces with magnitudes of 150 and 75 pounds act on an object at angles of 30° and 150°, respectively. Find the direction and magnitude of the resultant force. Round to two decimal places in all intermediate steps and in your final answer. Having lots
asked by maria on August 18, 2016 
Math Probability
We have looked at the probability that two nonmutually exclusive events A or B can happen in this learning experience. We will take it one step further and look at the probability that event A or B or C will happen. The formula is: P(A or B or C) = P(A) +
asked by chels on February 20, 2016 
Calculus
You are an engineer in charge of designing the dimensions of a boxlike building. The base is rectangular in shape with width being twice as large as length. (Therefore so is the ceiling.) The volume is to be 1944000 m3. Local bylaws stipulate that the
asked by Veronica on November 13, 2011 
algebra 2
Science and medicine. Find the time required for an object to fall to the ground from a building that is 1400 ft high. using the formula : t = 1/4 radical (s) t=1/4 radical 1400 t= 10 radical 14*1/4 t= 5 radical 14 /2 what are I doing wrong I am suppose to
asked by Tom on May 11, 2007 
Physics...
Question In an experiment a gas was found to obey the following equation of state: (P + 10^3)V = 2.5 x 10^4 J Find the work done when the gas expands from 1 m3 to 3 m3. _______ the answer is suppose to be 2.55 x 104J ____________ what i did so far 2 ways i
asked by Kimora on November 12, 2008 
Algebra 2 ..
during a sale, a music store is selling all drum kits for 20 percent off. Preferred customers also receive an additional fifteen percent off. Write a composite function to represent the final cost of a kit that originally cost c dollars. Find the cost of a
asked by Anonymous on February 19, 2013 
PHYSICSS
Question In an experiment a gas was found to obey the following equation of state: (P + 10^3)V = 2.5 x 10^4 J Find the work done when the gas expands from 1 m3 to 3 m3. _______ the answer is suppose to be 2.55 x 104J ____________ what i did so far 2 ways i
asked by Kimora on November 12, 2008 
physics
The cheetah can reach a top speed of 114km/h (71mi/h). While chasing its prey in a short sprint, a cheetah starts from rest and runs 50m in a straight line reaching a final speed of 91 km/h. a.) Determine the cheetah's average acceleration during the short
asked by george on February 3, 2013 
Physics
An electromagnetic wave has an electric field strength of 145 V/m at a point P in space at time t. A parallelplate capacitor whose plates have area 0.109 m2 has a uniform electric field between its plates with the same energy density as the answer to part
asked by Drew on July 1, 2010 
Physics
A uniform, solid, spherical asteroid with mass 1.2 * 10^13 kg and radius 1.0 km is rotating with a period of 4.6 hours. A meteoroid moving in the asteroid's equatorial plane crashes into the equator at 9.0 km/s. It hits at a 58° angle to the vertical and
asked by Zack on November 9, 2012 
Calculus
During a sale, a music store is selling all drum kits for 20 percent off. Preferred customers also receive an additional fifteen percent off. Write a composite function to represent the final cost of a kit that originally cost c dollars. Find the cost of a
asked by Anonymous on September 20, 2012 
Science
Look at the table of radioactive isotypes below. Isotype Type of Decay Uranium238 Alpha Nickel63 Beta Iodine131 Beta Radium226 Alpha With the help of a periodic table, predict the element that forms in each case. I'm confused by this. Am I suppose to
asked by Ninan on May 19, 2014 
Calculus
Bruce has commissioned the construction of an opentop rectangular tank to be fashioned from a 3m by 5m sheet of steel. Squares will be cut from each corner and sides will be bent upward to form the tank to be used for live bait storage. Find the
asked by Mike Sowells on April 11, 2013 
Algebra 2
during a sale, a music store is selling all drum kits for 20 percent off. Preferred customers also receive an additional fifteen percent off. Write a composite function to represent the final cost of a kit that originally cost c dollars. Find the cost of a
asked by Anonymous on September 18, 2012 
Physics
A small boy of mass 0.2kg moves uniformly in a circle on a horizontal frictionless surface, attached by a cord 0.2m long to a pin set in the surface. If the body makes two complete revolutions per second, find the force P exterted on it by the cord. The
asked by Febby on April 12, 2007 
Calculus
A stone is dropped from the upper observation deck of a tower, 200 m above the ground. (Assume g = 9.8 m/s^2.) a)Find the distance (in meters) of the stone above ground level at time t. b)With what velocity does it strike the ground? (Round your answer to
asked by John on November 13, 2011 
World History
It would be nice if someone could please help me find a good map of East Egypt near the Red Sea, this map needs to include the peninsula names, the river's names, the mountain's names, and the desert's name. thank you so much =] These maps should help you.
asked by lynn on August 21, 2007 
physics
In this problem, we will carry out some steps of the quantum factoring algorithm for N=91. (a) What is the period k of the periodic superposition set up by the quantum factoring algorithm if it chooses x=8? I.e. what is the period of f(j)=8j(mod91) (b)
asked by manu on October 13, 2013 
Brothers Karamazov
I do not understand why Dmitri originally doubted that Smerdyakov murdered Fyodor but later changed his mind and thought Smerdyakov murdered Fyodor. Be sure to go into www.sparknotes.com/lit and find this book under the B's  then read the section called
asked by carter on September 14, 2006 
math
please people i need your help. *Equal squares as large as possible are drawn on a rectangular board measuring 50 cm by 70 cm. Find the size of the square. Steve today at 8:18pm assuming you mean to cover the entire board, then since GCD(50,70)=10 The
asked by kelvin on May 20, 2018 
LA
Choose the option that best completes the multidraft reading process for poetry. First Read: Read to unlock the basic meaning of the poem. Second Read: ????? Third Read: Find relationships between ideas in the poem. 1. Consider how the poems structure
asked by Help please on January 25, 2017 
Algebra 1
During a sale, a music store is selling all drum kits for 20 percent off. Preferred customers also receive an additional fifteen percent off. Write a composite function to represent the final cost of a kit that originally cost c dollars. Find the cost of a
asked by Anonymous on September 19, 2012 
physics
Suppose you pour 0.310 kg of 20.0°C water into a 0.600 kg aluminum pan off the stove with a temperature of 167°C. Assume that the pan is placed on an insulated pad. What would be the final temperature (in °C) of the pan and water if 0.0300 kg of the
asked by Kloe on June 24, 2018 
Calculus
A stone is dropped from the upper observation deck of a tower, 200 m above the ground. (Assume g = 9.8 m/s^2.) a)Find the distance (in meters) of the stone above ground level at time t. b)With what velocity does it strike the ground? (Round your answer to
asked by Matt on July 4, 2019 
calculus
Quadratic function written in standard form where a, b, and c are constants such that a is not zero. f(x)= ax^2+bx+c Using calculus find the vertex of the parabola formed by this quadratic function. Determine under what conditions this vertex is a maximum
asked by Janet on May 8, 2011 
PhysicsAnswer Check
You have an LED bulb that uses 4 watts of power and gives an output of 170 lumens. The operating voltage is 120 volts. Using this data, find the following. 1. What is the current that the LED bulb uses? Ans. 0.03 ampere 2. What is the effective resistance
asked by Anonymous on May 10, 2017 
statistics
Researchers found that 30% of the larch trees in a certain geographical area had been damaged by fungi. (No fun, guy.) Consider a sample of 20 (independent) beach trees from the area. (a) What is the probability that fewer than half are damaged by fungi?
asked by Bud on February 16, 2014 
Math
A school has an equal number of boys and girls. You use a coin to simulate the first three students to arrive at school each day, where “heads” represents a boy and “tails” represents a girl. The table below shows a sample of 20 coin tosses T H T T
asked by unknown on January 15, 2016 
Physics MCAT, Help please
A box of mass m = 6kg slides with speed v = 4 m/s across a frictionless floor. It suddenly explodes into two pieces. One piece, with mass m1 = 2kg moves in the same direction with speed v1 = 8m/s. Find the velocity of the second piece. Its answer is 2 m/s
asked by Shahab Mirza on September 24, 2014 
math
the dimensions of a rectangular prism are height 7 feet, width 4 feet and length 3 feet find the surface area part 2: dimensions of the cylinder are height 7 feet and radius 3.5 feet solve with a decimal then round to the nearest half foot. part 3 you have
asked by kim on November 27, 2010 
math  Calc optimization
You are an engineer in charge of designing the dimensions of a boxlike building. The base is rectangular in shape with width being twice as large as length. (Therefore so is the ceiling.) The volume is to be 1944000 m3. Local bylaws stipulate that the
asked by J Velji on March 29, 2011 
Science
Can anyone help me find the halflife of strontium90? I also need an explanation on how to do it. Thanks!! Radioactive Decay of Strontium90: At 0 years: 100% remaining At 28 years: 50% remaining At 56 years: 25% remaining At 84 years: 10% remaining At
asked by Jane on March 12, 2015 
Algebra II
The measure of the largest angle of a triangle is 90 more than the measure of the smallest angle, and the measure of the remaining angle is 30 more than the measure of the smallest angle. Find the measure of each angle. Show your work in obtaining your
asked by Monique on June 9, 2014 
math
The midpoint of two points is (6,2). If one of the points is (3,5), find the other point. x_m = (x_1 + x_2)/2 6 = (3 + x_2) / 2 = 3 + x_2 x_2 = y_m = (y_1 + y_2)/2 2 = (5 + y_2) / 2 = 5 + y_2 y_2 = Endpoint (x_2, y_2)= ( , )
asked by Anonymous on July 1, 2014 
Chemistry
If I have 0.17g of Mg and 0.10g of O, and I am asked to find the empirical formula for magnesium oxide, is the following the right way to go about it? Convert g> mol 0.17g=0.01mol Mg 0.10g=0.01mol O Divide by smallest mole amt. (0.01mol) 0.01mol/0.01mol=1
asked by Anonymous on October 13, 2009 
English
Sorry if I ask on this too much. Could you tell me what is the Sumatra Crescent in relation to a quarrel between two, persons, animals or some other living form, associated with possibly the sublimity in literature of the Romantic era. I Googled Sumatra
asked by elda on April 24, 2007 
English
Writecher, I need your help to revise this. Thank you. 1) I really hope that you read my presentation of your school and that you liked it. As a matter of fact, I've just emailed it to our history teacher, who is going to set up a link to your school
asked by Matthew on March 26, 2012 
High School Physics
Paleontologists estimate that if a Tyrannosaurus rex were to trip and fall, it would have experienced a force of approximately 260,000 acting on its torso when it hit the ground. Assuming the torso has a mass of 3800 kg, find the magnitude of the torso's
asked by Mia on September 23, 2009 
Analytic Geometry
A circle at the origin whose is 2 units is 2 is inscribed in a right triangle whose base is 8 units and altitude 6 units. Find a) The equation of the circle b)The area and circumference of the circle c)The area of the right triangle exluding the area
asked by Jnr John on August 11, 2014 
math help quickly
Find the length of the total time, of the journey of Sky Lab 4 was, in days, hours, and minutes. Then convert the time of the journey into just hours. Also, convert the time of the journey into just minutes. Show your calculations.
asked by math project on May 4, 2009 
math
find a number that: it is a 3 digit number larger than 399 and smaller than 500 both digits in the tens place and ones place are odd and their sum is equal to 5 the digit in the ones place is larger than the digit in the tens
asked by Mahinoor on April 30, 2015 
math
Dina and Masha start out on a bike path 10 km long at the same time. When Dina reaches the end of the 10 km, Masha still has 2 km left to bike. If Dina’s biking speed is 5 km/h, find Masha’s biking speed.
asked by elizabeth on May 15, 2016 
HELP NEEDED ASAP
Dina and Masha start out on a bike path 10 km long at the same time. When Dina reaches the end of the 10 km, Masha still has 2 km left to bike. If Dina’s biking speed is 5 km/h, find Masha’s biking speed.
asked by PLEASE HELP :) on May 20, 2016 
geometry
Two chords intersect a circle. The shorter chord is divided into segments of lengths of 9 inches and 12 inches. The longer chord has a length of 24 inches. Find the length of the shorter portion of the longer chord .
asked by Sara on November 24, 2010 
Math
Ian gets $9 for each hour he works and $10for each day he works. To find out how much he makes in a day, he made the equation y=9x+10x, where x is the number of hours he works. Explain why Ian's equation will not tell him how much he makes in a day.
asked by Monique on April 16, 2015 
Math
A student collects 12 ladybugs for a science project. This is nine fewer than the number of ladybugs the student collected yesterday. Write and solve an equation to find the number of ladybugs the student collected yesterday.
asked by Anonymous 🧸 on November 28, 2018
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