Questions Asked on
July 23, 2016

Probability
A customer at Cavallaro’s Fruit Stand picks a sample of 3 oranges at random from a crate containing 60 oranges, of which 4 are rotten. What is the probability that the sample contains 1 or more rotten oranges?
asked by Brandon 
Physical Science
Green light has a frequency of about 5.3Hz×1014Hz. Using the relationship c=fλ, find its wavelength in air.
asked by Hannah 
Algebra
The ratio of the areas of two squares is 32/63. After rationalizing the denominator, the ratio of their side lengths can be expressed in the simplified form (a*sqrt b)/c where a, b, and c are integers. What is the value of the sum a + b + c?
asked by Martin 
math
An organizational psychologist measures levels of job satisfaction in a sample of 30 participants. To measure the variance of job satisfaction, it is calculated that the SS = 120 for this sample. What are the degrees of freedom for the variance? Compute
asked by Misunderstood  Please help. 
physic
A 2000 kg car is traveling at 20.0 m/s. Then, it puts on the brakes and comes to a complete stop. The heat generated due to the stopping heats up the brakes. The mass of the brake system is 20.0 kg and it has a specific heat of 0.200 kcal/kg °C. What is
asked by aina 
Help me anyone  PreCalc
A farmer uses an irrigation sprinkler system that pivots about the center of a circular field. Determine the length of the sprinkler if an area of 2340 square feet is watered after a pivot of 20°. P.S: The formula is A=1/2 theta r^2 Please help me. Thank
asked by chizoba 
Grammar
An introduction must contain a thesis statement. 1. True 2. False I answered true. Please check my work
asked by Tim 
Grammar
Topic sentences in body paragraphs should usually show some relationship to an idea from the introduction or thesis statement. 1. True 2. False I answered true. Check my answer for me and thanks.
asked by Tim 
Small Business Management
You've arrived at the Pecan Shellers conference—your first networking opportunity. Naturally, you're feeling nervous, but to avoid seeming insecure or uncertain, you've decided to A. square your shoulders before entering the room. B. hold an empowered
asked by Queen B 
Business Management
Which in of the following approaches would make it easier to network with new business contacts at a social gathering? A talking only to those you think can help you B keeping your drink in your left hand C always introducing yourself in the same
asked by French Fries 
math
on average , exante express trains are 50km/h faster than Paral passenger trains. A paral train requires 60% more time than an exante train to travel 1800 km from matsay to rawindi calculate the average speed of each train calculate the time it takes each
asked by rosa 
mathematics
the 10th term of an arithmetic sequence is equal to the sum of 40 and 5th term.If the 15th term is 127 what is its common difference?what is its first term?what is the sum of the first 30 terms.
asked by krishna 
math
find the capacity of an oil tank if an addition of 15 gallons raises the reading from 1/4 full to 5/8 full
asked by sh 
Math
The amount of active ingredient of medicine ingested by the body, A in milligrams, is a function of time, t, in hours, given by A(t)=5/8(12tt^2). a)Determine the average rate of change of the amount of medicine ingested during each of the intervals below
asked by ba 
Math
Jessica bought an antique candle holder for $300. The antique appreciates in value by 5.5% per year. When will the value of the candle holder by $3000? Round the answer to the nearest tenth.
asked by ba 
Math
Solve the equation using exact values. Check for any extraneous roots. 9^2x+4(9^x)=21.
asked by andre 
math
two employees X and Y are paid a total of rs. 550 per week by their employer. if X is paid 120 percent of the amount paid to Y, how much is Y paid per week
asked by sh 
English
Which word is the subject and verbs in the sentence. Jamie's dog and his cat are good friends, most of the time. subject: dog and cat verb: are Is this correct?
asked by Kimmy 
Grammar
A thesis statement clarifies the main point an essay will make. 1. True 2. False I answered true. Please check my work.
asked by Tim 
chemistry
You can temporarily receive relief from acid indigestion by using an antacid that contains a base. Why is it not a good idea to use an antacid routinely? (2 reasons)
asked by Lara 
math
3x+y=6/2xy=1
asked by Anonymous 
math
SAC held a spring fling. SAC provides the following formulas about the spring fling. 1. The number, N, of people who attend the park is a function of price, p, in dollars: 𝑁(𝑝) = −(𝑝 + 5)(𝑝 − 17) assuming the minimum ticket price is $12. 2.
asked by Sherry 
Math
For a certain day, the depth of water, h, in metres in Tofino, B.C at time t, in hours, is given by the formula: h(t)=7.8+3.5sin[pi/6(t3)], tE[0,24]. Assume t=0 represents midnight. Provide an algebraic solution to determine the time(s) of day, the water
asked by Aidan 
Math
Two software companies are developing new android apps. The average profit per x hundred downloads earned by each company can be modelled by the rational functions below, where x > or equal to 0. Trance Media: G(x)=80x+150/x Ellen's incorporated:
asked by angelina 
QUANTITATIVE
when 3 times a certain number is subtracted from 14 , the result is 2 more than R. which of the following equations expresses the value of R.
asked by USAMA 
physics
A 16.0g bullet is shot into a wooden block at rest with mass 4550 g on a frictionless surface. The bullet strikes and is lodged in the block, causing is to slide at a speed of 1.20 m/s. Find the speed of the bullet (in m/s) before striking the block.
asked by Matt 
Busines
You've arrived at the Pecan Shellers conference—your first networking opportunity. Naturally, you're feeling nervous, but to avoid seeming insecure or uncertain, you've decided to F. square your shoulders before entering the room. G. hold an empowered
asked by Jay jay 
physics
Ball A with a mass of 0.500 kg is moving east at a velocity of 0.800 m/s. It strikes ball B, also of mass 0.500 kg, which is stationary. Ball A glances off B at an angle of 40.0° north of its original path. Ball B is pushed along a path perpendicular to
asked by Matt 
math
the length of a rectangle is increased by 25%. by what percentage should the width be decreased so that the area of the rectangle remains unchanged
asked by sh 
math
on a radio tower, a red light flashes every 6 seconds and a blue light flashes every 10 seconds. if both lights flash together at a certain time, how many seconds later will both lights flash together the next time
asked by sh 
physics
if an 80 meter high object placed 2 meter from a convex lens forms an image whose distance from the object is 2 meter; show with the aid of a diagram with appropriate scale the height of the image formed and confirm your answer using mirror law formula?
asked by amara 
math
after reducing the price by 20%, a calculators new price is $10. the original selling price of the calculator was?
asked by sh 
Calculus
A 20m ladder is leaning against a wall. Top of ladder is sliding down at 3m per second and the bottom is sliding away from the wall at 4m per second. How high is the top of the ladder and far is the bottom of the ladder from the wall.
asked by Erica 
math
a certain store sells two types of pen: one type for rs. 2 per pen and the other type for rs. 3 per pen. if a customer can spend up to rs. 25 to buy pens at the store, what is the greatest number of pens the customer can buy
asked by sh 
Math
solve these questions using distributive property 30% Of 10= 30% of 20= 30% of 30=
asked by James 
Calculus  Differentials
The diameter of a shpere is measured to be 6 inches with a possible error of 0.05 inches. Use differentials to estimate the maximum error in the calculated surface area. I've gotten this far: A=4pir^2 dA=8(pi)(r)(dr) Since the problem gives me the diameter
asked by Brad 
English
Identify each sentence as declarative, imperative, interrogative or exclamatory. Add the proper punctuation. 1. Try to name another American inventor. I added a period and called it imperative. Is this correct? 2. Imagine the traffic problems we'd have
asked by Kimmy 
Maths
If X=loga(n), y=logc(n) where nis not equal to one . Prove that xy/x+y=logb(c)logb(a)/logb(c)+logb(a)
asked by Joel 
English
Identify each sentence with declarative, interrogative, imperative or exclamatory and add punctuation. 1. Be thankful that George Eastman invented the film for your camera. Answer: declarative 2. How easy is it to take pictures today? Answer: interrogative
asked by Kimmy 
Math
In a twodigit number ,the digit at the units place is douale the digit in the tens place. The number exceeds the sum of digits by18.find the number.
asked by Krishna v 
chemistry
Vanadium is an environmental pollutant originating from some types of steel, but also from the combustion of fossil fuels. The amount of V2+ in an unknown sample is determined by potentiometric titration by 7.62 mM permanganate ion, MnO4  . 25.00 mL of
asked by siri 
Math
What 12 times 20
asked by Jasmin 
Math
Solve the equation X + 24 = 36; x =
asked by Daniel 
math:age
salima's current age is half that of her uncle.9 years ago the age of salima was 1/3 the current age of her uncle. Find the current age of Salima
asked by kelvin 
Linear equations in 1 variable
There are x no of 5 rupee coins and the no. of 2 rupee coins is 3 times more than the no of 5 rupee coins. Their total sum=₹77. Find the number of ₹2 coins and ₹5 coins.
asked by Sailikhit 
Physics
A weight suspended from an ideal spring oscillates up and down with a period T. If the amplitude of the oscillation is doubled, the period will be ? A. 1.5 T B. 2T C. T/2 D. T E. 4T
asked by SAGAR 
English
You wil soon turn 16 and your parents have arranged a special birthday party for you.write an invitation card to your favourite teacher whom you want to deliver a message of support and motivation to you on this special day.how do i write it?
asked by Mbaly nkosy 
Maths
How would you solve the equation: 15 = 2x + y
asked by Jen 
Math
A watch loses five seconds every one hour How many minutes will it loss in two days
asked by Isaac 
Maths
The sum of the first and third terms of a G.P.is 7/3 and the sum of the second and fourth term is 7/4.Fin the first and the common difference
asked by Efa 
Physics
A car takes up from west and accelerate uniformly at the rate of 4m/s square until it reaches a velocity of 10m/s. It then maintains this speed for 5secs and later decelerate at the rate of 2m/s square till it reaches its destination a) draw the velocity
asked by Alif 
math
the sum of two numbers is 25. the second number is 5 more than the other one. find the numbers.
asked by joshua 
Math
One side of a rectangle is 2cm longer than the other side .its area is 195cmsquare .find its perimeter
asked by Abdullah 
physics
A man walked 10 m north, then 5 m south. What distance did he walk? What is his final displacement?
asked by Face off 
Grammar
Each sentence in a paragraph should relate to the idea that the topic sentence introduces. 1. True 2. False I answered true. Please check my answer and Thank you for your help.
asked by Tim