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Questions Asked on November 20, 2016

Prove that:(cos40-sin30)/sin60-cos50=tan50
1. 2 answers
2. asked by Rabinprakash
3. 5,311 views
A candy manufacturer makes two types of special candy, say A and B. Candy A consists of equal parts of dark chocolate and
1. 5 answers
2. asked by She
3. 5,025 views
What is the solution to (4 x 10^3) x (3 x 10^4) written in scientific notation?a)) 12 x 10^8 b)) 1.2 x 10^7 c)) 1.2 x 10^8 d))
1. 15 answers
2. asked by Jonie
3. 4,641 views
Suppose that you are to make a rectangular box with a square base from two different materials. The material for the top and
1. 2 answers
2. asked by Allie
3. 4,330 views
Consider the graph of the function f(x)=x^2-x-12a) Find the equation of the secant line joining the points (-2,-6) and (4,0). I
1. 2 answers
2. asked by Ray
3. 3,811 views
A toy rocket is launched form a 3m platform, at 8.2m/s. The height of the rocket is modelled by the equation h=-4.0t^2+8.1t+3
1. 1 answer
2. asked by Rachel
3. 3,151 views
Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing three red marbles, three green ones,
1. 1 answer
2. asked by Ana
3. 3,109 views
An 18 meter ladder leaning against a building makes a 70 angle with ground. How far up the building does the ladder touch?
1. 1 answer
2. asked by Joana
3. 2,644 views
Describe how the products of fat digestion enters a person blood?
1. 4 answers
2. asked by hamza
3. 2,464 views
Adrienne, Betty and Cathy were the only three competitors participating in a series of athletic events. In each event, the
1. 3 answers
2. asked by Gizmo
3. 1,867 views
The adjacent sides of a parallelogram are 45 cm and 28 cm. Find the sum of the squares of itsdiagonals.
1. 1 answer
2. asked by Pushkar
3. 1,852 views
A car traveling 60 mi/h along a straight road decelerates ata constant rate of 11 ft/s2. (a) How long will it take until the
1. 2 answers
2. asked by hamza
3. 1,760 views
suppose hector dilates the rectangle shown below with the center of dilation at 0,0 and a scale factor of 2 and then translates
1. 1 answer
2. asked by lisa
3. 1,695 views
A factory is located on one bank of a straight river that is 2000 m wide. On the opposite bank but 4500 m downstream is a power
1. 1 answer
2. asked by Anonymous
3. 1,540 views
The heights of women in a certain population have a Normal distribution with mean 64 inches and standard deviation 3.5 inches.
1. 1 answer
2. asked by Sarah
3. 1,515 views
tom is marking the locations of active volcanoes on a world map. how the locations of the volcanoes are related to earths plats.
1. 2 answers
2. asked by carly
3. 1,487 views
From a point A, 30 meters from the base of a building B, the angle of elevationto the top of the building C is 56 degrees. The
1. 1 answer
2. asked by Ellie
3. 1,375 views
5. How can you demonstrate the differences in the perspectives about Texas and its independence with historically accurate
1. 4 answers
2. asked by Ariana Grande
3. 1,369 views
How can you demonstrate the differences in the perspectives about Texas and its independence with historically accurate facts?Ho
1. 1 answer
2. asked by Freddy FazBear
3. 1,366 views
Jan ran for 1 hour and 15 minutes. If Jan can run a mile in 7.5 minutes, how many miles did she run?
1. 2 answers
2. asked by Angelisa McEachern
3. 1,347 views
The mean score of the students who took a mathematics test was 6. Exactly 60% of thestudents passed the test. The mean score of
1. 1 answer
2. asked by Saleha
3. 1,283 views
Below are a few questions I had difficulty with so please check my answers and correct me if I am wrong, thanks :)1. Kim, a
1. 1 answer
2. asked by Raye
3. 1,226 views
A person deposited 100000 in a bank for three years. The Bank paid interest at 8% per annum compounded half yearly during the
1. 3 answers
2. asked by Shahzaib
3. 1,207 views
In a math class 70 students received an A on the third test, which is 175% of the students who received an A on the second test.
1. 1 answer
2. asked by Jessica
3. 1,169 views
What is the average miles per gallon (mpg) for all new cars? Using Consumer Reports, a random sample of 35 new cars gave an
1. 0 answers
2. asked by Amy
3. 1,137 views
help me please!What is the pressure in millimeters of mercury of 0.0160 mol of helium gas with a volume of 214 mL at a
1. 1 answer
2. asked by Liselle
3. 1,103 views
Rs.200 is invested at the end of each month in an account paying interest 6% compounded monthly. What is future value of annuity
1. 1 answer
2. asked by Shahzaib
3. 1,079 views
There are 3 blue pens, 4 red pens and 5 yellow pens in a box. Without looking, I take pens from the box one by one. How many
1. 1 answer
2. asked by AMT help
3. 1,062 views
A researcher collated data on Americans’ leisure time activities. She found the mean number of hours spent watching television
1. 0 answers
2. asked by faa
3. 1,057 views
With the existing colonies or dependencies of any European power we have not interfered and shall not interfere....Our policy in
1. 1 answer
2. asked by Annoymous
3. 979 views
write y=(-3/4)x+3 in standard form using integers.A. 3x+4y=12 B.3x+4y=-12 C. 3x-4y=12 D. -3x+4y=12 is a the answer
1. 1 answer
2. asked by Leslie
3. 979 views
3. What type of court has original jurisdiction over a case involving an American suing a citizenof another
1. 2 answers
2. asked by Anonymous
3. 961 views
Five people are sitting around a circle. Some always tell the truth, whilst others always lie. Each person claims to be sitting
1. 1 answer
2. asked by Jonas
3. 928 views
A uniform compressive stress σz is applied to the surface of the metal alloy, and it may be assumed that there is no friction
1. 0 answers
2. asked by karthik
3. 886 views
A farmer is going to divide her 60 acre farm between two crops. Seed for crop A costs $20 per acre. Seed for crop B costs $10
1. 1 answer
2. asked by JARED
3. 879 views
A curve has equation y = 10 + 8x + x^2 - x^3. X >= 0a)Find the coordinates of the turning point. and show whether it is maximum
1. 1 answer
2. asked by kale
3. 869 views
A small island is 2 km off shore in a large lake. A woman on the island can row her boat 10 km/h and can run at a speed of 20
1. 1 answer
2. asked by Anonymous
3. 866 views
Budgeting is _______________________________. (Points : 1)A an exact science B going to involve the use of estimates C not going
1. 1 answer
2. asked by madam
3. 858 views
A pool has a uniform circular cross section of radius 5 metre and uniform Dept 1.4 metre it is filled by a pipe which delivers
1. 0 answers
2. asked by Ppp
3. 838 views
Below are a few questions I had difficulty with so please check my answers and correct me if I am wrong, thanks :)1. Kim, a
1. 3 answers
2. asked by Raye
3. 805 views
A toy rocket is launched form a 3m platform, at 8.2m/s. The height of the rocket is modelled by the equation h=-4.0t^2+8.1t+3
1. 1 answer
2. asked by Rose
3. 803 views
When a 85.0 kg. person climbs into an 1800 kg. car, the car's springs compress vertically 1.8 cm. What will be the frequency of
1. 0 answers
2. asked by kassy
3. 801 views
What are the major species in solution during the titration of citric acid with a strong base?
1. 0 answers
2. asked by Lyn
3. 791 views
All of the following are parts of a Master budget except a___________________. (Points : 1)A sales budget B production budget C
1. 1 answer
2. asked by madam
3. 779 views
Ade is four times as old as his sister Sola.If the sum of their ages is 20.Find the difference of their ages.
1. 3 answers
2. asked by Faith
3. 756 views
A girl swims across a river. When she swims in still water, she swims at 1.25 m/s, the river flows parallel to its banks at v
1. 1 answer
2. asked by Andrew
3. 756 views
A toy rocket is launched form a 3m platform, at 8.2m/s. The height of the rocket is modelled by the equation h=-4.9t^2+8.1t+3
1. 1 answer
2. asked by Rose
3. 755 views
On a clock face, a line is drawn between 9 and 3 and another between 12 and 8. What is the acute angle between these lines?A.45
1. 2 answers
2. asked by Math help
3. 749 views
A 35.1 g pinball starts at the top of a frictionless pinball table inclined at 46.0°. If the ball is released and the spring at
1. 0 answers
2. asked by Physics Lover
3. 737 views
The block of mass 3.43553 kg has an accelerationof 2.1 m/s^2 as shown. / / F a _____________ <-/ )23 degree <---- |_3.43553kg_|
1. 1 answer
2. asked by Jules
3. 732 views
Suppose you will be taking exams in English, statistics and chemistry tomorrow and from past experience you know that for each
1. 0 answers
2. asked by rhinechilde
3. 723 views
A fisherman's scale stretches 2.3 cm. when a 2.1 kg. fish hangs from it. What will be the frequency of vibration if the fish is
1. 0 answers
2. asked by kassy
3. 722 views
Treena is a personable student in Mr. Jordan’s math class. Mr. Jordan can see that Treena is popular with her peers. He
1. 4 answers
2. asked by nay
3. 716 views
A car is proceeding at a speed of 12.0 m/s when it collides with a stationary car in front. During the collision, the fist car
1. 0 answers
2. asked by Josh
3. 711 views
linear programming programming by graphing and then determining which vertex minimizes the objective function G=4x+3y .{5x+15y�
1. 1 answer
2. asked by JARED
3. 707 views
What are the major species in a solution during the titration of citric acid with a strong base such as NaOH?
1. 0 answers
2. asked by Lyn
3. 704 views
If the angle of elevation of the sum at the given time is 30° then find the length of the shadow cast by the tower of 150 feet
1. 1 answer
2. asked by Gargee
3. 701 views
To increase the acidity of soil, you can add peat, which contains a complex acid mixture known as humic acid. The complexity of
1. 0 answers
2. asked by Julia
3. 699 views
When 5 is added to both the numerator and denominator of a fraction the result becomes 1/2.When 1 is subtracted from both the
1. 1 answer
2. asked by hamza
3. 688 views
A wheel is rotating with angular velocity 14 rev/s. What angular acceleration would be needed to bring the wheel to rest in a
1. 1 answer
2. asked by Mary
3. 684 views
Toffees are bought at 4 for a rupee and the same number at 6 for a rupee. Then, theyare mixed and sold at 5 per rupee. What is
1. 1 answer
2. asked by Anonymous
3. 682 views
A nichrome wire of diameter 5mm and length 5m has resistivity of 10^-4 ohm meter. If wire is compressed to double it's diameter.
1. 0 answers
2. asked by Kartik
3. 667 views
An electric heater supplied at 40 Volt's draws a current of 5 ampere. If it is now connected to a 120 Volt supply, find the
1. 1 answer
2. asked by Kartik
3. 655 views
A uniform compressive stress σz is applied to the surface of the metal alloy, and it may be assumed that there is no friction
1. 0 answers
2. asked by karthik
3. 655 views
Sorry but I don't know how to do this problem. Can someone please help me?In the following problem, check that it is appropriate
1. 0 answers
2. asked by Tina
3. 650 views
The two leading digits of each 5 digit number are not shown which number is divisible by 4
1. 5 answers
2. asked by Jenny
3. 644 views
Budgets are ___________________________. (Points : 1)A a tool for management to use to penalize managers with poor performance B
1. 1 answer
2. asked by madam
3. 640 views
Ragili made 6 liters of lemonade by mixing 1.5 liters od lemon juice and rest water.how much lemon juice will be needed to make
1. 1 answer
2. asked by Venu
3. 640 views
5/x-2 - 4/x-3 express as a single fraction in its simplest form. I had done the question like this: = 5/x-2 (x-2)(x-3) -4/x-3
1. 1 answer
2. asked by humza
3. 632 views
Central Crude Oil is a crude oil monopoly in a market. The following table shows the liner demand schedule of this firm which
1. 0 answers
2. asked by Carina
3. 631 views
Which one of the following colors can you use to make a warm room seem cooler?A. Orange C. Yellow B. Red D. Blue
1. 1 answer
2. asked by Anonymous
3. 623 views
A uniform rod of 1 meter is bent at its midpoint to make90.The distance from its centre of mass
1. 1 answer
2. asked by girija
3. 612 views
A skate boarder traveling at a constant speed of 22 m/s on a road comes to a straight incline with a constant slope (do not use
1. 0 answers
2. asked by bob
3. 611 views
The kinetic parameters of the reaction of lactate to pyruvate can be measured by following the formation of NADH from NAD+. It
1. 0 answers
2. asked by Student
3. 602 views
if you react 1.20g of copper metal with excess silver nitrate, how many moles of silver metal are produced?
1. 1 answer
2. asked by laurie
3. 596 views
A sporting goods company can ship 6 footballs in each carton. How many cartons are needed to ship 75 footballs?
1. 1 answer
2. asked by Eldry
3. 583 views
a company maintain its employee details like:name,number,year of join,age,type of job,monthly salary. -find the employee with
1. 0 answers
2. asked by ram
3. 583 views
9th grade english romeo and juliet compare and contrast the movie
1. 2 answers
2. asked by jace
3. 583 views
Two forces are exerted on a hockey puck which initially stopped on frictionless ice. Force 1 is exerted in the positive x
1. 1 answer
2. asked by Sue
3. 582 views
A block that has a mass of 0.0190 kg and a block that has a mass of 2.00 kg are attached to the ends of a rope. A student holds
1. 0 answers
2. asked by Ryan
3. 581 views
For three consecutive months, a person deposited some amount of money on the first day of ech montg in a small saving fund.
1. 0 answers
2. asked by loise
3. 564 views
When actual cost is more than planned __________________. (Points : 1)A a favorable variance is produced B an unfavorable
1. 1 answer
2. asked by madam
3. 548 views
John wants to make brownies. To make brownies he needs 2/5 of a cup of flour per batch of brownies.if John has 2 cups of flour,
1. 1 answer
2. asked by Paul
3. 548 views
If the actual factory overhead applied is more than the actual factory overhead incurred _________. (Points : 1)A a favorable
1. 1 answer
2. asked by madam
3. 543 views
Macro Sound's is a monopolistic firm of producing headphones. Fixed daily cost of production is $1800. The production of each
1. 0 answers
2. asked by huang
3. 540 views
Given that x=cos^2t and y=ln(sint) find d^2y/dx^2 at the point t=π/4
1. 2 answers
2. asked by Omar
3. 539 views
At time t = 0, a small boat is at a buoy travelling due east with speed 2 ms−1. The boat experiences a constant acceleration
1. 0 answers
2. asked by Stephan
3. 537 views
What is the connection between the solutions of the equation ax^2 + bx + c = 0 and the x intercepts of the graph of f(x) = ax^2
1. 2 answers
2. asked by Carly
3. 537 views
A water is operated by solar power. If the solar collector has an area of 5.25m2, and the intensity delivered by sunlight is
1. 0 answers
2. asked by Amie J.
3. 531 views
A pendulum makes 27 vibrations in 36 s. What is its period in seconds?
1. 1 answer
2. asked by kassy
3. 519 views
maths project:study ways f raising a loanin a bank
1. 1 answer
2. asked by likitha
3. 518 views
Solving system of equations by substitution.52. {5x-2/4+1/2=3y+2/2;7y+3/3=x/2+7/3
1. 1 answer
2. asked by Carly
3. 509 views
Poem Meaning"I had sat within that marble circle where the Oldest bard is as the young, And some orient dawn had found me
1. 1 answer
2. asked by Emily
3. 505 views
A .524kg object is tied down to the bottom of a container which container an unknown fluid. the tension in the rope is 38.5N.
1. 1 answer
2. asked by Amie J.
3. 504 views
Write a matlab code for a kens linkage that will draw a 15 cm straight line.clear % clears all variables from the workspace clc
1. 1 answer
2. asked by Wang
3. 504 views
please what is the answer to this f math question......1-cos^2X=0 for 0°less dan equals X..then X less dan equals 270
1. 3 answers
2. asked by mercy
3. 499 views
Two moles of an ideal gas have a volume of 3.43X10-3m3. the initial temperature of the gas is 78.0C. If the pressure is held
1. 0 answers
2. asked by Amie J.
3. 494 views
Because ethanol is a poor substrate for LDH, shouldn't it have a lower Km than lactate? (Because Km is binding affinity)Also,
1. 0 answers
2. asked by Student
3. 490 views
What number or numbers can subtract two times a number from half of its square and gives a result of 16
1. 3 answers
2. asked by Dal
3. 486 views
How do you write the ratio of an original perimeter to the new perimeter?How do you write the ratio of an original area to the
1. 1 answer
2. asked by t
3. 482 views

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