06/09/18
two gears are meshed. the first gear has 20 teeth per inch and is rotating at 500 rpms. what is the speed of the second gear if it has 40 teeth per inch?
possible answers: A. 500 B. 400 C. 250 D. 200
i did cross multiplication and got 1000! Answer key says C. 250 is the correct answer.
I did :
20/500=40/x
20000=20x
x=1000
06/09/18
If a truck rental company charges $29.95, plus $0.8 per mile give the total cost to rent the truck.
Suppose you have a $125 budget, what is the furthest you can drive the truck?
06/09/18
Creating a Quadratic Equation Based off a Word Problem
A local party supply company notices that their maximum profit is reached when they sell 80 balloons and they earn $60 of profit, When they sell 50 balloons they earn $33 of profit. Write a...
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06/09/18
Prove using a trigonometric identity.
Prove the following using a trigonometric identity:
cos(2θ)=cos(θ)
06/08/18
Hummingbird food correction
plans to make 2 batches of hummingbird food. using 2 cups of sugar to 4 cups of water.
ERROR Here’s the problem I in error brought 3 cups of water to a boil then added 7 cups of sugar. (This...
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06/08/18
Algebraic Expression (Time)
Ryan can mow a lawn in 1 hour and his son Malik can mow the same lawn in 50 minutes. One day Malik started mowing the lawn himself and worked 30 minutes. then Ryan joined him and they finished the...
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06/07/18
find the point on the line -4x+6y-2=0, which is closest to the point (-2,-3)
Please answer the question.
Answer: (___ , ___)
06/07/18
A company gives each client a unique account number containing four letters followed by three digits. how many account numbers are possible?
I've been having quite some trouble with this. Help?
06/07/18
In 2015, the price of a business math text rose to $150. This is 7% more than the 2014 price. What was the old selling price?
I don't understand how to figure this out
06/07/18
How do I make an explicit formula with below details
How do I make an explicit formula based on 7% annual return. It says to convert 7% to decimal and add 1. The starting amount of the account is $1,000.
I need to figure out how much money I...
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06/07/18
what, in Hinduism, is a religious duty called
I forgot my social studies at home and I forgot this question
06/07/18
How many integers between 1 and 200,inclusive, are divisible by both 3 and 4?
Please help me with this question
06/06/18
the amount of 90% orange juice drink is needed is ______ gallons
How much of a 90% orange juice drink must be mixed with 85 gallons of a 10% orange juice drink to obtain a mixture that is 50% orange juice?
06/06/18
Did Sparta have a powerful assembly that passed laws?
Need help on social studies, left my book at school, friends are busy
06/06/18
Joe can paint the barn in 4 hours by himself. Steve has never timed himself painting a barn before, so we don’t know how fast he is. Working together, the two f
Joe can paint the barn in 4 hours by himself. Steve has never timed himself painting a barn before, so we don’t know how fast he is. Working together, the two finish the job in 2.4 hours. How many...
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06/06/18
At jims juice box factory, his machine can fill 300 juice boxes an hour each juice box holds 0.8 cups how many gallons of juice does jim factory need per hour
can yoy please help me on this work because i need help
06/06/18
a.pizza has a diameter of 18 inches calculate the area of a slice of pizza when the chef made all the slices with angle 45
what is area of whole pizza
how many slices of pizza is it
06/06/18
Given that the diameter of a circle is D, find the largest possible value of a rectangle inscribed in it.
Set one of the rectangle sides as x, and evaluate the largest possible value of its area in terms of D. (It is part of a lesson on quadratic equations)
06/06/18
an angle has a measure of 5x+7 and another angle has a measure of 2 x+54 together, they form a linear pair. find the measure of the smaller angle
geometry the answers they give me is
A.17
B.88
C.92
D.119
06/06/18
Definition of Onomatopoeia, Alliteration, and Assonance?
The Definitions of Onomatopoeia, Alliteration, and Assonance
06/06/18
Is Nathan or Cleo correct if so why?
Nathan and Cleo are in a debate about how many US dollars are in 5 British pounds. Both students used conversion factors to convert pounds to dollars.
Nathan proposes that 5 British pounds are...
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