06/10/18

WHat needs to be proven by facts

Its true that  sorrows in life may Bring despair 

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

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... more

Prove using a trigonometric identity.

Prove the following using a trigonometric identity:   cos(2θ)=cos(θ)

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... more

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... more

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

Two-Step Equation

I need help with this two-step equation please 6=a/4+2

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... more

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?

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

11 minus what is 7

11minus what number is 7  

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... more

06/06/18

on a number line what is the distance between -29 and 100

i need help with it

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

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... more

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