04/30/18

27.60 is 7.2% of what number?
A city pays 92.8% of their electric utility's health insurance premium.   The employee pays 7.2%   The employee pays 27.60 per month of their health insurance premium.   What number equals... more
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04/30/18

What value would replace c in the trinomial to make it a perfect square trinomial? x^2+11x+c
Trinomial: x^2+11x+c
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04/30/18

Which figure is a unit cube?
It's a math question, and I very stuck on the problem.
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04/30/18

2 lattes, 3 carrot cakes- £5.85 1 carrot cake, 2 lattes- £3.95 by setting up a pair of simultaneous equations, work out the cost of a latte.
work out 2 simultaneous equations from the receipts and work out price of a  latte 
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04/29/18

The football team has 16 seniors. If four captains can be chosen, how many different sets of captains can be selected?
I want to know how to setup the equation. Im Very bad when it comes to probabilities 
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04/29/18

Perimeter and age
the length of a rectangle is 5 m greater than the width. The perimeter is 150 m. Find the width and length 
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04/29/18

Diagonals of an isosceles trapezoid are perpendicular to each other and the sum of the lengths of its bases is 2a. What is its area?
Diagonals of an isosceles trapezoid are perpendicular to each other and the sum of the lengths of its bases is 2a. What is its area?
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04/29/18

I am having a problem helping my daughter with her homework.
Mildred has a bag of coins. The bag contains 10 dimes, 5 nickels, and 1 penny. She will randomly select 2 coins from the bag one at a time without replacement. What is the probability that Mildred... more
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04/29/18

Is the volume of 12 1cm cubes 12 cubic cm
There are 12 cubes.   The volume is 12 cubic cm
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04/29/18

Financial Mathematics
Gabriella purchases a new car. The car's value in dollars, V, is modelled by the function  V(t) = 12870 - k(1.1)t , t ≥ 0   t- the number of years since the car was purchased  k - constant k =... more
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04/29/18

How far apart are A and B (to the nearest yard)?
Two points A and B are on opposite sides of a building. A surveyor chooses a third point C 76 yd from B and102 yd from A,  with angle ACB measuring 55.6°.  How far apart are A and B (to the nearest... more
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04/28/18

How many times must he turn the crank to lift a box 8 feet? Write your answer as a whole number or decimal.
The Picture and Sound electronics store has hired Sancho to work in the warehouse. He uses a pulley with a hand crank to lift heavy boxes. There is a proportional relationship between the number of... more
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04/28/18

d × (8 + 6) in distributive property
 please help today
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04/28/18

Is 5.56x10^-10 or 5.71x10^-10 a higher number?
I need to know which is considered a larger number 
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04/28/18

Expected Value
Suppose that 20% of the time Todd eats out twice a week, 35% of the time he eats out once a week, and 45% of the time he doesn't eat out at all in a given week. What is the expected value for the... more
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04/27/18

geometry book homework about circles
a circular mirror is 24in. wide and has a 4-in. frame around it. what is the area of the frame? how can you draw a diagram to help solve this problem? what part of a circle is the width? is there... more
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04/27/18

A bag of candy contains 9 peppermints and 4 butterscotch candies. What is the probability that 3 randomly drawn candies will all be butterscotch?
A bag of candy contains 9 peppermints and 4 butterscotch candies. What is the probability that 3 randomly drawn candies will all be butterscotch?
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04/27/18

AP Calculus: Functions defined by integrals
Use the graph of f(t) = 2t + 4 on the interval [-4, 6] to write the function F(x), where F(x) = Int[2,x] f(t)dt
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04/27/18

Functions Defined by Integrals
Pumping stations deliver oil at the rate modeled by the function D, given by D(t) = 5t/(1+3t) with t measure in hours and D(t) measured in gallons per hour. How much oil will the pumping stations... more
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04/27/18

what is 60 minutes to 24 hours
this is my question about ratio:what is 60 minutes to 24 hours
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04/27/18

if the diameter of a sphere is 42 cm then find its volume
say the answer below the question
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04/27/18

In a song choir there are 5 boys. They make up 1/8 of the members of the choir. How many girls are in the choir?
Please show me how to solve it.
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04/27/18

When tony has ran 1/3 of a training round, he has 5,000m left to run. How long is the training ground?
Please show me how to solve it 
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04/27/18

at full throttle
At full throttle, the boat went upstream 32 miles in 8 times the time it took to go downstream 32 miles at full throttle.  If the current was 7 miles per hour, what is the speed of the boat in... more
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04/27/18

eight years ago
Eight years ago Charles was 1 year older than twice David's age then.  In eight years, Charles will be 7/6 as old as David will be then.  What is David's age now?
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