08/11/17

evaluate this
∞ Σ (1/2)^k k=1
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08/11/17

In how many ways can 3 black cards be drawn from a standard deck of 52 cards?
Assume the cards a drawn sequentially and without replacement.
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08/11/17

Please help with this problem
5x/6 - x = -7
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08/11/17

need help with this problem
 The sum of the page numbers on the facing pages of a book is 89. What are the page numbers? The number on the left page is__ and the number on the right page is __
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08/11/17

Is golden ratio in the statue true?
I know that the golden ratio is performed with 1:1.618... but there I have heard that the statue of the naked david or the monariza is performed with the golden ratio. Is it really true? I have... more
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08/10/17

The dwarf sea horse Hippocampus Zosterae swims at a rate of 52.68
The dwarf sea horse Hippocampus zosterae swims at a rate of 52.68 feet per hour.  Convert this speed to inches per minute.
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08/10/17

Pump A can fill a tank of water in 5 hours. Pump B can fill the same tank in 8 hours. How long does it take the two pumps working together to fill the tank?
you must round the answer to the nearest minute
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08/10/17

How do i write equation and graph
The Sugar Sweet Company is going to transport its sugar to the market it will cost $7500 to rent trucks , and it will cost an additional $250 for each ton of sugar transported. Let c represent the... more
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08/10/17

A={1} B={{1},2} C={{1},3} .FIND AUB
give me fast
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08/10/17

B(t) = 35+0.30t and C(t) = 25 + 0.50t. UNDER WHAT CONDITION C IS LESS THAN B
INEQUALITY BASED PROBLEM, KINDLY HE;LP.
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08/10/17

B(t) = 35+0.30t and C(t) = 25 + 0.50t. UNDER WHAT CONDITION B WILL BE SAME AS C?
INEQUALITY BASED SUM, KINDLY HELP THANKS
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08/10/17

B(t) = 35+0.30t and C(t) = 25 + 0.50t. under what condition will B be less than C.
IT IS INEQUALITY SUM, KINDLY HELP ME OUT. tHNAKS
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08/10/17

When to not use order of operations?
I was taking a quiz on evaluation expressions, and one of the questions asked me to evaluate 25-5e+ 3/f when e=4 and f=3. And I used PEMDAS, and multiplied 5(4), which is equal to 20. Then I... more
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08/10/17

Find the volume of a cone with a base radius of 6ft and a height of 6ft . Write the exact volume in terms of π , and be sure to include the correct unit in
 including units
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08/10/17

twice the sum of a number and 5 is no more than 3 times that same number increades by 11
kindly solve this, it inequality
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08/10/17

SAT Prep Question (look in description)
A telephone company charges x cents for the first minute of a call and charges for any additional time at the rate of y cents per minute. If a certain call costs $7.75 and lasts more than one... more
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08/10/17

How far can you see the horizon through an airplane window at height of 8,000 m
Approximately, the distance d in miles that a person can see to the horizon is representedby the equation 𝒅 = √𝟑𝒉𝟐, where h is the height where the person is. (1 mile = 1, 609.3 m)
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08/10/17

if it takes 54 minutes for 4 people to paint 4 windows, how long does it take 6 people to paint 7 windows
if 4 people can paint 4 windows in 54 minutes, how many minutes does it take 6 people to paint 7 windows
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08/10/17

a substance x triples every 4 four hours. Which expression represents the total amount of the substance after 15 hours/
I want to know how to solve this problem step by step.
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08/09/17

The balance of an investment account is $308 more than the balance 4 years ago. the current balance of the account is $4708. what was the balance 4 years ago?
Please.... solve for me this question  
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08/09/17

calculus question
Two isolated farms are situated 12km apart on a straight country road that runs parallel to the main highway 20km away. The power company decides to run a wire from the highway to the junction box,... more
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08/09/17

Word problem
An investment of 8,000 is made on August 3rd 2007. Find the value of this investment at the end of August 3rd 2017 at an annual interest rate of 3% compounded daily
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08/09/17

Killian deposited $1800 in an accout
at 4% interest compounded daily. how much was in the account at the end of 5 years?
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08/09/17

what is the simple interest
on $800 at 3% interest for 6 months?
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08/09/17

Raffle Ticket Question
If I have 30 raffle tickets to sell and Ticket 1 is $1, Ticket 2 is $2, and so on, is there an equation to figure out the total price for all 30 tickets?
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