Tutors Answer Your Questions about expressions (FREE)
Question 180690: 2. If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?
A. 2 hours and 24 minutes
B. 3 hours and 12 minutes
C. 3 hours and 44 minutes
D. 4 hours and 10 minutes
E. 4 hours and 33 minutes
Click here to see answer by Alan3354(69443)  |
Question 181299: Is -1 a solution of 4square -1=4y + 3 ?
I have trouble working these I do understand you have to do to the same side as you do to the other. please understand I am a 40 year old going back to school and never had algebra in high school at all. If I had only know I would have paid alot more attention in school and taken college bound courses.
thanks for your help and God Bless
Click here to see answer by Mathtut(3670) |
Question 181299: Is -1 a solution of 4square -1=4y + 3 ?
I have trouble working these I do understand you have to do to the same side as you do to the other. please understand I am a 40 year old going back to school and never had algebra in high school at all. If I had only know I would have paid alot more attention in school and taken college bound courses.
thanks for your help and God Bless
Click here to see answer by solver91311(24713)  |
Question 185319: two trains leave at the same time from stations that are 60Km apart. the train travel towards each other, one at 55 Km/h and the other at 65 Km/h. At the same time a bee flying at a constant rate of 80 Km/h starts at the front of one train, flies to the front of the other train, inmediately turns and flies back to the front of the first train, and so on.When the two trains meet, what is the total distance that the bee will have flown?
Click here to see answer by Alan3354(69443)  |
Question 185981: I realize some of these look easy but when you haven't had algebra for so long it looks hard to me/ I also appreciate your help, without you guys I would be Sc-----.
Please evaluate the following and if so can you explain your steps.
X^2 -5X + 7 when X = -2
Click here to see answer by ptaylor(2198)  |
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