Mathematics, 30.07.2020 02:01 edjiejwi
The equation x^2+18x=27 has two solutions. The positive solution has the form \sqrt{a}-b for positive natural numbers a and b. What is a+b?
Answers: 2
Mathematics, 21.06.2019 14:00
Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?
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Mathematics, 21.06.2019 18:00
Ihave trouble finding the nth term of a linear sequence
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Mathematics, 21.06.2019 18:50
Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling
Answers: 1
The equation x^2+18x=27 has two solutions. The positive solution has the form \sqrt{a}-b for positiv...
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