Mathematics, 24.06.2019 22:30 klk597703
If \[x^2 - 7x + c = (x + a)^2\]for some constants $a$ and $c,$ then find $a.$
Answers: 1
Mathematics, 21.06.2019 14:00
Carson has only $20 bills and $10 bill in her wallet. the total value of the bills is $50. she has 1 more $20 bill than $10 bills. how many each kind of bill does carson have? a. one $20 and two $10 bills b. two $20 bills and one $10 bill c. one $20 bills and three $10 bills d. two $20 bills and two $10 bills
Answers: 2
Mathematics, 21.06.2019 23:40
From the top of a tree a bird looks down on a field mouse at an angle of depression of 50°. if the field mouse is 40 meters from the base of the tree, find the vertical distance from the ground to the bird's eyes.
Answers: 1
Mathematics, 22.06.2019 01:30
What is the surface area of a cube with the volume of 729 ft?
Answers: 1
Mathematics, 22.06.2019 01:30
An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ÌŠ and to the other is 52 ÌŠ. how far apart are the cars?
Answers: 2
If \[x^2 - 7x + c = (x + a)^2\]for some constants $a$ and $c,$ then find $a.$...
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