Algebra
Solve the system of equations by an algebraic method. Leave answer in exact form. 4x² - 7y² = 21 x² + 2y² = 99
10th grade Academic Math
hi can you help me with this problem please, thank you.----------------- If the speed of an experimental car is decreased by 8km/h it completes a 140 km trip in 2 hours more than had it been traveling at its usual speed. Determine its usual speed.
10th grade Academic Math
hi can you help me with this problem please, thank you.----------------- If the speed of an experimental car is decreased by 8km/h it completes a 140 km trip in 2 hours more than had it been traveling at its usual speed. Determine its usual speed.
10th grade Academic Math
hi can you help me with this problem please, thank you.----------------- If the speed of an experimental car is decreased by 8km/h it completes a 140 km trip in 2 hours more than had it been traveling at its usual speed. Determine its usual speed.
physics
A basketball is shot from 2 meters up at an angle of 60° above the x axis at an initial velocity of 9 m/s.What is the maximum height the ball will reach?
geometry
I am trying to find the interior and exterior angles of a 9 sided polygon .
physics
and ur answer is wrong neway m=1300 v~18 x=2.3 now solve
physics
try using the correct sigfigs?
math
What is the geometrical meaning of the central extension of the algebra of diffeomorphisms of the circle?
calc
Yes, that is what I got as well. So would we have to go further, or does that suffice? Thank you.
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