(2x-5) • (2x+5) are the expressions equivalent to 4x^2-25
Answer:
j=1.571
Step-by-step explanation:
to get j by itself you have to divide 7 by 11
so,
11/7=j
j=1.571
100 mph per hour
Step-by-step explanation:
solution
speed of auto mobile=50mph
distance already traveled when the airplane took out in pursuit=200miles
time taken to overtake the car=4 hours
Now,
let the speed of airplane be X
X=50×4+200
or,X=200+200
or,X=400
or, X=400÷4
Therefore, X=100
Answer:
A. x²+x-11
Step-by-step explanation:
Take one of the x values and try them out on all formulas to see if the expected output occurs.
Already with x=2 you get
-5, 28, -3, 27 so you know that only the first formula works.
Answer:
The exponents that should be multiplied are 073.78.
Step-by-step explanation:
