Answer:
Step-by-step explanation:
"quaratic" should be "quadratic."
The coefficients of this quadratic are 4, 2 and -1. Thus, the discriminant is
b^2 - 4ac, or here, 4 - 4(4)(-1) = 20
Since the discriminant is positive, our quadratic has two real, different roots.
-2 ± (√4)(√5)
The roots are: x = ---------------------
2(4)
-1 ± √5
This reduces to x = ---------------
8
Answer: F. 384
Step-by-step explanation: Quadruples every 2 years, 6x4=24x4=96x4=384
Answer:
131°
Step-by-step explanation:
The central angle in the triangle is 180 - 41 - 41 = 98
which makes the intercepted arc 98
the big arc below is then 360 - 98 = 262
x is an inscribed angle which is half of the arc
1/2(262) = 131
Answer and Step-by-step explanation:
a - b = 2
= 
b = a - 2
a = b + 2
______________
b = b + 2 - 2
b = b
______________
______________
a = a - 2 + 2
a = a
______________
If a equals 0, then the expression is undefined.
If b = 0, then the expression is 0.
There are infinite number of solutions when a is not 0 and the numbers are positive.
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Given:
The number is 75897.
To find:
The sum of place value and face value of 5 in the given number.
Solution:
The given number is:
75897
The face value is 5 is always 5.
The number of is 5 on thousands place. So, the place value of 5 is:

The sum of place value and face value of 5 in the given number is:

Therefore, the sum of place value and face value of 5 in the given number is 5005.