Answer:
increase = 59-50
increase = $9.00
Percent = (increase/whole value) x 100
Percent = (9/50) x 100
Percent = 18%
Mark Brainliest
Answer:
x²+(1/x²) = 47
Step-by-step explanation:
by identity : (a+b)² = a²+b²+2ab
(x+1/x)²= x²+(1/x)²+2(x)(1/x)
(x+1/x)²= x²+(1/x²)+2....(1)
since : (x²+1)/x = 7
(x²/x) +(1/x) = 7
x + (1/x )= 7
put the value for : x +(1/x) in (1) :
49 = x²+(1/x²)+2
x²+(1/x²) = 47
Answer:
The equation of the circle is 
, third option is correct.
Step-by-step explanation:
Equation of a circle:
The equation of a circle with center 
and radius r is given by:
Center at (-4, 10)
This means that 
.
Radius of 8:
This means that 
. So
The equation of the circle is , third option is correct.
21+
15
2
+
3
2
+
15
13
LCD = 1515
21+
15
2
+
3×5
2×5
+
15
13
21+
15
2+10+13
21+1
15
10
22
15
10
15
10
3
2
22
3
2
done
the answer of this question is last one
