Step-by-step explanation:
Area of a circle = #r^2
1256 = 3.14 × r^2
r^2 = 1256/3.14
r^2 = 400
Square root of r = 20
Diameter = 2 × r = 2 × 20 = 40 inches
Answer:
n=5
Step-by-step explanation:
7n-4 = 31
+4 +4
7n = 35
/7 /7
n=5
A = 1
b = -5
c = -4
x1 = 5.70
x2 = -0.70
<span>Therefore, the negative real number is -0.70.</span>
Answer:
10, 11
Step-by-step explanation:
4 plus 6 = 10
6 plus 5 = 11
You’ll make $180,
45/7.5=6
6 dollars an hour
6*30=180
