A+b+c=180
subsittute
x+25+x-5+c=180
2x+20+c=180
minus 20 both sides
2x+c=160
mius 2x
c=160-2x
Answer:
12.5
Step-by-step explanation:
Earth diameter = 12,750 km
Earth radius = 6,375 km
Sphere Surface Area = <span> 4 • <span>π <span>• r²
</span></span></span>Sphere Surface Area = 4 * 3.141<span>59 * 6375^2
</span>Sphere Surface Area = 4 * 3.14159 *
<span>
<span>
<span>
40,640,625
</span>
</span>
</span>
<span>
<span>
<span>
Earth's Entire </span></span></span><span>Surface Area = 510,704,724 square kilometers
Surface NOT covered by water = </span><span>510,704,724 * .3
</span>Surface NOT covered by water =
<span>
<span>
<span>
153,211,417</span></span></span><span> square kilometers</span>
Answer:
m= 4 b=3
m= -5 b= 0
Step-by-step explanation:
From the equations given that is the answer
