B would be the correct answer. If you take 4:13 in order to form a ratio equal to that you have to multiply both sides of the ratio by the same number. 4*4=16 and 13*4=52
Step-by-step explanation:
:? O ghhbbvbbbnhhggvhgffghhhhfgghtf
53= -19z+5+7z
53= -12z+5 (combine -19z and 7z)
48= -12z. ( subract 5 on both sides)
-4=z. (divide by -12 both sides)
I think NO 1. is C.2/3 and i think NO 2. is C. 2/5
if im wrong correct me but have a blessed day/night
=)
Answer:
<h2>
301.593</h2><h2>
</h2>
Step-by-step explanation:
surface area of a cylinder = 2πrh + 2πr²
where: r = 4 km radius
h = 8 km
plugin values into the formula
surface area of a cylinder = 2πrh + 2πr²
= 2 π (4) 8 + 2 π (4)²
= 201.062 + 100.531
= 301.593 km²
