Answer:
Step-by-step explanation: c
D. 16.8 units
A radius is half of the diameter, so to get the answer all you need to do is multiply the length of the given radius by 2.
8.4x2= 16.8
Answer:
obtuse?
Step-by-step explanation:
Answer:
(3,7)
Step-by-step explanation:
let me know if you need an explanation, but hope this helps :)
<span>Tom:
time to </span>build a fence<span>= 4 hours; rate =1/4 job/hr.
tom &jack
</span>time to build a fence <span>= 3 hrs.; rate = 1/3 job/hr
</span><span>Jack :
time to </span>build a fence= x hrs ; rate = 1/x job/hr
<span>1/4 + 1/x = 1/3
3x + 12 = 4x
x=12 hrs. (Time for jack to build a fence )</span>
