Answer:
Step-by-step explanation:
a1=2/3
sequence is 2/3,3/4,4/5,...
for numerator a1=2
d=3-2=1
numerator of nth term=a1+(n-1)d=2+(n-1)×1=2+n-1=n+1
denominator = 1 more than numerator=n+1+1=n+2
so an=(n+1)/(n+2)
or for denominator a1=3,d=4-3=1
denominator of nth term=3+(n-1)×1=3+n-1=n+2
an=(n+1)/(n+2)
All triangles must equal 180°. So there you have a right angle which = 90° and a 25° angle. add those together to get 115°. Now do 180-115=65°. the missing angle is 65°.
Answer:
≈ 50 ft²
Step-by-step explanation:
<u>Area of circle:</u>
<u>Given:</u>
<u>Then:</u>
- A= 3.14 * 4² = 50.24 ≈ 50 ft²
Side opposite 30 = 1/2(hypotenuse) ⇒ 1/2(17) = 8.5
Side opposite 60 =
(side opposite 30) ⇒
= 14.72 when rounded 2 decimal places
Dear Brainly User,
Your answer is <em>100 g of Au-198 would have a half life of 2.7 </em><em>day.</em>
<em> </em><em> </em><em> </em><em>Hope </em><em>it</em><em> helped</em><em>.</em><em>.</em><em>.</em><em> </em><em>pls </em><em>mark</em><em> brainliest</em>
