Answer:
None of the choices are correct.
Step-by-step explanation:
Considering this a right triangle, we may use the law of sines or "sohcahtoa" to find the length of x.
cos(45) = x/100
which equates to about x = 74.29174812021
Answer:
= 3√3 + 3i
Step-by-step explanation:
Cos 30° = √3/2
Sin 30° = 1/2
Therefore;
z = 6 (cos 30° + i6 sin 30°)
= 6 (√3/2) + i 6 (1/2)
= 3√3 + 3i
Answer:
3.777
Step-by-step explanation:
Answer:
It takes 27 minutes for the element to decay to 35 grams
Step-by-step explanation:
Given:
Initial amount = 790 grams
Final amount = 35 grams
Half life = 6 minutes
To find:
Time taken for the element to reduce into 35 grams = ?
Solutions
Time taken = 
On substituting the values given, Time taken
= 
= 
= 
= 26.97
= 27 minutes
c. 13/20 pizza because in all is key for addition, so 2/5 + 1/4 = 13/20 pizza