using trigonometry:-
cos of angle ? = 7/16
so ? = arccos 7/16 = 64.06 degrees
The other angle is 90 - 64.06 = 25.94 degrees
Answer:
4. 9
5. 5x
Step-by-step explanation:
its an isocoles
Answer:
w = -3/4 or -0.75
there is only one solution
Step-by-step explanation:
3⁴-21÷7
According to PEMDAS ( order of operations):
First, Do exponents before multiplying or dividing: 3^4
81-21÷7
Then, divide before subtracting (27÷7 )
81- 3
Finally, subtract
78