Answer:
Nolan is correct.
Step-by-step explanation:
Here's a picture that might help you understand...
If you still need help understanding, I'll explain myself.
The greatest number he can spend on is $5 since he has $10 he will have $5 reamining.
27, just multiply30 by 9/10
Answer:
All you need to remember is the rules
Step-by-step explanation:
Let us remember
a to the m power x a to the nth power is = a to the m+n power. (add the exponents)
And
a to the m power ÷ a to the nth power is = a to the m-n power. (subtract the exponents) So
14 to the -4 power x 14 to the 7 power= 14 to the -4+7 which is equal to 14 to the 3rd power
Answer is :
cos⁻¹[(-1-4√7)/(√17, √8) = 173.33° ≈ 173°