Its is called A positive integer or a natural number.
Answer:
B) 6.68
Step-by-step explanation:
Use Cosine.
Cosine= Adjacent ÷ Hypotenuse
In this case the base you want to find is adjacent to the angle, 42°. Hence,
Cos (42)= adjacent ÷ hypotenuse
Cos (42) = x ÷ 9
x = Cos (42) × 9. Input that into your calculator.
x= 6.68
To remember the trigonometric ratios/formulas
Use the acronym, SOHCAHTOA
Hope this helps!!!!
Answer:
C.
Step-by-step explanation:
"Two more than three times a number is seven"
Add 2 to 3n and set it equal to 7.
Answer:
x = 4
Step-by-step explanation:
5^(x-1) = 125
log₅(5^(x-1)) = log₅(125)
x-1 = 3
x = 4