Answer:
cos x = 0.5
Step-by-step explanation:
Using the trigonometric identity
cot x = 
Given
sin x cot x = 0.5, then
sin x ×
= 0.5 ← cancel sin x on numerator/ denominator
cos x = 0.5
Answer:
Step-by-step explanation:
a=0 if both x and y are each =0
for all other real values a>0
Answer:
$1.76
Step-by-step explanation:
when you multiply 2.20x 0.8 you get 1.76. at first I thought division was needed, but the answer to 2.20/0.8 is 2.75- which is more than the original cost. (sorry if this is confusing but) 0.8 pound is less than 1 pound, so the answer would need to be less than 2.20.
Answer:
$65.34
Step-by-step explanation:
Multiply $55 by 0.08. Then multiply $55 by 0.1. Then add the two.
Answer:
C. 5n = 8n + 30
Step-by-step explanation:
5 times a number = 5n
30 more than 8 times a number = 30 + 8n
If those expressions are equal, then:
5n = 8n + 30