Answer:
x=3
Step-by-step explanation:
Hope this help and plz give me brainlist.
Answer:
(-2, -1)
Step-by-step explanation:
When reflecting across the x-axis, the x coordinate remains the same, but the y-coordinate turns to its opposite. So to get D from D', keep -2, and make 1 a -1.
Answer:
b
Step-by-step explanation:
Using the trigonometric identity
• sin²x + cos²x = 1 , hence
cosx = ± 
cosΦ > 0 for 0 < Φ < 
cosΦ = 
= 
= 
= 
→ b
Answer:
27
Step-by-step explanation:
She is wrong the answer is 27, all you have to do is multiply the number by the percentage as a decimal (.45)
No, it does not equal 0. Lets multiply it out and see what it actually equals.
15/25 * 25/15
15*25 / 25*15
375 / 375
Anything over itself is 1, so the final answer for the multiplication is 1.
