I think you meant to type
4(n)-5=7.
4n = 7 + 5
4n = 12
n = 12/4
n = 3
Acute since right triangles have a 90 degree angle and obtuse triangles have angles in between 90 and 180
Answer:
Please see the attached pictures for full solution.
Answer:
number 8 is a rational number because it can be written as the fraction 8/1
Step-by-step explanation:
Answer: 40%
Step-by-step explanation:
This represents this equation:
70*x =28
x=28/70=0,4
Multiply that with 100 to get the percentage.
