annaston
annaston annaston
  • 23-01-2017
  • Mathematics
contestada

Help please!!!!!!!!!!!

Help please class=

Respuesta :

papabravo02 papabravo02
  • 23-01-2017
It is 45 degrees, because it is one half of a 90 degree angle. And also, n = 15.
Answer Link
merxinda
merxinda merxinda
  • 23-01-2017
Letter n=13. Because...

3n+4n-15=90
7n-15=90
+15 +15
7n=105
7n/7=105/7
N=13
Answer Link

Otras preguntas

Points A, B and C are collinear. Point B is between Point A and Point C. Find the length of BC if BC=3x-2, AB=12, and AC=5x+2.
two times the least of three consecutive odd integers exceeds three times the greatest by 25. what are the integers?
Scientists rely on models to represent concepts and processes in physical science. Which one of the following is a reason why scientists use models? A. M
what does Eckles find on his boot at the end of the story a sound of thunder
9,000,080 scientific notation
Terrence has 24 eggs to divide into equal groups. What are the possible numbers of eggs that Terrence could put in each group. A. 1,2,3,4 B. 2,4,6,8,12 C. 1,2,
How do you solve 2 3/4 times 1 1/8 times 32
Who led the Hebrew people out of Egypt?
Scientists rely on models to represent concepts and processes in physical science. Which one of the following is a reason why scientists use models? A. M
Solving systems algebraically : 4x+2y=7 Y=5x