Answer: 8n
Step-by-step explanation: 5n + 3n
Step-by-step explanation:
You must first know the formular for gradient then use the applied formular for slope
Answer:
ΔABC ~ ΔEDF; x = r × w/z
Step-by-step explanation:
m∠ABC = 180 -47 - 62 =71 = m∠EDF
ΔABC ~ ΔEDF
w/z = x/r
x = r × w/z
Answer:
A) total distance covered = 60miles
B) total time taken = 4hrs 30 mins
Step-by-step explanation:
Detailed explanation and calculation is shown in the image below
Answer:
Step-by-step explanation:
Rick and Debbie are painting a large barn. Debbie paints twice as fast as Rick. They work together for 16 hours and complete the job. Determine how fast Debbie and Rick can paint the entire barn separately.
= 1/a + 1/2a = 1/16
= 2a + a/2a² = 1/16
2a/2a² = 1/16
= 1/a = 1/16