The sum is adding
3 times a number is 3x
And 15 is +15
3x+15
Answer:
2. 4a+2c = 5000
4. a + c = 1600
Step-by-step explanation:
Answer:
im not to good at math but im pretty sure that its 1. all rational numbers ae fractions
Step-by-step explanation:
Answer:sinA=8/17
Step-by-step explanation:
Using Pythagoras principle
x=√(15^2+8^2)
x=√(15x15+8x8)
x=√(225+64)
x=√(289)
x=17
SinA=opposite/hypothenus
SinA=8/17
