You can use the substitution method.
You substitute the first equation to the second equation to get the value of x.
x + 3y = -14
x + 3(2x) = -14
x + 6x = -14
7x = -14
x = -14/7 = -2
Substitute the value of x to the first equation.
y = 2(-2) = 4
I think your answer should be 100 cm...
Hope this helps
The equation has no X variable so whatever that adds up to becomes the y-intercept.
- 2/9 + 1/5 >> - 10/45 + 9/45 = - 1/45
Your y-int is - 1/45 or (0, - 1/45)
Answer:
2.5
Step-by-step explanation:
Multiply 25 by 10 that gives you 250
Divide 250 by 100 which gives you 2.5
There are 30 possibilities.
There are 3 choices for the first person, 5 for the second and 2 from the third:
3(5)(2) = 30
