12 1/3 + (-3 1/4) + 4 1/2
37/3 + - 13/4 + 9/2
148/12 + - 39/12 + 54/12
163/12 = 13 7/12
1. change the numbers to mixed fraction ( denominator multiplied by base plus numerator )
2. find a common denominator
3. add and or subtract
4. simplify your answer
She used 3.36 pints of white paint. if you were to convert the fraction to 60% then you would just have to find 40% of 8.4 and thats 3.36.
If I’m not mistaken I think it’s 180 degrees
Answer:
x=-3,y =4 z=-1
Step-by-step explanation:
x+2y-5z=10
y+2z=2
z=-1
Since z = -1, substitute into the second equation
y + 2(-1)=2
y -2 =2
y = 2+2
y=4
We can substitute into the first equation
x+2(4) -5(-1) =10
x+8+5=10
x+13 = 10
x = 10-13
x=-3