Answer:
y = 130°
Step-by-step explanation:
4x + 8 + x + 7 + 3x - 19 = 180 (all angles in a triangle add upto 180)
8x = 184
x = 23°
3x - 19 + y = 180 (supplementary = 180)
sub x = 23 into equation
50 + y = 180
y = 130°
To find out how dimes you multiply 7 and 6 and you get 42 dimes
and it says she finds one nickel so you have 1 nickel
Hope this helps!!!
I can't see the paper very well, it's kind of blurry!!! But I think all you need to do is add them together.
8.6 first number after the decimal is the tenths place then the second number after the decimal is the hundredths
1. x=4
6x-3x=12
3x=12
x=4
2. x=4
3x-5=x+3
3x=x+8
2x=8
x=4
3. x=20
1/2x+1/5x=14
7/10x=14
7x=140
x=20
4. x=2
2.5x+1.0x=7
3.5x=7
x=2