You multiply 86 by 42.5 because each board is 42.5 and there are 86 boards.
recall that when it comes to absolute value expressions, once we remove the bars, it turns always to positive, so | -5 |, the bars go poof, and tada!! 5.
You take the first equation and make a value for y. So 6x + y =7 change it to :
y = -6x + 7
Now in the second equation replace the “y” with -6x +7 this is what it means to use substitution method . Your combined equation will now be :
8x + 9(-6x + 7) =17
Now do distributive property and you get :
8x + -54x +63 =17
Now combine like terms ;
-46x +63 =17
-46x =-46
x = 1
Now replace 1 for X value and we can get the value of Y .
Y=1
X=1
Answer:
48 square meters.
Step-by-step explanation:
12 • 8 ÷ 2
96 ÷ 2
48
Hope this helps!
Answer:
angel b is 70 because all the degrees in a triangle must add up to 180
