Answer:
-3
Step-by-step explanation:
3*-3=-9
-9-20=-29
1.) Start by figuring out what the 4x3 grid would look like. In this grid, we have 12 boxes (4 x 3 = 12).
2.) Now let's calculate 25% of 12. When changing a percent to a decimal, simply move the decimal point over to the left two places. So then 25% = .25 when written as a decimal. Multiply 25 x 12. 25% of 12 equals 3.
3.) Now your grid would have 3 boxes shaded in. I put two examples of this in the attached image. However, your boxes can be shaded in anywhere in the grid, as long as only 3 of them are shaded in!
Answer:
y= -4/3 + 2x/3
Step-by-step explanation:
Let side of the square = x m, then:-
(x + 15)(x - 13) = 60
x^2 + 2x - 195 - 60 = 0
x^2 + 2x - 255 = 0
(x - 15)( x + 17) = 0
x = 15 meters (answer)