34 = -2t....divide both sides by -2
(-34/2) = (-2/-2)t
- 17 = 1t, or just t
so ur answer is : t = -17
Answer:

Step-by-step explanation:
Given

--- Those that do not get recommended amount of exercise
Required
The percentage that do not get the recommended amount of exercise
From the question, we have 79% to be the percentage of adults that do not get the recommended amount of exercise. This 79% represents the required percentage
Hence:

Let’s first cut/separate this figure into two shapes: rectangle and a triangle
The area of the rectangle: 9 • 2 = 18
The area of the triangle: 1/2 • 8 • 4 = 16
The total area: 18 + 16 = 34
He needs 34 m square of grass
Answer:
17.7
Step-by-step explanation:
62.3-7=55.3
55.3-19.9=35.4
35.4/2 = 17.7
brainliest pzz