Ketch the graph 7x-3y=21
Using the intercept method:
Let x=0 and solve for y
7(0)-3y=21
-3y=21
-3y/-3=21/-3
y=-7
<span>Plot (0,-7)</span>
Answer:
20 square meters
Step-by-step explanation:
area = length x width
area of grass = 4 x 4 = 16
area of grass and cement = 6 x 6 = 36
<em>Now you subtract to find the area of the cement.</em>
36 - 16 = 20
Sine and cosine (and trigonometric functions in general) are used extensively in physics, and neither really has priority - it depends on the particular problem you're working on. Is there a particular problem that prompted your question?
Answer:
x=10/14 or 0.714
Step-by-step explanation:
1. (4/5)*(5/7) = (4/5)x
2. 20/35 = 4x/5
3. Cross multiply:
140x=100
x=100/140=10/14