Answer:
Step-by-step explanation:
Answer:
42
Step-by-step explanation:
Area of a triangle is base times height divided by two
21 times 4 equals 84
84 divided by 2 = 42
Answer:
7.21 unit
Step-by-step explanation:
distance= √[(-7+3)^2 + (-6-0)^2]
= 7.21 unit
Answer:
<em>(4, 1) </em>
Step-by-step explanation:
Method elimination would be good for this system
2x - y = 7 ........ <em>(1)</em>
x + y = 5 ......... <em>(2)</em>
<em>(1)</em> + <em>(2)</em>
3x = 12 ⇒ x = 4
4 + y = 5 ⇒ y = 1
<em>(4, 1)</em>