Answer:
19:
20:
21:
• Considering general equation of a line:
m is the slope, therefore
<u>slope</u><u> </u><u>=</u><u> </u><u>-</u><u>3</u><u>/</u><u>5</u>
22:
Rewrite the demominator and simplify
Answer:
45ft
Step-by-step explanation:
use pythagoras
c²=a²+b²
47²=15²+b²
(solve for b)
b= 44.5
round off, =45
Answer:
Width = 38.57cm
Step-by-step explanation:
Perimeter = 270cm
Let x be the width, so
Length = 2 1/2 x = 5x/2
Perimeter of Rectangle = 2(length + width)
270cm = 2(5x/2 + x)
270 = 5x + 2x
7x = 270
x = 38.571 cm
Therefore, the width is 38.57cm (rounded to 2nd decimal place)
535 above sea level is how you write it ligitimatelly
hope this helps