Answer:
12
Step-by-step explanation:
Use the Pythagorean theorem which is a^2 + b^2 = c^2
c is hypotenuse and a and b are the legs
we need to find a^2 so
a^2 + 16^2 = 20^2
a^22 + 256 = 400
then subtract 256 from 400
a^2 = 144
square root 144
= 12
W = L - 15
WL = 76
(L-15)L = 76
L^2 - 15L - 76 = 0
(L-19)(L+4) = 0
L = 19 or -4
Since a length cannot be negative, the length must be 19 units.
The width is 19-15=4 units.
There are only <u>2 whole numbers that fall between .53 and 2.5</u>. (<em>Whole numbers are basically numbers we count with through our daily life.</em>)
<u>1 is greater than .53 and 2 is less than 2.5</u>. Your answer is 1 and 2.
Answer:
C. Equation: x=4
D. Slope: undefined
Step-by-step explanation:
If a line is perpendicular to the x-axis, then it is a vertical line because the x-axis is horizontal.
The slope of a vertical line is undefined.
The equation of a vertical line through 
is 
Since the vertical line passes through (4,-2), its equation is
PDH+HDF=180
PDH+129=180
PDH= 51
