Answer:
A rectangle is any four sided shape that has four right angles; Therefore, since a square is a four sided shape that has four right angles and congruent (equal) sides, it always has to be a rectangle. However a rectangle does not always have congruent sides, so it is not necessarily a square.
Answer:
see below
Step-by-step explanation:
You will need the hypotenuse 12 ^2 + 9^2 = h^2 h = 15
In a right triangle:
S O H C A H T O A
sin s = S A H = Opposite / Hypotenuse = 12/15
cos r = C A H = Adjacent / Hypotenuse = 12/ 15
Tan s = T O A = 12 / 9
cos (theta) = cos s = 9 / 15
Tan r = 9/12
arc cos(theta) = theta = arccos(9/15) = 53.13 degrees
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Answer:
-24
Step-by-step explanation:
parentheses always mean multiplication.
its just -6 x 4
which is -24
(an odd number of negative signs means you get a negative solution)
1) we find out the equation of the line
point-slope form; we need a point (x₀,y₀) and the slope:
y-y₀=m(x-x₀)
In this case:
point: (4,5)
slope: 6
Therefore:
y-5=6(x-4)
y-5=6x-24
y=6x-24+5
y=6x-19 (slope-intercepted form)
2)we find out "y" when x=24
if x=24; then
y=6(24)-19=144-19=125
Answer: y=125
