(x+1)-(-2x-5)
=x+1+2x+5
=3x+6
=3(x+2)
The Answer is the first one
An equilateral triangle.
all sides are the same so the higth of the object will be the same as length of the shadow.
Answer:
<u>height</u><u>,</u><u> </u><u>x</u><u> </u><u>is</u><u> </u><u>2</u><u>3</u><u>5</u><u> </u><u>ft</u>
Step-by-step explanation:
From trigonometric ratios:

but:

adjacent is x
hypotenuse is 400 ft
