so, when we have a line from a 90° angle running perpendicular to the opposite side, like in this case, we end up with three similar triangles, a large one containing the other two, a medium and a small one.

now, using the sides proportions as you see there, of the small and large one, we get that much.

3 0

3 years ago

A hot-air balloon at 1020 feet descends at a rate of 85 feet per minute. Let y represent the height of the balloon and let x rep

Lady_Fox [76]

Y=1020-85x because since it's a decrease it would be goung do, hence the subtraction

8 0

3 years ago

What is the area of the trapezoid

Zarrin [17]

I'm not sure because u don't have a pic of the trapezoid.

6 0

2 years ago

What's the present value of $9,500 discounted back 5 years if the appropriate interest rate is 4.5%, compounded semiannually?

nasty-shy [4]

Answer:

$427.50

Step-by-step explanation:

I think this is the answer because 4.5 percent of $9,500 is $427.50

4 0

2 years ago