The answer should be the second one y=1/4x^2-x-6
Answer:
sinB=cos(90-B)
Step-by-step explanation:
this is the relationship between sin and cos. other choices are wrong
Given:
The base of the given triangle has two part:
Left( left side of the hypotenuse) = 25
Right ( right side of the hypotenuse) = x
The altitude (h) = 60
To find the value of x.
Formula:
By Altitude rule we know that, the altitude of a triangle is mean proportional between the right and left part of the hypotenuse,

Now,
Putting,
left = 25, altitude = 60 and right = x we get,

or,
[ by cross multiplication]
or, 
or, 
Hence,
The value of x is 144.
Answer:
A
Step-by-step explanation:
thw answer is on the picture
Keeping in mind that there are 2000 lbs in 1 ton, and that there are 100 cents in $1.