Negative plus a negative is always positive. positive plus a positive is a positive. but if you have an positive plus a negative whatever sign has the bigger number thats the sign you'll use.
Answer:
63°
Step-by-step explanation:
Glad to help
If you will have any questions about the way I solved it,don't hesitate to ask
So the quadrilateral is a rhombus. RSM Is hard and etc...
Anyways if the area =

and we know that one diagonal is 14.5 inches and we know that the area of a rhombus is
then we can do inverse operation and do
4 * 2 because of the inverse operation has to be done to get the right answer and then you get the length of diagonal 2 is 8 in
Answer:
C
Step-by-step explanation:
We want to solve the equation:

Using the quadratic formula. The quadratic formula is given by:

In this case, <em>a</em> = 1, <em>b</em> = 2, and <em>c</em> = 7.
Substitute:

Evaluate:

Simplify the square root:

Hence:

Simplify:

Hence, our solutions are:

Our answer is C.
Answer:
65/72
Step-by-step explanation:
Given that ∠T=90° then the triangle ΔRST is a right angled triangle. Considering ∠S, RT is the opposite side, TS is the adjacent side and RS is the hypotenuse side. Using the notation
SOH CAH TOA
Tan ∠S = 72/65
Hence the cotangent of ∠S which is the inverse of the tangent will be
= 65/72