-5 1/4 - (-7 1/2)

A) -12 3/4
B) 2 1/4
C) -2 1/4
D)2 3/4

2 1/4

Step-by-step explanation:

-5 1/4 - (-7 1/2)

Subtracting a negative is like adding

-5 1/4 + (7 1/2)

Get a common denominator

-5 1/4 + (7 1/2 *2/2)

-5 1/4 + (7 2/4)

Since the signs are different, we subtract the smaller from the larger and take the sign of the larger

7 2/4 - 5 1/4

2 1/4

B) 2 1/4 or 9/4

Step-by-step explanation:

-5 1/4=-21/4

-7 1/2=-15/2

-21/4+15/2

-21/4+30/4

9/4

1e+27

step-by-step explanation:

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: