Follow PEMDAS
first simplify the parenthesis
10 + 5 = 15
6 - 5 = 1
9(15)/1
multiply 9 and 15 together
9(15) = 135
135/1 = 135
B. 135 is your answer
hope this helps
Answer:
Step-by-step explanation:
It's helpful to draw it out, but you need a calculator for this.
You have the values of line b, line c, and angle C.
You can use sinC / c since you have C and c.
Solve for sinB by doing sinB/5.7 = sinC/8.6
you'll get the value of sinB, use inverse trig to solve for B (sin^-1)
Then you'll have the angle values for C and B. Add them, and subtract by 180 to find the angle measure of A.
Use the steps above to find a:
sinA (which u just found) / a = sinC (125) / c (8.6)
Hope this helps.
Slope is equal to change in y over change in x.
9-9/9-(-1)
0/10
0
Slope: 0
2^2 , or 4
since the exponents have the same base, we can subtract the exponent of the numerator by the exponent in the denominator.
So 2^-3 - 2^-5 = 2^(-3-(-5)) = 2^2
The new exponent is 2 because -3-(-5) is equal to 2.