Would it be C? im not too sure but thats my guess =)
The answer to you question is y=10
Asnswer:
Step-by-step explanation:
Firstly we calculate length of CB
/CA/^2 = /BA/^2 + /CB/^2
12^2 = 6^2 + /CB/^2
144 = 36 + /CB/^2
/CB/^2 = 144 - 36
/CB/^2 = 108
/CB/ = √108
/CB/ = 10.4cm
Sin55 = (/CB/)/(/CD/)
Sin55 = 10.4/(/CD/)
/CD/ = 10.4/sin55
/CD/ = 12.7cm
Answer:
9/20 mile
Step-by-step explanation:
Take (calculate) 3/4 of 3/5 mile:
3 3
---- * ---- = 9/20
4 5
9/20 mile needs to be repaved.
Answer:
Step-by-step explanation:
The discriminant of a quadratic equation is b² - 4ac.
Here, a = 1, b = 3 and c = 8, and so the value of the discriminant is:
3² - 4(1)(8) = 9 - 32 = -23
The discriminant is -23 in this case.
A negative discriminant indicates that the roots will be complex.