Answer:
10.3
Step-by-step explanation:
a^2 + b^2 = c^2
3.9^2 + b^2 = 11^2
b^2 = 121 - 15.21
b = 10.3
Answer:
x=32
Step-by-step explanation:
i took the test
Answer:
I think its 3p not sure but u can try that
ANSWER: a=12 b=15
Explanation: (look at work below)
4a + 1b = 63 (eq1)
5a + 3b = 105 (eq2)
-12a + -3b = -189 (subt. eq1 from eq2)
————————-
-7a = -84
a = 12
4(12) + 1b = 63 (plug in the a value)
48 + 1b = 63
b = 15