Answer:
11
Step-by-step explanation:
when you have to multiply exponents like that, you just add them. and with division you subtract
Answer:
Step-by-step explanation:
bc is hypotunuse
therefore 1.2^2+3.9^2=BC^2
4.1(1dp)
Answer: r=8
Step by step: 6r+47=95
6r+47=95
-47. -47
6r=48
————
6. 6
R=8
Answer:
-15x<=45 and 14x<=-42
x>=45/-15 and x<=-42/14
x>=-3 and x<=-3
so x=-3
Step-by-step explanation: