Answer: -20z-7
Step-by-step explanation:
(-9z-7) – 11z
−9z−7−11z
(-9z-11z)-7
-20z-7
Hope this helps, now you know the answer and how to do it. HAVE A BLESSED AND WONDERFUL DAY! As well as a great Valentines Day! :-)
- Cutiepatutie ☺❀❤
Answer:
r can be any number -1.5 to 9.4999999
Step-by-step explanation:
I'm pretty sure your answer would be $<span>28.51305 and that rounded would be $28.51 I hope I helped </span>
Answer:

Step-by-step explanation:
A quadratic expresion is of the form

where

The give options are:




From the given options, the only expression which is quadratic is

where a =5, b=9 and c=-1
Therefore the correct choice is the second option.
Answer:
<u>28</u> cm
Step-by-step explanation:
side opposite of 30° = x = shorter leg / opposite.
side opposite of 60° = x√3 = adjacent.
side opposite of 90° = 2x = hypotenuse.