Answer:
Step-by-step explanation:
You will need to know the gram weight per mole from the periodic table for the element ( or the molecule of elements) in question.
Answer:
3) 441 m² (C)
Step-by-step explanation:
the square root of 29² - 20² is = 21 (side length of Q
21 is all of the side lengths since it's a square.
so multiply 21 by itself:
21x21= the area of q= 441 m²
Answer:
the answer is 67
Step-by-step explanation:
hope it's helpful
Answer:
2. 91/12 or 7+7/12
3. 3+14/27
4. 35 / 192
my answers were all wrong (idk how) the working isnt there, but these are right 100%, when you divide fractions you multiply by the reciprocal
Answer:
c
x2−8x+15=0 is the quadratic equation whose roots are 3 and 5.
