Answer:
Step-by-step explanation:
Given that
Right side has values as
53, 53+77, 53+2(77),+....
We have to find one which is a perfect square.
We have from this series 361 is 19 square
Thus 
Next is 
and so on.
Answer:
Answer: l = 82.5
Step-by-step explanation:
11/2 x 15 = 82.5.
Answer:
Well by looking at the products,it must be sodium bicarbonate (NaHCO3)
Step-by-step explanation:
but then sodium bicarbonate does not remove permanent hardness of water,that compound is washing soda(Na2CO3) which should not be confused with NaHCO3. So as it would appear,the premise of the question is wrong but there is a compound that reacts with HCl to give those products
Answer:
next to the seven would be 2 and before the 4 would be 14
Step-by-step explanation
Find how much fabric it takes to make one cloak, 21/6=3.5
To find the answer in the second row you see how many times that amount of fabric goes into 7. 7/3.5=2
To find the answer to the third row multiply the amount of fabric it takes to make one cloak, 3.5, by 4, the amount of cloaks. 3.5x4=14
