Step-by-step explanation:
step 1. the perfect square will look like this: (7x + a)(7x + a) = (7x + a)^2.
step 2. by performing FOIL you will get 49x^2 + 14xa + a^2.
step 3. 14a = 84. a = 6
step 4. a^2 = 36.
step 5. k = 36.
Answer:
can you plz show a pic of the page ...
Step-by-step explanation:
Hi the answer is 117 because 117 times 3 equals 351 , in this type of problems you just have to find a number that when is duplicate is going to give you the answer , so if you add 117 and 117 , 117 , you will find out that your answer is 351.
Answer:
I need more information please
We are given the data about the ratio of the number of pounds of potato-salad and the number of people that can be fed. In this case, the ratio is 3 pounds/ 15 people or 1 pound of potato salad per 5 people fed. For 200 people, 200 people* (1 pound of potato salad per 5 people) is equal to 40 pounds of potato-salad