Answer:
C
Step-by-step explanation:
49x² + 28xy + 4y² ← is a perfect square of the form
(ax + by)² = a²x² + 2abxy + b²y²
49 = 7² ⇒ a = 7 and 4 = 2² ⇒ b = 2
2ab = 2 × 7 × 2 = 28
Hence
49x² + 28xy + 4y² = (7x + 2y)²
with factor 7x + 2y ⇒ C
Answer:
Step-by-step explanation:
Discussion
This should be answered with the mean. The lower the mean, the lower the score it took to get the mean. So B is the answer.
Answer:
c x ≤ 6
Step-by-step explanation:
2x ≤ 12
Divide each side by 2
2x/2 ≤ 12/2
x ≤ 6
Answer:
Malcolm would fill 8 bags of rice.
Step-by-step explanation:
The size of the container of rice = 5
pounds =
pounds.
Each bag of rice has a capacity of
pounds.
The number of bags of rice that Malcolm fills = 
=
÷ 
=
x 
= 
= 8
Therefore, Malcolm would be able to fill 8 bags of rice.