Answer:
<u>Solved only ticked ones</u>
- 4a² + 49b² = (2a + 7b)² - 28ab = 11² - 28*2 = 65
- 4x² + 9y² = (2x + 3y)² - 12xy = 12² - 12*6 = 72
- 4x² + 9y² = (2x - 3y)² + 12xy = 2² + 12*8 = 100
- 16x² + 25y² = (4x - 5y)² + 40xy = 6² + 40*8 = 356
Answer:
1.5 sweaters or 1 and half of a sweater
Step-by-step explanation:
you would multiply 6 by 3/12 and get 1 and a half
Answer: B
Step-by-step explanation:
Answer:
True
Step-by-step explanation:
The integral

in the integral we have a product of a monomial: 
and an exponential function: 
In general case, when we have a combination of these two things you can use the integration by parts, where
will be
and
will be
.
The statement is true
Answer:
C.4N+8
Step-by-step explanation: