3 years ago

Simplify the expression below. (2y+1)^2-4y^2+2 A. 4y+3 B. 2y+3 D. -1

Mathematics

1 answer:

kramer3 years ago

5 0

Answer:

4 y + 3

Step-by-step explanation:

y = -3/4

d/dy((2 y + 1)^2 - 4 y^2 + 2) = 4

Indefinite integral:

integral(2 - 4 y^2 + (1 + 2 y)^2) dy = 2 y^2 + 3 y + constant

You might be interested in

Don’t need to explain, but if you want to then go ahead!

drek231 [11]

Answer:a

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Find the error in the student's work. Which of the following steps is where the first error occurred?

Stels [109]

Answer:

Step 1 should have a -2 substituted for both values.

5 0

3 years ago

The following data shows the weight, in pounds, of 6 bags:

77julia77 [94]

Answer:

1.3 pounds; on average, weight of a bag varies 1.3 pounds from the mean of 7 pounds

Step-by-step explanation:

the mean absolute deviation is 1.3 and the mean is 7. i just took this test today, hoped this helped:)

8 0

3 years ago

Molly and Ryan both need to answer this question on their test in math class. 34×45=? They both got 12/20 as their answer but do

Neporo4naja [7]

It would be 3/5 because if you simplify it you would bet 3/5

4 0

3 years ago

StartFraction 47 Over 39 EndFraction = StartFraction b Over 2 EndFraction

statuscvo [17]

Answer:

2.41

Step-by-step explanation:

Cross multiplication

47(2)=39b

94÷39=39b÷39

2.41=b

3 0

3 years ago