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Nataliya [291]
3 years ago
7

Multiply (2x + 8)^2.

Mathematics
1 answer:
pantera1 [17]3 years ago
7 0
If the ^ is a divided sign then 5x if it’s a multiplication sign 20x! Don’t forget Order of operations.
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Calculate the coefficients of the first four terms of the binomial expansion for the binomial (x+y)^28
MakcuM [25]

Consider the following expanded powers of (a + b)n, where a + b is any binomial and n is a whole number. Look for patterns.

Each expansion is a polynomial. There are some patterns to be noted.

1. There is one more term than the power of the exponent, n. That is, there are terms in the expansion of (a + b)n.

2. In each term, the sum of the exponents is n, the power to which the binomial is raised.

3. The exponents of a start with n, the power of the binomial, and decrease to 0. The last term has no factor of a. The first term has no factor of b, so powers of b start with 0 and increase to n.

4. The coefficients start at 1 and increase through certain values about "half"-way and then decrease through these same values back to 1.

8 0
3 years ago
Please answer this question!I don’t understand it-Question number 2
Tasya [4]

Answer: The greatest depth of the Southern Ocean is 7.24

Step-by-step explanation:

So, if you add all the greatest depths up, you get 33.23

(33.23 + x)/5 = 8.094

Multiply each side by 5

33.23 + x = 40.47

Subtract 33.23 from each side

x = 7.24

You can check this by adding all the numbers up and dividing them by 5

40.47/5 = 8.094

7 0
3 years ago
Read 2 more answers
Can someone explain what these types of arrows mean please?
Yakvenalex [24]
I think it means grater or less ? Or positive or negative?
8 0
3 years ago
Help me please I NEED to pass this
Alina [70]

OPTION C is the correct answer.

Hope it helps you.

4 0
3 years ago
I need help with this please
natka813 [3]

Answer:

Step-by-step explanation:

Antelope, Montana:  

    21, 30, 42, 58, 70, 79

Range- 58     79-21= 58

Quartile 1- 30

Quartile 3- 70

Interquartile Range- 40     70-30= 40

Augusta, Maine:

    28, 32, 41, 53, 66, 75

Range- 47

Quartile 1- 32

Quartile 3- 66

Interquartile Range- 34

3 0
3 years ago
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