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castortr0y [4]
3 years ago
13

Find the product. (n + 4)2

Mathematics
2 answers:
lukranit [14]3 years ago
7 0

Answer:

2n+8 or n^2+8n+16 if the 2 is an exponent

Step-by-step explanation:

The Distributive property says a(b+c)=ab+ac

Knowing this, lets apply it to the problem...

1) Distribute 2 to n:

2n

2) Distribute 2 to 4:

2n+8

If the problem is squared, use foil (first, outer, inner, last)

(n+4)(n+4)

n^2+4n+4n+16

1) Simplify:

n^2+8n+16

Schach [20]3 years ago
5 0

Answer:

n^2+8n+16

Step-by-step explanation:

(n+4)^2

=(n+4) (n+4)

= n^2+4n+4n+16

=n^2+8n+16

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What is the constant of proportionality in the equation?<br> y= 5x
Firlakuza [10]
Hope this helps google helps btw

5 0
3 years ago
40 = 25 + x
RSB [31]

Answer:

True

Step-by-step explanation:

This is true. x + 25 equals 40 in both cases, so they're equal.

4 0
3 years ago
An initial population if 1000 starfish double each year for 4 years. What is the population after 4 years?
Zolol [24]

Answer:

16,000 starfish

Step-by-step explanation:

year 0: 1000

year 1: 2000

year 2: 4000

year 3: 8000

year 4: 16000

8 0
2 years ago
What does x equal???????? please help
Sholpan [36]
<h3>Answer: x = 61</h3>

=============================================

Explanation:

The angle x and the 29 degree angle combine to form a 90 degree angle. This is because the square maker on the left has that angle at 90 degrees, and all of the angles combine to form 180. So 180-90 = 90 is the left over amount.

Add up x and 29 to get 90

x+29 = 90

Solve for x by subtracting 29 from both sides

x+29-29 = 90-29

x+0 = 61

x = 61

--------------

An alternative is to solve the equation below for x

x+29+90 = 180 ... see note below

x+119 = 180

x+119-119 = 180-119 ... subtract 119 from both sides

x = 61

we get the same answer

note: this equation turns into x+29 = 90 if you subtracted 90 from both sides

7 0
3 years ago
Given BE= 2x+6 and ED= 5x-12 in a parallelogram ABCD, find BD
Brrunno [24]
1.BE = 2x + 6
   ED = 5x - 12
2. To get the entire side of BD, we must add both half's which equals to the entire length.
3. 2x + 6 + 5x - 12
4.Add like terms.
2x + 5x = 7x
-12 + 6 = -6
5. So, we have 7x - 6

=7x - 6
3 0
3 years ago
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