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umka21 [38]
3 years ago
8

Which expression is equal to x^2+16

Mathematics
2 answers:
LenaWriter [7]3 years ago
8 0
You should indicate which type of expression are you expecting.

But intuitively, x^2 + 16 = x^4 + 4^2 = (x+4)^2 - 8x
Anna35 [415]3 years ago
4 0

Answer:(x+4i)(x-4i)

Step-by-step explanation:

Apex

You might be interested in
Solve using inverse operations 83+q=125; q=
Vilka [71]

Answer:

42

Step-by-step explanation:

83+q=125

q=125-83

q=42

3 0
3 years ago
A calculus exam has a mean of µ = 73 and a standard deviation of σ = 4. Trina's score on the exam was 79, giving her a z-score o
kirza4 [7]

Answer:

I get z = +1.8

x= 79

m= 73;s= 4;z= (x-m)/s= 1.5

hope it helps you

7 0
3 years ago
I need help please?!!!!
klasskru [66]

Answer:

C

Step-by-step explanation:

(3^5)^2 = 3^10

(8^2)^5 = 8^10

therefore

(3/8)^10

7 0
3 years ago
Read 2 more answers
Data set: 47, 45, 44, 41, 48
Tamiku [17]

Answer:

2

Step-by-step explanation:

3 0
3 years ago
A rectangular prism has a base area of 56 square feet and a volume of 840 cubic feet. The length of the base is longer than the
katovenus [111]
The answer is 8 ft.

The base area of rectangular prism is: A = l * w = 56 ft²
<span>The length of the base is longer than the width: l > w

The volume of the prism is: V = l * w * h = 840 ft</span>³
<span>The sum of the length and width of the base is equal to the height of the pyramid: l + w = h

So:
</span>l * w = 56
l * w * h = 840
___
56 * h = 840
h = 840 / 56
h = 15 ft

Now, we know that
l + w = 15         ⇒ w = 15 - l
l * w = 56
___
l * (15 - l) = 56
15l - l² = 56
0 = l² - 15l + 56

Or: l² - 15l + 56 = 0

Let's solve the quadratic function:
l = (-b +/-√(b² - 4ac)/(2a)
  = (15 +/-√(-15)² - 4 * 1 * 56))/(2*1)
  = (15 +/- √(225 - 224))/2
  = (15 +/- √1)/2
  = (15 +/-1)/2
 
l = (15+1)/2 = 16/2 = 8
or
l = (15-1)/2 = 14/2 = 7

If l = 8, then w = 15 - 8 = 7.    So, l > w
If l = 7, then w = 15 - 7 = 8.     So, l < w

Therefore, l = 8 ft.
6 0
3 years ago
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