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valentina_108 [34]
2 years ago
13

Use the commutative property to identify which expression is equal to (3+4) x9

Mathematics
1 answer:
irinina [24]2 years ago
4 0
The correct answer is A) 9x(3+4)
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According to u.s. postal regulations, the girth plus the length of a parcel sent by mail may not exceed 108 inches, where by "gi
Pepsi [2]
Let x represent the side length of the square end, and let d represent the dimension that is the sum of length and girth. Then the volume V is given by
  V = x²(d -4x)
Volume will be maximized when the derivative of V is zero.
  dV/dx = 0 = -12x² +2dx
  0 = -2x(6x -d)
This has solutions
  x = 0, x = d/6

a) The largest possible volume is
  (d/6)²(d -4d/6) = 2(d/6)³
  = 2(108 in/6)³ = 11,664 in³

b) The dimensions of the package with largest volume are
  d/6 = 18 inches square by
  d -4d/6 = d/3 = 36 inches long

8 0
3 years ago
What is the prime factorization of 585?
meriva

The prime factorization is 3 x 3 x 5 x 13

7 0
2 years ago
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Which of the following are exterior angles? Check all that apply.
Marina86 [1]

Answer:

A

C

D

E

Step-by-step explanation:

Exterior angles can be described as the angles that are formed between the side of a polygon and the extended adjacent side of the polygon.

Or an exterior angle is the angle that is not inside the triangle formed.

The angles inside the triangle are interior angles.

Exterior angles are :

2

3

4

6

Interior angles are :

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6 0
3 years ago
1-(-4) ,, (-4) is squared outside the parentheses
Naddika [18.5K]
1-(-4)^2
1-(-4 times -4)
1-(16)
1-16
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5 0
3 years ago
How I can answer this question, NO LINKS, if you answer correctly I will give u brainliest!
Scorpion4ik [409]

Answer:

x=4/3y

The grapgh is below

Hope This Helps!!!

8 0
2 years ago
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