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DanielleElmas [232]
3 years ago
15

WILL GIVE BRAINLIEST Algebraic expression for a% of b

Mathematics
1 answer:
Genrish500 [490]3 years ago
4 0
"percent" means "out of a hundred"
1% = 1/100, 2% = 2/100, etc
So, a% is a/100
a% of b is a% times b
So, a% of b = (a/100)b
Another way to write it is ab/100
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The perimeter of a rectangle is 46 millimeters. The length of the rectangle can be represented by (3x+3), and its width can be r
Tamiku [17]

Answer:

The dimension of this rectangle = 2mm by 21mm

Where 2 mm = Width of the rectangle

21 mm = Length of the rectangle.

Step-by-step explanation:

The formula for the perimeter of a rectangle = 2(L + W)

= 2L + 2W

The perimeter = 46 mm

L = 3x + 3

W = x - 4

P = 2L + 2W

46mm = 2(3x + 3) + 2(x - 4)

46 = 6x + 6 + 2x - 8

Collect like terms

46 +8 -6 = 6x + 2x

48 = 8x

x = 48/8

x = 6

Since the Length = 3x + 3

= 3(6) + 3

= 18 + 3

= 21mm

Since the Width = x - 4

= 6 - 4

= 2mm

Therefore, the dimension of this rectangle = 2mm by 21mm

Where 2 mm = Width of the rectangle

21 mm = Length of the rectangle.

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3 years ago
Norah wants to download 2 different applications on her phone. 1 used 2.42 megabytes. The other 1 used 1.76. How many total mega
CaHeK987 [17]
I believe you add 2.42 and 1.72
3 0
3 years ago
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What's the answer to this question??​
laiz [17]

Answer:

b=8

Step-by-step explanation:

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7 0
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Step-by-step explanation:

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A = πr^2 = π × (8.4956cm^)2 = 226.4cm^2

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