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garik1379 [7]
2 years ago
13

Could use some help please

Mathematics
1 answer:
Helen [10]2 years ago
5 0

Answer:

Area of Square= 12*12= 144

Area of Circle= πr2

Radius= 12/2= 6

Area of Circle= 3.14*6*6 =113.04

Area of shaded region= 144- 113.04 = 30.96 = 31.0 (1 dp)

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a customers total bill is $50.50. The company charges a monthly fee of $28 plus 5 cents for each call. Use n to represent the nu
Doss [256]
.05n + $28 = $50.50

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5n = 2250

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3241004551 [841]

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2 years ago
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Paha777 [63]
Solution:
1. Move all terms to one side
<span>25{x}^{2}+40x+16-28=0</span>  2. Simplify <span>25{x}^{2}+40x+16-28 to <span>25<span>x<span><span>​2</span><span>​​</span></span></span>+40x</span></span><span><span>−12</span></span>
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</span> 4. Simplify solutions
<span>x=-\frac{2(2-\sqrt{7})}{5},-\frac{2(2+\sqrt{7})}{5}</span> Done!
8 0
3 years ago
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katen-ka-za [31]

Answer:

352

Step-by-step explanation:

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4 0
2 years ago
What number must be added to the expression below to complete the square? X^2-7x
Yuki888 [10]

Answer:

49/4

Step-by-step explanation:

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