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Zina [86]
3 years ago
11

HELP ASAP!!!

Mathematics
2 answers:
Viefleur [7K]3 years ago
8 0
The correct answer is A) 20%. Hope this helps.
Dmitry_Shevchenko [17]3 years ago
5 0
($21.56)/ ($26.95)* 100%= 80%

That means the price of the book after discount is 80% of its original price.

Percent discount was:
100%- 80%= 20%

The final answer is A. 20%.
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sashaice [31]
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(5,0)(5,0)

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(−∞,∞)(-∞,∞)

{x|x∈R}{x|x∈ℝ}

For each xx value, there is one yy value. Select few xx values from the domain. It would be more useful to select the values so that they are around the xx value of the absolute valuevertex.

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8 0
2 years ago
Simplify the expression.
spayn [35]

Answer:

C. \huge\frac{1}{3x {y}^{2}  {z}^{4}}

Step-by-step explanation:

(9 {x}^{2}  {y}^{4}  {z}^{8} )^{  - \frac{1}{2} }  \\   \\  = ( {3}^{2}  {x}^{2}  {y}^{4}  {z}^{8} )^{  - \frac{1}{2} }  \\  \\  =  \frac{1}{( {3}^{2}  {x}^{2}  {y}^{4}  {z}^{8} )^{ \frac{1}{2} }}  \\  \\  =  \frac{1}{(3x {y}^{2}  {z}^{4})^{2 \times  \frac{1}{2} }  }  \\  \\  =  \frac{1}{3x {y}^{2}  {z}^{4}} \\  \\  \red{ \bold{ \therefore \: (9 {x}^{2}  {y}^{4}  {z}^{8} )^{  - \frac{1}{2} } =  \frac{1}{3x {y}^{2}  {z}^{4}} }}\\

7 0
3 years ago
Simultaneously x-2y=0 40-y=14​
harkovskaia [24]

Answer:

x = 52, y = 26

Step-by-step explanation:

x - 2y = 0

40 - y = 14​

(40 - 40) - y = 14​ - 40

- y = -26

y = 26

x - 2(26) = 0

x - 52 = 0

x (- 52 + 52) = 0 + 52

x = 52

7 0
3 years ago
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Amanda [17]

Answer:

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Step-by-step explanation:

5 0
3 years ago
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Sedaia [141]

Answer:

24ft

Step-by-step explanation:

3 0
3 years ago
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