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3 years ago

11

Tiffany bought a shirt worth c dollars and got a discount of 8% on the original price. Which expression shows the total amount s

he paid?

1 answer:

Nadusha1986 [10]3 years ago

3 0

Answer:0.92c

Step-by-step explanation:

Short equations way:

100%-8%=92%

Convert to decimal:0.92

0.92c

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bixtya [17]

Answer:

$AB=2\sqrt{ab}$

Step-by-step explanation:

From figure,

$OA=a, \quad \quad O'B=b\\\Rightarrow OO'= (a+b) \quad \quad \text{and}\quad OD=(a-b)$

In triangle $OO'D$

$(OO')^2=(OD)^2+(O' D)^2$

$\Rightarrow (a+b)^2=(a-b)^2+(O' D)^2\\\Rightarrow a^2+b^2+2ab-a^2-b^2+2ab=(O' D)^2\\\Rightarrow 4ab=(O' D)^2\\\Rightarrow O'D=2\sqrt{ab} \\\Rightarrow O' D=2\sqrt{ab}=AB \quad \quad [\because O' DAB\;\; \text{is a rectangle.}]$

Hence, $AB=2\sqrt{ab}$

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3 years ago

Write two decimals that are equivalent to 5.300

fiasKO [112]

5.3, 5.3000? I'm not entirely sure, however.

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Vladimir79 [104]

Divide both sides by 7
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Papessa [141]

Answer:

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Step-by-step explanation:

plug in the letters.

41. -2^2-8= 32

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