2 years ago

2. Zariya received a discount of 11% on a dress costing $85.50. How much did she pay for the dress?

Mathematics

1 answer:

erastova [34]2 years ago

5 0

Answer:D

Step-by-step explanation:

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3 years ago

Enter the solutions from least to greatest. (2x +4)(3x -2)=0

morpeh [17]

Answer:

From least to greatest: -2, 2/3

Step-by-step explanation:

Set each factor equal to 0 and solve

2x + 4 =0

2x = -4

x = -2

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3 years ago

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3 years ago

Ahmad lost 50 dollars from his pocket.<br><br>Write a signed number to represent this change.

IRINA_888 [86]

Answer:

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Step-by-step explanation:

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3 years ago

The simplified expression

Romashka-Z-Leto [24]

Answer:

$5x^2 y^2$

Step-by-step explanation:

We need to use the properties shown below to solve this:

1. $\sqrt[n]{x^a} =x^{\frac{a}{n}}$

2. $\sqrt{x}\sqrt{x} =x$

3. $\sqrt{x} \sqrt{y}=\sqrt{x*y}$

Area of a triangle is given by 1/2 * base * height, so we do that and simplify:

$A=\frac{1}{2}(\sqrt{5x^3} )(2\sqrt{5xy^4} )\\A=\frac{1}{2}(5x^3)^{\frac{1}{2}}*2*(5xy^4)^{\frac{1}{2}}\\A=\sqrt{5}x^{\frac{3}{2}}*\sqrt{5}\sqrt{x} } y^2\\A=\sqrt{5} \sqrt{5}x^{\frac{3}{2}} x^{\frac{1}{2}}y^2\\A=5*x^2y^2\\A=5x^2 y^2$

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3 years ago