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timofeeve [1]
2 years ago
13

Help! (Math and area!!)

Mathematics
1 answer:
LenKa [72]2 years ago
6 0

Answer:

1.) Triangle is <u>1/2 x b x h (Which is option C)</u>

2.) Rhombus is<u> ½ × d1 × d2. (Which is option A)</u>

3.) Trapezoid is <u>½(b 1+b 2)h or (b1 + b2)h/2 (Which is option B)</u>

4.) Parallelogram is <u>base x height (Which is option D)</u>

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Please help and thank you
Sauron [17]

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Step-by-step explanation:

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3 years ago
Perform the following operations and prove closure. Show your work.<br><br> (x/x+3) + (x+2/x+5)
Westkost [7]

Answer:

\frac{2(x^{2} + 5x + 3)}{(x+3)(x+5)}

Step-by-step explanation:

We need to sum the following two expressions:

\frac{x}{x+3} + \frac{x+2}{x+5}

\frac{x(x+5) + (x+2)(x+3)}{(x+3)(x+5)}

expanding the polynomial in the numerator:

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This is the most simplified form we can get:

\frac{2(x^{2} + 5x + 3)}{(x+3)(x+5)}

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