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diamong [38]
3 years ago
7

Square ABCD has a diagonal of 8 inches long. How many square inches is the area of the shape?

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
4 0
Area A of a square with side length a:  A = a².

Pythagoras theorem: a² + b² = c² 

2*a² = 8²

A = 8²/2

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A. linear expression

Step-by-step explanation:

Just got it right on the test.

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Find the size of angle XYZ.<br>Give your answer to 1 decimal place.<br>Z<br>13 cm<br>x<br>Y<br>4 cm​
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Answer:

<h2><em>7</em><em>2</em><em>.</em><em>9</em><em>°</em></h2>

<em>sol</em><em>ution</em><em>,</em>

<em>tan \: y \:  =  \frac{13}{4}  \\ y =  {tan}^{ - 1}  ( \frac{13}{4} ) \\ y = 72.9</em>

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Dylan invested $1800 in an scoping that pays 3.75% interest compounded annually. Assuming no deposits or withdrawals are made, f
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Answer:

2244.9

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Anually compound interest formula

PV(1+i)^t

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8 0
3 years ago
What is the equation of the line that passes through (-3,-1 ) and has a slope of 3/5
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The point-slope form:

y-y_1=m(x-x_1)

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Answer:

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