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3 years ago

Someone, please help me with this asap! And no links or weird answers, please!

Mathematics

2 answers:

Oxana [17]3 years ago

5 0

Use the rectangle prisms and symbols

kupik [55]3 years ago

3 0

Answer:

$b = 4$

Step-by-step explanation:

subtract by 5 on both sides. ur left with

${b}^{2} = 16$

square root b and 16. the square root cancels out b squared. find the square root of 16. the square root of 16 is 4

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∆ABC and ∆ADE are similar triangles.

Thus ;

$\frac{AD}{AC} = \frac{DE}{BC} = \frac{AE}{AB} \\$

So :

$\frac{5}{3 + 2x} = \frac{4}{8} \\$

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Inverse both sides

$\frac{3 + 2x}{5} = \frac{2}{1} \\$

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

Multiply sides by 5

$5 \times \frac{2x + 3}{5} = 5 \times 2 \\$

$2x + 3 = 10$

Thus ;

$AC = 2x + 3 = 10$

$AC = 10$

Done...

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