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2 years ago

PLEASE HELP ME WITH PROOFS . DONT ANSWER IF YOU DONT KNOW. BRAINLY FOR CORRECT ANSWER

Mathematics

1 answer:

ZanzabumX [31]2 years ago

6 0

Step-by-step explanation:

Does this help?

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In abc above,what is the length of ad

Nezavi [6.7K]

Answer:

Step-by-step explanation:

First calculate BD using sine ratio in Δ BCD and the exact value

sin60° = $\frac{\sqrt{3} }{2}$ , thus

sin60° = $\frac{opposite}{hypotenuse}$ = $\frac{BD}{BC}$ = $\frac{BD}{12}$ = $\frac{\sqrt{3} }{2}$ ( cross- multiply )

2BD = 12 $\sqrt{3}$ ( divide both sides by 2 )

BD = 6 $\sqrt{3}$

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Calculate AD using the tangent ratio in Δ ABD and the exact value

tan30° = $\frac{1}{\sqrt{3} }$ , thus

tan30° = $\frac{opposite}{adjacent}$ = $\frac{AD}{BD}$ = $\frac{AD}{6\sqrt{3} }$ = $\frac{1}{\sqrt{3} }$ ( cross- multiply )

$\sqrt{3}$ AD = 6 $\sqrt{3}$ ( divide both sides by $\sqrt{3}$ )

AD = 6 → B

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2 years ago

1. If you invest $500 in an account that earns 3.5% annually compounded monthly. How

Roman55 [17]

A

Answer with explanation

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2 years ago

7 + #1. Graph a line to represent the function Y = 4x - 1.

elixir [45]

Root: (1/4, 0)
vertical intercept: (0, -1)

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2 years ago

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n200080 [17]

Answer:

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Oksi-84 [34.3K]

Answer:

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