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3 years ago

3 -3 1/3 -1/3 Please help

Mathematics

2 answers:

goldfiish [28.3K]3 years ago

8 0

Im pretty sure the answer is 1/3

Zanzabum3 years ago

8 0

Answer:

The slope would be 3

Step-by-step explanation:

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Help please!

Mamont248 [21]

Answer: see proof below

<u>Step-by-step explanation:</u>

Use the Sum & Difference Identity: cos (A + B) = cos A · cos B - sin A · sin B

Recall the following from Unit Circle: cos (π/2) = 0, sin (π/2) = 1

cos (π) = -1, sin (π) = 0

Use the Quotient Identity: $\tan A=\dfrac{\sin A}{\cos A}$

<u>Proof LHS → RHS:</u>

$\text{LHS:}\qquad \qquad \dfrac{\cos \bigg(\dfrac{\pi}{2}+x\bigg)}{\cos \bigg(\pi +x\bigg)}$

$\text{Sum Difference:}\qquad \dfrac{\cos \dfrac{\pi}{2}\cdot \cos x-\sin \dfrac{\pi}{2}\cdot \sin x}{\cos \pi \cdot \cos x-\sin \pi \cdot \sin x}$

$\text{Unit Circle:}\qquad \qquad \dfrac{0\cdot \cos x-1\cdot \sin x}{-1\cdot \cos x-0\cdot \sin x}$

$=\dfrac{-\sin x}{-\cos x}$

Quotient: tan x

LHS = RHS $\checkmark$

7 0

2 years ago

Read 2 more answers

Malory spent $5 on a 16oz bag of wheat thins. At this rate, how much does it cost for 10 oz of wheat thins?

igomit [66]

Answer:

$3.13

Step-by-step explanation:

Get the price per oz:

5/16 = 0.3125

Multiply that by the amount of ozs you are looking to buy:

0.3125 x 10 = 3.125

Round to get your answer

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2 years ago

A church has 10 bells in its bell tower. Before each church service 7 bells are rung in sequence. No bell is rung more than once

elixir [45]

Answer:

3 Because there are only three bells that aren't being run there for three additional ways that the bells could be rung

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2 years ago

What is the opposite of -5.

frosja888 [35]

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In kite WXYZ, the measure of Measure of angle X = measure of angle Z = 86 degrees, and the Measure of angle Y = 72 degrees.

Varvara68 [4.7K]

Answer:

116

Step-by-step explanation:

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2 years ago