Write 75.2% as a decimal

Mathematics

2 answers:

mamaluj [8]4 years ago

8 0

Answer:

0.572

Step-by-step explanation:

75.2% = 0.752 in decimal form. Percent means 'per 100'. So, 75.2% means 75.2 per 100 or simply 75.2/100. If you divide 75.2 by 100, you'll get 0.752 (a decimal number).

(Can you mark me brainliest?) And can you tell me if right?

tiny-mole [99]4 years ago

6 0

Answer:

0.752

Step-by-step explanation:

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Answer: see proof below

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

$\dfrac{1+\sec A}{\sec A}=\dfrac{\sin^2 A}{1-\cos A}$

Use the following Identities:

sec Ф = 1/cos Ф

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<u>Proof LHS → RHS</u>

$\text{LHS:}\qquad \qquad \dfrac{1+\sec A}{\sec A}$

$\text{Identity:}\qquad \qquad \dfrac{1+\frac{1}{\cos A}}{\frac{1}{\cos A}}$

$\text{Simplify:}\qquad \qquad \dfrac{\frac{\cos A+1}{\cos A}}{\frac{1}{\cos A}}\\\\\\.\qquad \qquad \qquad =\dfrac{1+\cos A}{1}$

$\text{Multiply:}\qquad \qquad \dfrac{1+\cos A}{1}\cdot \bigg(\dfrac{1-\cos A}{1-\cos A}\bigg)\\\\\\.\qquad \qquad \qquad =\dfrac{1-\cos^2 A}{1-\cos A}$