Mathematics: What is the value of x to the nearest tenth? a. 6.0 b. 13.4 c. 26.8 d. 30.0

What is the value of x to the nearest tenth? a.

Ответ:

nae467

13.03.2022

Use the Pythagorean theorem:

$\left(\dfrac{1}{2}x\right)^2+12^2=18^2\\\\\dfrac{1}{4}x^2+144=324\ \ \ |-144\\\\\dfrac{1}{4}x^2=180\ \ \ \ |\cdot4\\\\x^2=720\to x=\sqrt{720}\\\\\boxed{x\approx26.8}$

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Ответ:

honeybaby675610

28.10.2020

Mathematics

Originally Answered: How do you multiply a decimal greater than 0 and a fraction less than 0? Simply multiply the decimal with the numerand (top of the fraction) and divide by the denominator ( bottom of fraction). Since one is positive ( greater than 0) and the other is negative the answer will always be negative.

Step-by-step explanation:

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What is the value of x to the nearest tenth? a. 6.0 b. 13.4 c. 26.8 d. 30.0

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