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3 years ago

What is the radius and diameter of the following circle?

Mathematics

1 answer:

Cerrena [4.2K]3 years ago

5 0

Answer:

Radius=9

Diameter=18

Step-by-step explanation:

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How do you put 10×(2.5 +13.5) in word form

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Ten times the sum of two and five tenths and thirteen and 5 tenths.

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3 years ago

Given that log 2 = 0.3010 and log 3 = 0.4771 , how can we find log 6 ?

bearhunter [10]

Answer:

$\sf \log_{10}6=0.7781$

Step-by-step explanation:

<u>Given</u>:

$\sf \log_{10} 2 = 0.3010$

$\sf \log_{10} 3 = 0.4771$

To find log₁₀ 6, first rewrite 6 as 3 · 2:

$\sf \implies \log_{10}6=\log_{10}(3 \cdot 2)$

$\textsf{Apply the log product law}: \quad \log_axy=\log_ax + \log_ay$

$\implies \sf \log_{10}(3 \cdot 2)=\log_{10}3+\log_{10}2$

Substituting the given values for log₁₀ 3 and log₁₀ 2:

$\begin{aligned} \sf \implies \log_{10}3+\log_{10}2 & = \sf 0.4771+0.3010\\ & = \sf 0.7781 \end{aligned}$

Therefore:

$\sf \log_{10}6=0.7781$

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1 year ago

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Select all of the following that are quadratic equations. 7x2 + 14x = 0 x3 - 3x2 + 1 = 0 5x - 7 = 0 x2 + 3x -5 = 0 x - 5 = 9x +

Tpy6a [65]

Answer:

7x2 + 14x = 0

x2 + 3x -5 = 0

x2 - x = 3x + 7

Step-by-step explanation:

A quadratic equation has the highest power of x to the second power. It must have x to the second power

7x2 + 14x = 0 quadratic

x3 - 3x2 + 1 = 0 not quadratic but cubic

5x - 7 = 0 not quadratic but linear

x2 + 3x -5 = 0 quadratic

x - 5 = 9x + 7 not quadratic but linear

x2 - x = 3x + 7 quadratic

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2 years ago