4 years ago

Which list shows the circles in order from least area to greatest area

Mathematics

1 answer:

Gala2k [10]4 years ago

3 0

Where is the list of circles?

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If ΔABC ΔDEC, what is m∠D? A. 40° B. 150° C. 60° D. 80°

Nina [5.8K]

I think that the best answer here would be that A = 40 degrees.

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3 years ago

sabine and jack know that 1 kilogram = 2.2 pounds and 1 pound = 0.454 kilogram. they each write an expression to convert 50 poun

zzz [600]

Answer:

50 pounds = 22.7 kilograms

Step-by-step explanation:

Yes both are correct

Sabine :

2.2 pounds = 1 kilogram

1 pound = 1/ 2.2 kilogram = 0.454 kilogram

50 pounds = 50 * 0.454 =22.7 kilograms

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3 years ago

Simplify the expression k^14/k^7

VARVARA [1.3K]

$\bf \left.\qquad \qquad \right.\textit{negative exponents}\\\\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}
\qquad \qquad
\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\qquad \qquad 
a^{{{ n}}}\implies \cfrac{1}{a^{-{{ n}}}}\\\\
-------------------------------\\\\
\cfrac{k^{14}}{k^7}\implies k^{14}k^{-7}\implies k^{14-7}\implies k^7$