2 years ago

The surface of An air hockey table has an area of 40 ft. Perimeter is 28 feet what are the dimension of the air hockey table

Mathematics

1 answer:

sukhopar [10]2 years ago

5 0

Answer:

4ft and 10ft

Step-by-step explanation:

you got to figure out which 2 numbers when multipled make 40 and when added make and then multiplied by 2 make 28

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3 years ago

Simplify the expression x^5 • x^7.

avanturin [10]

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Step-by-step explanation:

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3 years ago

he sum of the first two terms of a G.P is 27 whereas the sum of the second and third term is 54. Find the first term and the com

viktelen [127]

Answer:

${ \tt{sum = \frac{a(r {}^{n - 1} )}{n - 1} }} \\ 27 = \frac{a(r {}^{2 - 1} )}{2 - 1} \\ { \bf{27 = ar - - - (i)}} \\ \\ 54 = \frac{a( {r}^{3 - 1} )}{3 - 1} \\ { \bf{108 = a {r}^{2} - - - (ii) }} \\ { \tt{(ii) \div (i) : }} \\ r = \frac{108}{27} \\ { \bf{common \: ratio = 4}} \\ { \bf{first \: term = \frac{27}{4} }}$