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Rational Numbers

Short Answer Type

31.

$space space space fraction numerator negative 5 over denominator 8 end fraction cross times fraction numerator negative 3 over denominator 7 end fraction$

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32.

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33.

-1

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34.

space space space fraction numerator negative 4 over denominator 5 end fraction cross times 1 equals 1 cross times fraction numerator negative 4 over denominator 5 end fraction equals negative 4 over 5

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35.

space space minus 13 over 17 cross times fraction numerator negative 2 over denominator 7 end fraction equals fraction numerator negative 2 over denominator 7 end fraction cross times fraction numerator negative 13 over denominator 17 end fraction

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36.

space space fraction numerator negative 19 over denominator 29 end fraction cross times fraction numerator 29 over denominator negative 19 end fraction space equals space 1

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37.

Multiply $space space 6 over 13$ by the reciprocal of $fraction numerator negative 7 over denominator 16 end fraction$

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38.

Tell what property allows you to computer $space space 1 third cross times open parentheses 6 cross times 4 over 3 close parentheses space a s space open parentheses 1 third cross times 6 close parentheses cross times 4 over 3$

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39.
Is $space space 8 over 9$ the multiplicative inverse of $<pre>uncaught exception: mkdir(): Permission denied (errno: 2) in /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php at line #56mkdir(): Permission denied in file: /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php line 56 #0 [internal function]: _hx_error_handler(2, 'mkdir(): Permis...', '/home/config_ad...', 56, Array) #1 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php(56): mkdir('/home/config_ad...', 493) #2 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.class.php(110): com_wiris_util_sys_Store->mkdirs() #3 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/RenderImpl.class.php(231): com_wiris_plugin_impl_FolderTreeStorageAndCache->codeDigest('mml=<math xmlns...') #4 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/TextServiceImpl.class.php(59): com_wiris_plugin_impl_RenderImpl->computeDigest(NULL, Array) #5 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/service.php(19): com_wiris_plugin_impl_TextServiceImpl->service('mathml2accessib...', Array) #6 {main}</pre>$ Why or why not?

Since, $space space space space space space space space space minus 1 1 over 8 space equals space fraction numerator negative 9 over denominator 8 end fraction space space a n d space 8 over 9 cross times fraction numerator negative 9 over denominator 8 end fraction equals negative 1$ (Which is not equal to 1)

So, $<pre>uncaught exception: mkdir(): Permission denied (errno: 2) in /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php at line #56mkdir(): Permission denied in file: /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php line 56 #0 [internal function]: _hx_error_handler(2, 'mkdir(): Permis...', '/home/config_ad...', 56, Array) #1 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/util/sys/Store.class.php(56): mkdir('/home/config_ad...', 493) #2 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/FolderTreeStorageAndCache.class.php(110): com_wiris_util_sys_Store->mkdirs() #3 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/RenderImpl.class.php(231): com_wiris_plugin_impl_FolderTreeStorageAndCache->codeDigest('mml=<math xmlns...') #4 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/lib/com/wiris/plugin/impl/TextServiceImpl.class.php(59): com_wiris_plugin_impl_RenderImpl->computeDigest(NULL, Array) #5 /home/config_admin/public/felixventures.in/public/application/css/plugins/tiny_mce_wiris/integration/service.php(19): com_wiris_plugin_impl_TextServiceImpl->service('mathml2accessib...', Array) #6 {main}</pre>$ is not the muiltiplicative inverse of $space space space fraction numerator negative 9 over denominator 8 end fraction$

(The product of $space space fraction numerator negative 9 over denominator 8 end fraction$ and its multiplicative inverse must be equal to 1)

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40.

Is 0.3 the multiplicative inverse of Why or why not?

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Previous Year Papers

Test Series

Test Yourself

Short Answer Type

39. Is the multiplicative inverse of Why or why not?