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9th-Grade-Math---USA

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Easy

Question

If $fraction numerator 7 over denominator 2 a plus 8 end fraction equals fraction numerator 1 over denominator a minus 1 end fraction$ , then $a equals$

1
2
3
4

The correct answer is: 3

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In the diagram, if $capital delta P Q M tilde capital delta N M R text and end text stack M R with bar on top approximately equal to stack Q R with bar on top$ , NR = 12, then PM =

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If $capital delta P Q R tilde capital delta S T U$ , then the proportion that is not necessarily true is

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If $capital delta A B C tilde capital delta E D C$ , then the value of n is

If $capital delta A B C tilde capital delta E D C$ , then the value of n is

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If $capital delta P Q R tilde capital delta A B C$ , then the value of x is

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In the diagram, $fraction numerator B A over denominator D A end fraction equals fraction numerator B C over denominator E C end fraction$ , then BD =

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Two similar "FOR SALE" signs have a scale factor of 5:3. If the large sign’s perimeter is 60 inches, then the small sign’s perimeter is

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