3 years ago

One number is 9 more than twice the other number. Their sum is 54. Find the numbers.

1 answer:

3 0

Answer: The Numbers are 15 and 39

Step-by-step explanation: 2(15) + 9 = 39

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Phantasy [73]

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Alexxx [7]

Answer: 55

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lukranit [14]

Answer: The measure of the vertex angle = 80°

Step-by-step explanation:

Angle sum property of triangle : The sum of the measures of the angles for any triangle is 180 degrees.

So,

$3x+ 5 + 5x-25+6x-10= 180\\\\\Rightarrow\ 14x-30=180\\\\\Rightarrow\ 14x= 210\\\\\Rightarrow x=\dfrac{210}{14}=15$ '

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Hence, The measure of the vertex angle = 80°

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Len [333]

Answer:

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