3 years ago

Plz help with question

Mathematics

1 answer:

Natasha_Volkova [10]3 years ago

3 0

Answer:

I believe it's B

Step-by-step explanation:

Isosceles triangles have congruent base angles, so base angle A and B should both be the same number. (25)

Added up, 25+25+130 is 180 degrees.

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The sum of two numbers is 134. If three times the smaller number is subtracted from the larger number, the result is 18. Find th

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Let, larger number be x and smaller number be y.

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$x+y=134\ldots\ldots\text{.}(1)$

Condition 2: If three times the smaller number is subtracted from the larger number, the result is 18.

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$x-3y=18\ldots\ldots\ldots\text{.}\mathrm{}(2)$

Solving equation 1 and 2,

$\begin{gathered} \text{subtract equation (2) from (1),} \\ x+y-(x-3y)=134-18 \\ x+y-x+3y=116 \\ 4y=116 \\ y=29 \end{gathered}$

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Answer:

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