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the interior angles of a triangle have measured (2x-5)° ,(4x-1)° , and 30°
what is the value of x
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x =

x=26

Step-by-step explanation:

The sum of the angles of a triangle add to 180 degrees

(2x-5)° +(4x-1)° + 30° = 180

Combine like terms

6x +24 =180

Subtract 24 from each side

6x+24-24 =180-24

6x = 156

Divide by 6

6x/6 =156/6

x =26

answer: for each 3 girls there is 2 boys . 3: 2

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x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x

step-by-step explanation:

last month maria hiked the 5-mile mountain trail a number of times and she hiked the 10-mile canal trail several times. let x represent the number of times she hiked the 5-mile trail, and let y represent the number of times she hiked the 10-mile trail. if she hiked a total of 90 miles, which equation can be used to find the number of times maria hiked each trail? x + y = 90 5x – 10y = 90 90 – 10y = 5x 90 + 10y = 5x