A triangle has interior angle measurements of 5s, 3s - 9 degrees, and 45 degrees. What is the value of s?

s = 18

Step-by-step explanation:

A triangle's interior angles must all add up to 180 degrees.

Since you know 1 angle is 45 degrees, then the last 2 angles must equal 135 degrees.

Write the equation based on the you were told about the other 2 angles:

5s +  ( 3s - 9) = 135

Solve for s:

5s + 3s - 9 = 135

Add the like variables and add 9 to both sides of the equation.

8s = 144

Divide both sides by 8

s = 18

Angle 1 = 5s = 5 x 18 = 90

Angle 2 = 3s - 9 = 3(18) - 9 = 54 - 9 = 45

answer: a. 13/44

step-by-step explanation: judging by the information given to us, we are looking for experimental probability. we can see that 13 males have chosen chocolate ice cream. there are 44 ice creams in total (remember that the total is always the denominator). so our answer is 13/44.

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step-by-step explanation: