He didn’t follow PEMDAS which is the an acronym for the order of operations. according to pemdas the first step is parenthesis (which is the p in pemdas) there fore the first step is to add the 1 and the 2
then since there are no exponents you multiply so you multiple 5(3) which is 15
then you can add all the number left to right
so 15+2+3= 20
so the answer is 20
hope this helped
let me know if you have any questions
Answer: The answer is top left the one highlighted orange
Step-by-step explanation:
A scalene triangle is a triangle with no equal sides so there for Thats how you know its scalene, equilateral is all equal sides and isosceles is with two equal sides but one not equal.
<h3><em><A = <B ( alt. interior angle )</em></h3><h3><em>8x - 10 = 3x + 90 </em></h3><h3><em>8x - 3x = 90 + 10 </em></h3><h3><em>5x = 100</em></h3><h3><em>x = 100/5</em></h3><h3><em>x = 20 </em></h3><h3><em><B = 3x + 90</em></h3><h3><em><B = 3 x 20 + 90</em></h3><h3><em><B = 150</em></h3><h3><em>HOPE IT HELPS !!!!</em></h3>
You need to show more numbers after the decimal. Your number stops at the thousandths.