It’s a tricky one but first ask yourself why you decided to ask this question. Was it the fact you didn’t want to do it or the face you didn’t know it and wanted to learn. The earth is full of possibilities and what if’s. When you find your true self then the world will make sense
Yes, parentheses can change the order in which operations are performed in an expression.
Let us understand this with two examples.
First example.
Let us suppose we have to simplify the expression
In this expression we have evaluated subtraction first instead of multiply.
Second example.
Let us suppose we have to simplify the expression
In this expression we have evaluated multiplication first and then subtraction.
Therefore, from above two examples we can see that parentheses can change the order in which operations are performed in an expression.
Answer:
A. All real numbers are rational numbers
Good luck!
Answer:$18.75
Step-by-step explanation: first multiply 8 times 1.25 then multiply 5 times 1.75 then add both of your numbers and put the decimal point back
Answer:
25°
Step-by-step explanation:
the sum of angles in a Δ = 180°
the largest angle = 100°
the second largest angle = x + 30
the third angle = x
100 + (x +30) + x = 180
100 + x + 30 + x = 180
130 + 2x = 180
2x = 180 - 130
2x = 50
x = 50/2 = 25°
the largest angle = 100°
the second largest angle = x + 30 = 25 + 30 = 55°
the third angle = x = 25°
100° + 55° + 25° = 180°
