give 2 examples that show how using parentheses can change the order in which operations are performed in an expression
Answers
Kate had a test and one of the questions were 8 dived by 2 +( 6+7)+3. She answered by saying it was 13.625 . When the teacher graded it she marked it wrong then handed it to Kate saw that it was wrong. She wondered why so she asked the teacher and said why she got it wrong and explained that the parenthesis are show that you need to solve the number in it first before you do anything else. Then Kate tried to solve it again and got 20.
Hope this helps and sorry it took me long to reply
Related Questions
In the Diagram Lines M And N are Parallel M < 2 = 150 degress, Find the Measure of the following angles <4=? <6=?
What is the volume of a soccer ball that has a diameter of 12 inches
sketch the graph of each line.y=x-3
What is the value of 7 in 1.207
Answers
Expanded Numbers Form:
200
+ 0
+ 4
+ 0.0
+ 0.03
+ 0.002
Expanded Factors Form:
2 × 100
+ 0 × 10
+ 4 × 1
+ 0 × 0.1
+ 3 × 0.01
+ 2 × 0.001
Expanded Exponential Form:
2 × 102
+ 0 × 101
+ 4 × 100
+ 0 × 10-1
+ 3 × 10-2
+ 2 × 10-3
(200.000X1)+(4.000X1
(30X1)+(2X1)
{y+7=3x
6x−2y=12
(14, 12)
(12, 14)
There is no solution.
There are an infinite number of solutions.
Answers
Answer:
Choice C) no solutions
=============================
Work Shown:
y+7 = 3x turns into y = 3x-7 after we subtract 7 from both sides
Plug that into the other equation and solve for x
------
6x - 2y = 12
6x - 2( y ) = 12
6x - 2( 3x-7 ) = 12 ... y replaced with 3x-7
6x - 2(3x) - 2(-7) = 12
6x - 6x + 14 = 12
0x + 14 = 12
0 + 14 = 12
14 = 12 ... this is a contradiction, aka false statement
------
No matter what x value we pick, the equation above will always be false.
Therefore, there are no solutions
We say that this system of equations is inconsistent.
Graphing both equations leads to two parallel lines. A solution only happens if the lines cross, but parallel lines never intersect.
Answers
Answer:
prety sure its 2,3,4,1
Step-by-step explanation:
Answers
–12.3, –12, –0.01, 12.38, 102
–12, –12.3, –0.01, 12.38, 102
102, 12.38, –0.01, –12, –12.3
Answers
the second one. -12.3, -12, -0.01, 12.38, 102