Answer:
The correct options are 1, 2, 4 and 6.
Step-by-step explanation:
The given expression is
To subtract like term subtract like terms, subtract the coefficients, not the variables.
Therefore option 1 is correct.
Like terms are terms that contain the same variable, raised to the same power. For example: 3xy and 5xy, 4x² and 3x².
Therefore, option 2 is correct.
Using distributive property we get
Only combine terms which contain the same variable.
Therefore option 4 is correct.
The simplified expression is -4x-3y+3z. Therefore option 6 is correct.
Answer:
8
Step-by-step explanation:
Let us assume ,
n number of pieces can be obtained.
Each piece is of 7/8 inches
and the total length is 7 inches.
So, we get
multiplying by 8
7n=56
dividing by 7
=8
Answer: 232x
Step-by-step explanation: (8x)(33+2)
=(8x)(33)+(8x)(2)
=216x+16x
=232x
Since E is the midpoint, DE and EF are the same length.
Set the equation DE and EF equal to each other and solve for x.
2x + 4 = 3x - 1
x = 5
Then plug in 5 to find the length.
DE = 2(5) + 4 = 14
EF = 3(5) - 1 = 14
DF = DE + EF = 28
Answer: He would have to write 17.14 pages per day in order to finish in one week.
Step-by-step explanation: 360-240=120, 120 divided By 7 is 17.1428571429 which roundes to 17.14.
