From all those aforementioned, the true statement is: Thanh’s grade is 2.5 standard deviations below the mean of the test grades.
Answer:
= b
or
7
= b
(they are the same value, just different ways of writing it)
Step-by-step explanation:
4 = -
(5) + b
simplify
4 = -
+ b
now use inverse operations
4 = - + b
+ +
= b
If your question is what the value of the number you started with the answer would be 30. to find it you add 48 to -18 and you get 30.
Answer:
x=2
Step-by-step explanation:
28−(3x+4)=2(x+6)+x
We need to use the distributive property for the right side.
28−3x−4=(2)(x)+(2)(6)+x)
28−3x−4=2x+2+x
−3x+24=3x+12
From here we need to subtract 3x from both side.
−3x+24−3x=3x+12−3x
6x+24=12
Transfer +24 on the right side.
6x=12−24
6x=−12
Finally, divide both sides by −6
6x/-6 = -12/-6
x=2
