Which of the following expressions could be used to represent "the difference between -17 and -8"?
2 answers:
Answer:
-17 - (-8)
Option 3 is correct.
Step-by-step explanation:
Phrase: "the difference between -17 and -8"
Expression: To write the phrase into algebraic form with a variable or constant.
Difference: write two number using subtraction between them.
"the difference between -17 and -8"
First number is -17 and second number is -8
Expression: -17 difference -8
Now using minus sign write as expression.
Hence, The correct expression is -17-(-8)
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Answer:
A) y will increase by 4 unit.
B) y will decrease by 20 units
Step-by-step explanation:
Given equation that shows relation between x and y.
A) If x is increased by 4 units
New value of y =
So, change in y = new value of y- original value of y
Thus, the value of y will be increased by 4 units.
B) If x is decreased by 5 units
New value of y =
So, change in y = new value of y- original value of y
= -20
Thus, the value of y will be decreased by 20 units.