Four students had the following amounts of money in their pockets: $3.14, $.67, $2.45, and $1.14. How much money did they have t
2 answers:
Answer:
Option A is correct.
They have total money = $7.40
Step-by-step explanation:
Given the statement: Four students had the following amounts of money in their pockets: $3.14, $.67, $2.45, and $1.14.
To find how much money did they have total.
An action or process of adding something to something else, the process of calculating the total of two or more numbers or amount of money.
Total amount of money four students have in their pocket =
Therefore, $7.40 money did they have total.
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Answer:
(C) 18
Step-by-step explanation:
We can create a systems of equations. Assuming is Michelle's age,
is Joan's age, and
is Ryan's age, the equations are:
We can use substitution, since we know the "values" of m and j.
So we know that Joan is 18 years old.
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Answer:
The rule or formula for the transformation of reflection across the line l with equation y = -x will be:
P(x, y) ⇒ P'(-y, -x)
Step-by-step explanation:
Considering the point
If we reflect a point across the line
with equation
, the coordinates of the point P flips their places and the sign of the coordinates reverses.
Thus, the rule or formula for the transformation of reflection across the line l with equation y = -x will be:
P(x, y) ⇒ P'(-y, -x)
For example, if we reflect a point, let suppose A(1, 3), across the line with equation
, the coordinates of point A flips their places and the sign of the coordinates reverses.
Hence,
A(1, 3) ⇒ A'(-3, -1)