Which of the following would be equivalent to 92 ⋅ 96?
2 answers:
Answer:
The given decimal expression is 92.96.
Two Numerical expression is said to be equivalent, if numerical value of the expression after altering the expression or after writing in another way, the two numerical value of two expression are same.
Expressions equivalent to 92.96 are
There are many more you can write.
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Answer:
Gina is 12 years old
Step-by-step explanation:
First, we will have to write these statements mathematically and then solve.
Let Gina's age be x, let Gina's brother's age be y and let Gina's sister's age be z.
The second statement"Gina's older sister is twice Gina's age" can be mathematically written as: z =2 x ---------------------------(1)
The next statement "Gina's brother is half Gina's age" can be mathematically written as y = ---------------------------------------(2)
Then the next statement "the sum of their ages is 42" can be mathematically written as: x + y + z = 42 ----------------------------(3)
We can now proceed to solve;
Substitute equation (1) and equation(2) into equation (3)
x + y + z = 42
x + + 2x = 42
Multiply through by 2
2x + x + 4x = 84
7x = 84
Divide both-side of the equation by 7
=
x = 12
Therefore, Gina is 12 years old
Answer:
Step-by-step explanation:
Let
y ----> the distance in miles
x ----> the time in hours
using proportion
Simplify
This is a linear direct variation
The unit rate or speed is the slope of the linear equation
The unit rate is 4 miles/hour