3 years ago

What are some strategies to determine if a expression is equivalent

Mathematics

1 answer:

Darina [25.2K]3 years ago

4 0

Answer:

combine any like terms on each side of the equation

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What is 0.473 rounded to the nearest tenth

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3 years ago

Write the phrase as an expression. Then evaluate when y = 20

Alexxandr [17]

Answer:

$\frac{y}{4}-3$

When $y = 20$ , the value of the expression is $2$

Step-by-step explanation:

By definition, when you divide two numbers, the result is known as the "Quotient":

$\frac{a}{b}=c$

Notice that "c" is the quotient of "a" and "b".

Therefore, the expression for "the quotient of a number $y$ and 4" is:

$\frac{y}{4}$

Now, "3 less than the quotient of a number $y$ and 4" indicates that you must subtract 3 from $\frac{y}{4}$ ; so you can conclude that the expression is:

$\frac{y}{4}-3$

Substitute $y = 20$ into the expresion:

$\frac{20}{4}-3$

Evaluating, you get that the value of the expression when $y = 20$ is: $=5-3=2$

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3 years ago