An expression for the distance Scott threw the javelin is, x = 3y
For given question,
Let x be the distance for Scott threw the javelin and y be the distance for Daniel threw the javelin.
We have been given a statement 'Scott threw the javelin 3 times farther than Daniel threw the javelin.'
We need to write given statement as a mathematical expression.
First we rewrite given statement as,
Scott threw the javelin 3 times farther than Daniel threw the javelin.
the distance Scott threw the javelin is 3 times the distance Daniel threw the javelin
⇒ x = 3 × y
Therefore, an expression for the distance Scott threw the javelin is,
x = 3y
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For the bubble numbers put the second box in there, and for the chart put the first box.
The decimal number 0.4 is equivalent to 4/10 in fraction form. This fraction can be reduced to its simplest form by dividing both the numerator and the denominator by their greatest common factor (GCF). The GCF of four and 10 is two. Therefore, 0.4 is equal to 2/5.
Answer:
x = 1, y = 4
Step-by-step explanation:
This is very simple
Since you have 2 equations with the same coefficient of x, just minus one equation from another:
x + 3y = 13
-
x + 2y = 9
1y = 4
Sub y = 4 into any of the 2 equation,
x + 3(4) = 13
x + 12 = 13
x = 13 - 12
= 1
