The answer and explanation is given in the picture below
I hope it helps.
Your round-trip drive to work is 4 3/10 miles. how many miles do you drive to and from work in 3 days?
2 answers:
Answer:
miles
Step-by-step explanation:
In 1 day, you drive miles <em>[round trip, to and from]</em>
So, in 3 days, you will drive miles <em>[to and from]</em>
Changing into improper fraction <em>[for ease of multiplication] </em>and multiplying by 3 gives us our answer:
So, in total miles are driven in 3 days
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Answer:
y = - 3x - 3
Step-by-step explanation:
the equation of a linear function in slope- intercept form is
y = mx + b ( m is the slope and b the y- intercept )
To calculate m use the slope formula
m = (y₂ - y₁ ) / ( x₂ - x₁ )
with (x₁, y₁ ) = (- 2, 3) and (x₂, y₂ ) = (6, -21) ← 2 points from the table
m = =
= - 3
y = - 3x + b ← is the partial equation
To find b substitute any other point from the table into the partial equation
using (2, - 9), then
- 9 = - 6 + b ⇒ b = - 9 + 6 = - 3
y = - 3x - 3 ← linear relationship