Answer:
Step-by-step explanation:
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vanessa drew a figure and said that it had an infinite number of lines of symmetry. what figure did she draw?
2 answers:
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Answer:
60 miles
Step-by-step explanation:
let d = distance to the lake
Using: time = distance ÷ speed
Create expressions for the time it takes for each journey:
Drive:
Walk:
If total time = 17 hours
Therefore she walked 60 miles
The absolute value returns the "positive version" of a number.
In other words, if the number is positive, it remains positive; if the number is negative, it changes sign.
So, if we want , we want the "positive version" of x to be 9.
This can happen in two ways: if x is already 9, then its absolute value is still nine. If instead x=-9, its positive value will be 9 again.
In formula, we have
because