Twice Henry's earnings increased by 10 is $253. Therefore, Henry earned $____
1 answer:
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The approximate solution to the given equation is x ≅ 148.4. The correct option is C. x ≈ 148.4
<h3>Solving equations</h3>From the question, we are to determine the approximate solution to the given equation,
The given equation is
First, add 8 to both sides
Now, divide both sides by 4
Take the exponents of both sides
x = 148.413
x ≅ 148.4
Hence, the approximate solution to the given equation is x ≅ 148.4. The correct option is C. x ≈ 148.4
Learn more on Solving equations here: brainly.com/question/26831160
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Answer:
Her average speed is 48 miles per hour.
Step-by-step explanation:
We solve this question using a system of equations.
The speed equation is:
In which s is the speed, d is the distance, and t is the time.
Gabriella drives her car 320 miles and averages a certain speed.
So
Then
If the average speed has been 6 miles less she could have traveled only 280 miles in the same length of time.
So, which s - 6, d = 280.
From the first equation:
Replacing:
Her average speed is 48 miles per hour.