NASCAR fans love race day when they get a chance to cheer on their favorite team If a driver was able to travel 600 miles and 3
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To solve this you first need to turn your mixed numbers into improper fractions. to do this for you multiply the denominator (5) by the whole number (9) to get 45 and then add that to the numerator (4) to get your new fraction
.
You repeat this process with to get
.
Now that you have two fractions you can multiply by the opposite reciprocal. To do this you flip the second fraction and change the division sign to a multiplication sign like so
Then, you just multiply the fractions by multiplying the numerators to get 98 and multiplying the denominators to get 35.
Now, to simplify you first divide both the numerator and denominator by 7 to get
.
Finally, you can take 10 out of the numerator to make
Much as you would like it to be D, it isn't. D has its center at (3,4). You must change the sign on both numbers inside the brackets.
You need something that looks like (x + 3)^2 + (y + 4)^2. So it could be A or B. How do you know which? The graph should give you an answer, then we'll talk about it. The red circle is A the blue circle is B. Which one is correct?
The answer to that is that the center is 5 units away from the origin. The radius of this circle is the sqrt(25) = 5 units away from the center. The blue one has a radius of sqrt(5) which is something over 2. It is not enough. So what's the answer?
