Help help help help!!!!!
1 answer:
Answer:
9 1/3
Step-by-step explanation:
As you may know, when you divide a positive number by a negative number, the quotient (result of the division) is negative.
Knowing this, all you have to do is divide the numbers normally as positive numbers and then add a negative sign at the end.
To divide fractions, you change the sign to multiplication and multiply the first number by the reciprocal of the second number.
The reciprocal is just the "flipped" version of a fraction.
For example, the reciprocal of 3/4 would be 4/3.
In this problem, you can't reduce.
So, just multiply the top numbers and do the same with the bottom numbers.
That would be .
35*4=140 and 5*3=15.
The fraction would be 140/15
You can divide 140 by 15, which would be 9 and 1/3
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Answer:
OD = 9.375"
Step-by-step explanation:
We can draw a line from O to B to create a triangle.
Then, Triangle ODB and Triangle ACB are similar, so their corresponding side's ratio are similar as well.
Triangle ACB, we can use pythagorean theorem to figure out CB:
AC^2 + CB^2 = AB^2
15^2 + CB^2 = 17^2
225 + CB^2 = 289
CB^2 = 64
CB = 8
Now relating the corresponding sides, we can figure out OD: