Answer:
x = 5, -1
Step-by-step explanation:
0 = 3x^2 - 12x - 15 or
3x^2 - 12x - 15 = 0
By solving for x, use the Quadratic Formula.
… x = 5 and/or -1
Answer:
False
Step-by-step explanation:
If two circle are congruent, the two circles will have same radius.
As inner circle radius is smaller than outer circle radius.
These two circle have same center. They are called concentric circles
Answer:
One
Step-by-step explanation:
<em>Testing only one variable at a time lets you analyze the results of your experiment to see how much a single change affected the result. If you're testing two variables at a time, you won't be able to tell which variable was responsible for the result.</em>
<em>Hope this helps,</em>
<em>:)</em>
<em></em>
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Answer:
A. he should subtract 1 1\2 instead of adding it
B. he should subtract 1 1\2 instead
C. the answer should be 3 3\22 instead of 6 3\22
Step-by-step explanation:
so to solve for 3 3\22:
4 7\11 - 1 1\2
4 14\22 - 1 11\22
= 3 3\22
