What is the measure of x? Help me on this Geometry question.
2 answers:
Answer:
Step-by-step explanation:
We have been given an image of two parallel lines cut by a transversal. We are asked to find the measure of x.
We know that corresponding angles of two parallel lines are equal. We can see that angle BCA and angle DAF are corresponding angles.
Let us find measure of angle BCA using angle sum property.
Therefore, the value of x is 21 degrees.
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Answer:
0.4%
Step-by-step explanation:
We have two independent events
- The athlete who is being tested for drugs actually is using steroids.
- The test went wrong indicating a false result.
The probability of 1) to happen is 0.04 because "4% of all registered athletes use steroids".
The probability of 2) ti happen is 0.1 because "The imperfect test gives positive results (indicating drug use) for 90% of all steroid-users"
Then the probability of 1) and 2) to happen is given by
=0.4%
Answer with positive exponent = or
Answer with negative exponent =
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Explanation:
The rule we use is
If we multiply two exponential expressions with the same base, then we add the exponents.
The base for each is 5. The exponents 4 and -7 add to -3.
This means
To convert to a positive exponent, we apply the reciprocal to the base. We go from 5, aka 5/1, to 1/5.
So,