I think that this is what your teacher is trying to ask.
How does the greenhouse effect keep the Earth warm? The atmosphere
2 answers:
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I think that this is what your teacher is trying to ask.
1)
3)
notice the rate "r"... now, is in decimal format, as you saw on 1) is just r/100 so 1.6% was really 1.6/100 or 0.016 anyhow
to get the percentage form, just multiply it by 100
3)
notice the rate "r"... now, is in decimal format, as you saw on 1) is just r/100 so 1.6% was really 1.6/100 or 0.016 anyhow
to get the percentage form, just multiply it by 100
Answer:
Step-by-step explanation:
The tangent segment is perpendicular to the diameter, so the triangle is a right triangle (not just based on its appearance). A property of circles is: a tangent is perpendicular to the radius drawn to the point of tangency.
In the right triangle, one leg has length 12.6, and the hypotenuse has length 21.
Apply the Pythagorean Theorem: (leg)^2 + (leg)^2 = (hypotenuse)^2
Oh, and the diameter has length 2x!
Answer:
Step-by-step explanation:
You need to use the following formula:
Where "r" is the radius and is is the central angle of the arc in radians.
Assuming that that the angle is the central angle of the arc, and knowing that the radius is 7 centimeters, you can substitute values into the formula.
Therefore, you get: