Answer:
6.28km
Step-by-step explanation:
Hey,
We know that the circumfrence is the perimetert of a full circle. If we want to find the perimeter of a semicircle all we have to do is find the circumfrence and then divide it by 2 since we want to know the perimeter of half the circle.
Circumfrence is equal to 2πr. Where r is the radius and since we know the radius we an solve for the circumfrence.
2(π)(1km)=2kmπ.
The problem tells us to use 3.14 for pi so let's multiply 2 by 3.14.
6.28km is the answer!
Answer:
Since the kite is flying, the hypotenuse side of the triangle is 32.4m, while the adjacent side is unknown.
Given the opposite and hypotenuse, we use sine to find the angle.
θ= 34.4° (1 d.p.)
Thus, the angle the kite string makes with the ground is 34.4°.
Notes:
Answer:
Step-by-step explanation:
Since we know the slope and a point, we can use the point-slope form.
The point-slope form is:
Substitute 8 for m, and let (-4,-3) be x₁ and y₁, respectively. Thus:
Simplify:
Distribute:
Subtract 3 from both sides:
And we're done!
Answer:
Range : [-6, ∞)
Step-by-step explanation:
Domain of any function on a graph is represented by the x-values (input values).
Similarly, Range of function is represented by the y-values or output values of the function on a graph.
Therefore, domain of the given absolute function will be (-∞, ∞) Or set of all real numbers.
Range of the function → [-6, ∞) Or {y | y ≥ -6}
Answer:
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