Sin 21 = x/30
x = 30sin21 = 10.75 = 10.8 (to nearest tenth)
<span>It's 628 feet.
She rode the circumference of a circle.
Formula is (2xR)x3.14 (pi)
2 x R = 200
200 x 3.14 = 628</span><span>
</span>
Answer:
c = 55 . . . . (no units for cost are given in your problem statement)
Step-by-step explanation:
"t is the number of tickets" and "Marci bought 20 tickets", so we conclude t=20. Putting that value into the equation and doing the arithmetic, we find ...
c = 2.75·20 = 55
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We don't know if this is pennies or pounds, dollars or rupees or pesos or euros. No monetary units are mentioned in the problem statement given here.
When I tried it, None of the answers offered are correct. The solutions is where the line/parabola intersect. Tell me if I did anything wrong. https://www.desmos.com/calculator/fpz7tjaugu
Answer:

Step-by-step explanation:
This parallelogram contains a right angle. This tells us that the parallelogram is a rectangle.
The diagonals in a parralelogram bisect each other.
The diagonals in a rectangle are congruent.

