first one: Juan plans to mix blue paint and red paint to create purple paint. The ratio of the number of gallons of blue paint t
o the number of gallons of red paint is 1:3 Complete the table to show how many gallons of red paint Juan needs for the given number of gallons of blue paint.
1 answer:
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The area of a triangle is half the product of the base and the height.
Since multiplication is commutative, the following expressions are equivalent:
So, option D is correct
This problem is better understood with a given figure. Assuming that the flight is in a perfect northwest direction such that the angle is 45°, therefore I believe I have the correct figure to simulate the situation (see attached).
Now we are asked to find for the value of the hypotenuse (flight speed) given the angle and the side opposite to the angle. In this case, we use the sin function:
sin θ = opposite side / hypotenuse
sin 45 = 68 miles per hr / flight
flight = 68 miles per hr / sin 45
<span>flight = 96.17 miles per hr</span>
