You just need to put words into an equation.
4xy-2xy
Then simplify it to get 2xy
Answer:
4
Step-by-step explanation:
because y is 90 and x is 20 so z is 71
Answer: 7
Step-by-step explanation:
3n=21
n=7
21²+28²=c²
√1225=c
35 miles - distance of the boat to its starting point
Answer:
Step-by-step explanation:
The max value of the sine function is 1.
If we multiply it by 2, we get 2 sin x, whose max. value is 2.
If we multiply the sine function by -2, the max value of this functin is still 2.