Answer:

Step-by-step explanation:




Answer:
90
Step-by-step explanation:
on multiplication.
Answer:
0 because it has no value.
Step-by-step explanation:
Since triangle ADE is similar to triangle ABC and the scale factor is 2, the following relation must be fulfilled:

The, by substituting the given information, we have

By multiplying both sides by x+2, we get

which gives

Then, by subtracting 4x to both sides, we have

and by adding 8 to both sides, we obtain

then, x is given by

Then, by substitutn
Answer:
y=5cosx
Step-by-step explanation:just took the test.