Answer:
sin 77°
cos 49°
tan 22°
Step-by-step explanation:
use your calculator with trig functions to find the arcsin, arccos, and arctan
Answer:
f(-4)= -55
Step-by-step explanation:
We want to find f(x), or y, when x is equal to -4.
Therefore, we can substitute -4 in for x in the function.
f(x) = -2x^2 + 4x - 7
Substitute -4 in for x
f(-4) = -2(-4^2) + 4(-4) - 7
Evaluate the exponent
f(-4)=-2(16)+4(-4)-7
Multiply -2 and 16
f(-4)= -32+4(-4)-7
Multiply 4 and -4
f(-4)=-32-16-7
Subtract
f(-4)=-55
.75 is farthest because 2/3 is .66 (infinitely) and .25 is smaller than both
The entire square of your yard is equal to 16*14
16*14=224 square feet
you have to find the area of the fountain and subtract it from the total yard to get just the area with grass
pi*2^2
pi*4=12.57 feet squared
224-12.57= C. 211.43 feet squared of grassy area
First I would convert 20 and 12 to millimeters which would be 20= 200mm 12= 120mm. You would then find the area if the grid which would be 200•120=
