Answer:
The value of the expression is 400
Answer:
3
Step-by-step explanation:
ANSWER
56.1 square inches.
EXPLANATION
The area of this triangle can be calculated using the formula,

where a=8in.
b=14.2 in.
and C=99° is the included angle.
We plug in these values to obtain,


We round to the nearest tenth to get,
56.1 sq. inch
Answer:
Midpoint = ( (x1+x2)/2 , (y1+y2)/2 )
Step-by-step explanation:
Please upload the line segment otherwise, you can use the equation above to solve for it.
Answer:
-81
Step-by-step explanation:
-6(2x² + 5x) - 9
substitute -4 for 'x'
-6[2(-4)² + 5(-4)] - 9
-6[2(16) + (-20) - 9]
-6(32 - 20) - 9
-6(12) - 9
-72 - 9 = -81