A - area of a trapezoid;
a, b - two bases.
A = h * ( a + b ) / 2 / * 2 ( we have to multiply both sides by 2 )
2 A = h *( a + b )
2 A = h a + h b
h b = 2 A - h a
b = ( 2 A - h a ) / h
b = 2 A/h - a
Answer: D )

5 0

3 years ago

HELP ME PLZ!!!!! Identify the domain of the graph of y = −x2 − 6x − 13. (1 point) All real numbers x ≤ −4 x ≥ −6 x ≥ −2

vlada-n [284]

Answer:

Step-by-step explanation:

All real numbers because x can assume every possible value

5 0

2 years ago

Read 2 more answers

Substitute a = 4, b = 1 and c = 5 into the expressions:<br> a + b - c

Soloha48 [4]

Answer:

a+b-c

4+1-5

5-5=0

THE ANSWER IS 0

3 0

2 years ago