Answer:
5(2x-7)
Step-by-step explanation:
Answer:
9
Step-by-step explanation:
To calculate c from the first right angle triangle,
C2 = 36 + 16
C = sqrt(52)
To calculate a from the bigger right angle triangle,
B2 + 52 = (a + 4)2
B2 - a2 = -36 + 8a
A2 + 36 = B2
Solving both by elimination,
A = 72/8
=9
Answer:
y = 1
Step-by-step explanation:
Find the slope of the line passing through the points
and 

The slope of the line is equal to

then

Translate this statement into an equation.
16 cm = (1/4)d + 2.5 cm
64 cm = d + 10
54 cm = d (answer)