Answer:
a. 3.16
Step-by-step explanation:
√(x2 - x1)² + (y2 - y1)²
√[-9 - (-8)]² + (0 - 3)²
√(-1)² + (-3)²
√(1) + (9)
√(10)
= 3.16
A right triangle does have perpendicular line because they can cross if the lines go on forever
A quadilateral is a 4 sided shape so if you talking about the square or a rectangle or a parralelogram no it does not have perpendicular sides BUT if you are talking about a trapezoid it does have pependicular side
HOPE THIS HELPS!!!!!!! ;-)
PLZ MARK ME AS BRAINLIEST!!!
Answer:
B. 45 tens + 623thousandths
Formula: Δ L = 10 × log n.
<span>Δ L = level difference. </span>
<span>n = number of equal loud sound sources. </span>
n = 5
10 × log10 5 = +<span>6.9897</span><span> dB compared to the case that only one source is available. </span>
