Answer:
What is the value of x + z? ... length of line segment IK? a. 4 units b. 42 units c. 82 units d.
Step-by-step explanation:
-1 in decimal form is -1.0, just as 5 in decimal form, for example, is 5.0. Just copy the negative sign.
Answer:
The scale factor is 1/2
Step-by-step explanation:
The coordinates of Point G are (4,6) and the coordinates of Point G' are (2,3). To get from 4 to 2 and 6 to 3, you have to multiply by 1/2. Therefore, the scale factor is 1/2.
Answer:
51.72 cm.
Step-by-step explanation:
We have been given that a pipe that is open at both ends has a fundamental frequency of 320 Hz when the speed of sound in air is 331 m/s. We are asked to find the length of the pipe.
First of all, we will find the wavelength using following formula.


We know that Hz is equal to
.




Length of the pipe would be half of the wave-length.

Since the length of pipe is in meters, so we will convert it into cm.
1 m = 100 cm

Therefore, the length of the pipe would be 51.72 cm.