Answer:
13
Step-by-step explanation:
9 + 1` = 10
23 - 10 = 13
Answer:
x= 8
Below is the diagram.
Step-by-step explanation:
Given,

Such that,

Thus, substituting their values.

Therefore on simplifying we get x= 8
Answer:

Step-by-step explanation:
Given,
Area of a triangle = 78 square inches
Base of a triangle = 13 inches
Height of a triangle = ?
<u>Finding</u><u> </u><u>the</u><u> </u><u>height</u><u> </u><u>of</u><u> </u><u>a</u><u> </u><u>triangle</u>






Hope I helped!
Best regards! :D
We are asked to find ratio of two relative intensities. Let's start by rearranging formula for R:

For air-raid siren we have:

For jet engine noise we have:

To find out <span>many times greater is the relative intensity of the air-raid siren than that of the jet engine noise we need to divide these two numbers:
</span>tex] \frac{R_{1}}{R_{2}} = \frac{10^{15}}{10^{12}} =10^{3}=1000[/tex]
Answer:4 pens for 56
Step-by-step explanation: