A triangle has angles that add up to 180 degrees.
4x - 13 + 15 + x + 18 = 180....combine like terms
5x + 20 = 180
5x = 180 - 20
5x = 160
x = 160/5
x = 32
< A = 4x - 13
< A = 4(32) - 13
< A = 115
< C = x + 18
< C = 32 + 18
< C = 50
The answer to 29×97 would be 2813
Answer: 11 units and 23 units
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given
Required
Determine the standard deviation
Standard Deviation (SD) is calculated as:
Substitute values for n and p
Convert percentage to decimals
<em></em><em> approximated</em>