Answer:
x = ±6
Step-by-step explanation:
6x² - 216 = 0
( Add 216 to both sides )
6x² = 216
( Divide both sides by 6 to isolate x² )
x² = 36
( Square root both sides to isolate x )
x = ±6
Let's consider that 23.5 is 100% of rainfall.
23.5 ..... 100 %
21.2 ..... x %
Calculate x:
, which is around 90.2%.
The percent of decrease is 100 - 90.2 = 9.8 %.
#1: 15%
#2: 1/10 = 10%
There are 6 girls who have blonde hair out of 40 students; 6/40 = 15%.
There are 4 boys that have black hair out of 40 students; 4/40 = 1/10 = 10%.
Answer:
The answer is 172.7 centimeters.
Step-by-step explanation:
1.) There are 12 inches in a foot. Multiply 5 feet by 12 inches, the answer would be 60 inches.
2.) Add the additional 8 inches to the 60 to get 68 inches total.
3.) Multiply 68 inches by 2.54 centimeters, the answer is 172.72 centimeters.
4.) Round off your answer to the tenths decimal place to get 172.7 centimeters total.
Answer:
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