Answer:
23 and 31 are the numbers you are searching for.
Step-by-step explanation:
23 + 31 = 54
31 - 23 = 8
Have a nice day!
Answer:
Step-by-step explanation:
-7x = x² + 12
Set equation to zero:
x² + 7x + 12 = 0
Quadratic formula:
x = [-7±√(7²-4·1·12)]/[2·1]
= [-7±√1]/2
= -3,-4
The zeros are -3 and -4
Answer:
There is a 90% decrease
Step-by-step explanation:
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The relative frequency for middle school students whose favourite sport is baseball is 27%.
The relative frequency for middle school students whose favorite sport is basketball is 31%.
The relative frequency for middle school students whose favorite sport is football is 42%.
The relative frequency for high school students whose favorite sport is baseball is 44%.
The relative frequency for high school students whose favorite sport is basketball is 31%
The relative frequency for high school students whose favorite sport is football is 25%
<h3>What is relative frequency?</h3>
Relative frequency measures how often a value appears relative to the sum of the total values.
The relative frequency for middle school students whose favourite sport is baseball = 13/48 = 27%
The relative frequency for middle school students whose favorite sport is basketball = 15 / 48 = 31%
The relative frequency for middle school students whose favorite sport is football = 20 / 48 = 42%
The relative frequency for high school students whose favorite sport is baseball = 23 / 52 = 44%
The relative frequency for high school students whose favorite sport is basketball = 16 / 52 = 31%
The relative frequency for high school students whose favorite sport is football = 13 / 52 = 25%
To learn more about relative frequency, please check: brainly.com/question/14610326
Answer:
Option A
Step-by-step explanation:
Let us take this number as x, translating this description of the equation into mathematical language;
Now let us solve for x;
