Answer: There are many uses for the variable* y in math: it is often used as a variable and the y axis of a coordinate plane (the line that is vertical.)
* = Variable: any unknown number in algebra, is usually replaced with letters, such as x or y.
The answer to #9 is 31.4 days
Answer:
x = 195.8
Step-by-step explanation:
x/8.9 = 22
multiply by 8.9 to remove the fraction
Answer:
9929x9829-kk>/1.79<efk+11x3.145936982
Step-by-step explanation:
its not refghj
Answer:
25 percent
Step-by-step explanation:
Let the number of girls be x. Then the number of boys is 3*x = 3x.
the total number of students , i.e. 100 percent the number of students is therefore x + 3x = 4x.
so we have
4x = 100 percent
x = 100/4 percent
= 25 percent
therefore, the percentage of girls is 25
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