Answer:
3+18=21
Step-by-step explanation:
first see the second number
let us assume as x & y
3+ (3×6)= 21
3+18=21
Answer:
i think answer is option a.
Step-by-step explanation:
after we get the simplest form, we find that only the first two options are applicable. then we conclude x can be equal to five, so we can eliminate the second option. therefore the first option, option a., is the right answer.
Answer:
straight line
Step-by-step explanation:
because of y=mx+c
The answer would be 2.
The difference means you subtract the two numbers.
Absolute value makes the numbers within into a positive number.
The equation would be 8-6=2
Answer:
15x+9y= 360----------1
x+y= 30--------------2
Step-by-step explanation:
Step one:
given data
let adult be x
and child be y
A hairstylist charges $15 for an adult haircut and $9 for a child haircut
She wants to earn $360 dollars
15x+9y= 360----------1
and cut 30 haircuts this week
x+y= 30--------------2
Step two:
Hence the system of equations for the situation is given as
15x+9y= 360----------1
x+y= 30--------------2