Answer:
The solution to the system of equation is

Answer:
51
Step-by-step explanation:
Given parameters:
Number of heads = 30 heads
Number of legs = 84 legs
Unknown:
Number of chickens and pigs = ?
Solution:
Since a chicken has one head, the number of chicken is the same as the number of heads;
Number of chicken = 30
A pig has 4 legs,
Number of pigs =
= 21pigs
Total number of pigs and chickens = 30chickens + 21 pigs = 51
There are 2 cups in 1 pint. That's a hint.
9514 1404 393
Answer:
3/45
Step-by-step explanation:
To find the numerator, multiply the desired denominator by the fraction.
x/45 = 1/15
x = (45)(1/15) = 45/15 = 3
The equivalent fraction is 3/45.
Answer:
b=-a
Step-by-step explanation:
Becaude when b is <u>positive</u> a will be <u>negative</u>
And when b is <u>negative</u> a will be <u>positive</u>.