To eliminate x, the coefficients of x's in both equations should be opposite numbers. Since the coefficient of x in the second equation is 3, the coefficient in the first equation should be -3. So she should multiply the first equation by -3.
Answer:
The ratios is 10:12 and if you were to write it in a fraction you get 10/12 which is simplified as 5/6
Step-by-step explanation:
Answer:
1980
We can choose 2 men from 9 in 36 in ways.
We can choose 2 women from 11 in 55 ways.
For any arrangement of 2 men there are 55 ways of combining them with 2 women => 55 * 36 = 1980 total ways.
If you're wondering how i got the numbers i used the combination formula:
C(n, k) = 
Answer: 9,364cm
Step-by-step explanation: 1 meter = 100 centimeters so it’s 93.64(100) = 9,364
Answer:
15.5925925926
Step-by-step explanation:
