Answer:
C. y = 20
Step-by-step explanation:
Given system of equations:

Multiply the second equation by 3:


Subtract this from the first equation to eliminate 3y:

Solve the resulting equation for x:



Substitute the found value of x into the original second equation and solve for y:



Answer:
the probability is 1/14 (7.14%)
Step-by-step explanation:
Since each card of the total of 56 equally likely to be chosen, then the probability is the ratio of the number of favourable outcomes divided by the total number of outcomes of the experiment. Thus the probability of getting a single Jack when there are 4 in 56 cards is
probability = number of favourable outcomes/ total number of outcomes = 4 Jacks / 56 different cards = 1/14 =0.0714 (7.14%)
thus the probability is 1/14 (7.14%)
Answer:
y=
−20/37
Step-by-step explanation:
Answer: 17.28
Step-by-step explanation:
Simplify
0.9((2.25)(4)+(1.4)(3)+6)
=(0.9)((2.25)(4)+(1.4)(3)+6)
=(0.9)((2.25)(4))+(0.9)((1.4)(3))+(0.9)(6)
=8.1+3.78+5.4
=17.28
Answer:
C. When it was purchased (year 0), the coin was worth $6.
Step-by-step explanation:
The y-intercept is 6, indicating the value of the rare coin was 6 in year zero.