Solve for either x or y
since they give you a y equation, you should find the x equation.
x - 1/3y = -3
move the -1/3y to the right and it'll be a positive
×= 1/3y-3
now plug in the x to the y equation or vise versa
I'm going to plug in the x into the y to make things faster and less complicated.
y= (x3-9)
y= (1/3^3 -9)
y= 1/27 -9
y= 9.03703
now plug in the y to the x equation.
x= 1/3y-3
x=1/3 (9.037) - 3
x= .01234
I'll round it to the hundredths place
(0.012, 9.04)
Answer: -6.26
Step-by-step explanation:
Test statistic for population proportion is given by :-
, where p = population proportion.
= sample proportion.
n= sample size.
As per given , we have
n= 1021
Then, the test statistic will be :-
Hence, the value of the test statistic is -6.26 .
Since the songs are $1 each and the audio books are $4 so for every ONE audio book he buys at $4, he will buy THREE songs at $1 each. So if he buys 5 audio books he will buy 15 songs and in turn spend $20 on audio books and $15 on songs. You can make a formula to solve this problem if S= amount of songs and A= amount of audio books
S=A*3 input the number of Audio books and you get the number of songs per audio book. For example S=5*3 S=15 so you have 15 songs when you buy 5 audio books.
In order to calculate price (Total price = T), T=S+(A*4) This can only be calculated once you do the first formula. So since A=5 and S=15
T=15+(5*4) T=$35 If Ben buys 5 Audio Books and 15 songs, he will spend $35
Using the formula, Ben can buy 6 Audio books and 16 songs and spend $40
So Ben's options are either spending $35 and having 3 times as many songs as he does Audio books
Or spending all of his $40 and buying 1 more of each
(Additionally, he could buy 5 more songs and spend the same amount of money)
The answer is c
since she bought 8 times as much goldfish than angelfish you know there will be more goldfish so you look at the angelfish and multiply that by 8 and the only one that makes sense is c, 40 angelfish, 320 goldfish
Answer:
(5y)x
Step-by-step explanation:
the commutative law of multiplication=ab=ba, a(bc)=c(ab)
(5x)y=(5y)x=5(xy)