Answer:
the domain is 5 and the range is 10
Step-by-step explanation:
answer 1 is : 144
Answer2:21.60
Answer:
144 and 21.60
Step-by-step explanation:
The total number of students is 24 and the total number of boys is 6, therefore
Number of girls = 24 – 6 = 18
Therefore the ratio of the boys to girls is
Number of boys/ number of girls = 6/18 ~ 1/3
The ratio suggests that there is 1 boy for every 3 girls
Thanks!
Answer:
150 vouchers to wash trucks were sold
250 vouchers to wash compact cars were sold
Step-by-step explanation:
Here, we are interested in calculating the number of each type of vouchers sold.
Let the number of vouchers to wash trucks be x while the number of vouchers to wash compact trucks be y.
Firstly, we know that both sums up to be 400.
Mathematically;
x + y = 400 •••••••••(i)
Secondly,
since a voucher to wash trucks sell $4, and we sold a total of x, the amount generated from selling is 4 * x = $4x
Same way for the vouchers to wash compact cars, we have a total of $3 * y = $3y
The sum of both gives $1350, which is the total sales.
Mathematically;
4x + 3y = 1350 ••••••(ii)
So we have two equations to solve simultaneously;
x + y = 400
4x + 3y = 1350
Multiply equation i by 4 , we have;
4x + 4y = 1600
4x + 3y = 1350
Subtract equation ii from i, we have 4y-3y = 1600-1350
y = 250
From equation 1, we know that
x + y = 400
This means that;
x = 400 -y
x = 400 -250
x = 150
Answer: for first question answer is second option and other question answer is again b
Step-by-step explanation:
Firstly you already see that the median is increasing because it is first 403 and changing to 553. We can understand it increased