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what is the value of x assume that the line is tangent to the circle
what is the value of x assume that the line is tangent to the circle
1 answer:
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Answer:
Option D
Step-by-step explanation:
Formula to be used,
Scale factor =
By this formula,
L =
= 77 inches
Similarly, width of the the dilated rectangle =
= 35 inches
Perimeter of the new rectangle = 2(Length + width)
= 2(77 + 35)
= 224 inches
Option (D) will be the correct option.
Given:
Growth rate = 30% decrease
To find:
The growth factor associated with the given growth rate.
Solution:
The general exponential function is:
Where, a is the initial value, r is the growth rate in decimal and is the growth factor.
It is given that the growth rate is 30% decrease. So,
Now,
Therefore, the growth factor is 0.7.
Using a system of equations, it is found that 41 regular and 53 sleeper seat tickets were sold.
<h3>What is a system of equations?</h3>A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
In this problem, the variables are:
- Variable x: Regular coach seats.
- Variable y: Sleeper cars seats.
94 passengers rode in a train from City A to City B, hence:
Tickets for regular coach seats cost 115$. Tickets for sleeper cars seats cost 281$. The receipts for the trip totaled 19,608$, hence:
From the first equation, x = 94 - y, hence, replacing on the second.
Hence, 41 regular and 53 sleeper seat tickets were sold.
To learn more about system of equations, you can take a look at brainly.com/question/14183076