y - 3x = 7
can be written as
y = 3x + 7
For every value of x there is a unique value of y. For example when x = 0 y = 3(0) + 7 = 7
Yes it is a function.
In particular it is a one-to-one function.
Answer:
Step-by-step explanation:
Since we know the values of a, b, and c, we can substitute them into our expression and get the value.
A negative multiplied by a negative gets us a positive.
Adding a negative is the same as subtracting a positive.
Hope this helped!
Answer: Option b.
Step-by-step explanation:
1. You can rewrite it as following:
This means that you must substitute x=-6 into the limit. There is not x, then the function is always equal to 2, no matter the value of x.
This means that you must substitute x=-6 into the limit. There is not x, then the function is always equal to 1, no matter the value of x.
2. Then:
3. The answer 2.
Answer:
64 adult tickets were sold
Step-by-step explanation:
Let a = adult tickets sold
c = child tickets sold
a+c = 90 since there were 90 tickets sold
12a+7c = 950 since the amount of money collect is 950
c = 90-a
Substitute this into the second equation
12a +7( 90-a) = 950
Distribute
12a + 630-7a = 950
Combine like terms
5a +630 = 950
Subtract 630 from each side
5a = 950-630
5a = 320
Divide by 5
5a/5 = 320/5
a =64
64 adult tickets were sold
To work out the distance of the path, you need to find out the circumference.
Formula for circumference = pi multiplied by the diameter
So you simply do:
pi multiplied by 1.4 miles
And you should get:
4.39822971503... miles
Simply round the result to an appropriate value (e.g. 3 decimal places).
Answer: 4.398 miles (to 3dp)
Hope the answer helps :)
