Answer:
which is the first option in the list of possible answers.
Step-by-step explanation:
Recall that the minimum of a parabola generated by a quadratic expression is at the vertex of the parabola, and the formula for the vertex of a quadratic of the general form:
is at 
For our case, where 
we have:
And when x = 1, the value of "y" is:
Recall now that we can write the quadratic in what is called: "vertex form" using the coordinates 
of the vertex as follows:
Then, for our case:
Then, for the quadratic equal to zero as requested in the problem, we have:
1.
No.
Equation: x-25=40
Variable represents number of donuts
2.
8/3=x
Variable represents ounces of milk
/ means divided by
3.
50-12=x
Variable represents how many hours you work
Sorry for not doing 4
Answer:
By the Pythagoras theorem, the hypotenuse (c), is equivalent to:
a^2+ b^2= c^2 where a and b are the other two sides of the right angled triangle, hence c= square root (15^2+ 20^2)= 25
Answer: The distance in the map is 19 inches.
Step-by-step explanation:
On the map. 2 inches represent an actual distance of 64 miles.
The actual distance between town A and town B is equal to 608 miles, we need to divide this distance into groups of 64 miles.
N = 608/64 = 9.5
And each one of those 9.5 groups is represented with 2 inches in the map, then the distance in the map is:
d = 9.5*2 inches = 19 inches.
<h2>
Answer:</h2>
The total number of handshakes that would happen between the three people are:
3
<h2>
Step-by-step explanation:</h2>
There are three people at a party.
Let they be denoted by A,B and C.
Now, the total number of handshakes that would occur will be denoted by:
AB, AC and BC
where AB denotes that A and B shake hands.
AC denote that A and C shake hands.
and BC denote that B and C shake hands.
Hence, total number of handshakes are:
3
