The vertex is (-1,1)
Explanation
The vertex formula to find the x coordinate of the formula is -b/2a
So we plug in the values into the formula which is
-4/2(2)
Simplify it
-4/4
=-1
-1 is now the x cord of the vertex.
So now we will plug in the x into the quadratic equation which is 2x^2+4x+3
2(-1)^2 + 4(-1) + 3 = 2 -4 +3
Simplify it
5 - 4= 1
Y=1
So the Coordinates of the vertex is (-1,1)
Answer:
100
Step-by-step explanation:
take the words 5 more or plus 5+, than twice (2) a number or the amount the old machine can use (x). put it together to get 5+2x now the new one can produce 205 copies total. we use total as equal so, 5+2x=205, subtract 5 on both sides. 2x=200 and divide by 2 to both sides. x=100
Answer:
Given: TN=22.4 inches
So MP is half that amount
22.4/2= 11.2
Step-by-step explanation:
The method for working out how much they each paid is incorrect, lets look at it from a different perspective.
The 3 guys paid him $30, now he gives back $5 to the guys.
So there is $25 with the owner and $5 with the bell boy.
Now the bell boy keeps $2 and gives back $3, $1 to each of the guys.
So there is $25 with the owner, $2 with the bell boy and $3 with the guys.
Now indeed the guys paid $30 - $3 which is $27 dollars, but we can see that that is now split between the owner and the bell boy as $25 + $2 = $27 dollars.
