Kelly is knitting a scarf for her brother. It took her 2/3 hour to knit 5/6 foot of the scarf. How fast is Kelly's knitting spee
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Answer:
The total number of students that ate lunch are 300 .
Step-by-step explanation:
Formula
As given
There are 4 lunch choices in a school cafeteria: Salad, Pizza, Spaghetti, and Sub Sandwiches.
The percentage of students that chose salad is 15%.
If 45 students chose salad.
Here
Percentage = 15%
Part value = 45
Put in the formula
Therefore the total number of students that ate lunch are 300 .
Answer:
Vertex form:
Standard form:
Step-by-step explanation:
A quadratic function in vertex form is where
is the vertex.
We are given .
Let's plug that in:
.
Now let's find .
We will use the -intercept
to find
.
So the function in vertex form is:
.
In standard form, we will have to multiply and combine any like terms.
Let's do that: