Rectangle=21 times 14=294 cm^2
Triangle=Base Times Height
Height=21-12=9cm
Area of triangle=16 times 9 =144
Area of both=294+144=438cm^2
Answer:
3/5 of an hour, 60 minutes, 2/3 of an hour
Step-by-step explanation:
Answer:
The answer is A I’m pretty sure
Step-by-step explanation:
Answer: Sometimes
Step-by-step explanation: An equation sometimes has one solution. There are some equations where their is no solution. An example of this would be x = x-1 There is no solution for this equation. There are also times when an equation has an infinite amount of solutions. An example is x=x no matter how many values you put in, all will be true.
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:
