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Genrish500 [490]
3 years ago
9

What are the coordinates of the vertex for f(x) = 3x2 + 6x + 3?

Mathematics
2 answers:
nikklg [1K]3 years ago
6 0
If im not wrong it would be f(x)= 6x+9
So up nine on y-axis and then go up 6 over to the right 1


Art [367]3 years ago
5 0
The vertex is (-1,0). you can find this after putting the equation in standard form by completing the square. 
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Can anyone please help
lilavasa [31]

Answer:

Adult tickets = $73.5

Child tickets = $20.5

Step-by-step explanation:

{ \rm{3x + 5y = 50 -  -  -  \{eqn \: 1 \}}} \\ { \rm{x + 5y = 31 -  -  -  \{eqn \: 2 \}}} \\

• Subtract eqn 2 from eqn 1:

{ \rm{2x = 21}} \\ { \rm{x = 10.5}}

{ \rm{10.5 + 5y = 31}} \\ { \rm{5y = 20.5}} \\ { \rm{y = 4.1}}

3 0
2 years ago
1/2(a+b)-(a-b)exponent2 when a=18 and b=14
lora16 [44]

Answer:

0

Step-by-step explanation:

Substitute the given values for a and b into the expression

\frac{1}{2}(18 + 14) - (18 - 14)²

= \frac{1}{2} × 32 - 4²

= 16 - 16

= 0

8 0
3 years ago
The hypotenuse of a right triangle has length 50 cm. One leg has length 20 cm. The nearest tenth, what is the length of the othe
Fantom [35]

Answer:

45.8 cm

Step-by-step explanation:

Let the length of other leg be l

By pythagoras theorem,

l \:  =  \sqrt{ {50}^{2} -  {20}^{2}  }  \\ l \:  = 45.8cm

6 0
3 years ago
Find two numbers between 1.4142133 and 1.41422
Naddik [55]

Hey there! I'm happy to help!

To find the number halfway between two numbers, you simply add them and then divide by two.

1.4142133+1.41422=2.8284333

2.8284333/2=1.41421665

That is one number in between these two. Now, we can find the number in between the middle number and the second number. This is another number in between our two numbers.

(1.41421665+1.41422)/2=1.414218325

You could keep on doing this and find tons of numbers in between these two.

Therefore, two numbers between 1.4142133 and 1.41422 are 1.41421665 and 1.414218325.

Have a wonderful day! :D

6 0
3 years ago
Find the value of A in the equation 5/a+3=3/A-2
amid [387]
5+3a = 3-2a
So
5a = -2
a=-2/5=-0.4
4 0
3 years ago
Read 2 more answers
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