3 years ago

Which expression is equivalent to 4x2 + 9x – (x – 3)2 + 11?

Mathematics

1 answer:

Zanzabum3 years ago

4 0

4x^2+9x-(x^2-6x+9)+11
4x^2+9x-x^2+6x-9+11
3x^2+15x+2

You might be interested in

Pls help this is due today!

Irina18 [472]

Answer:

do you have a picture of this

3 0

2 years ago

Read 2 more answers

If Andre sold 16 magazine subscriptions this week, would he reach his goal? Explain your reasoning.

Alenkasestr [34]

Step-by-step explanation:

what's his goal I will give answer in comments after you tell me

5 0

3 years ago

How many solutions can be found for the linear equation?<br><br> 4(x + 5) - 5 = <br> 8x + 18<br> 2

Elena L [17]

Answer:

$4x + 20 - 5 = 0 \\ 4x + 15 = 0 \\ 4x = - 15 \\ x = - \frac{15}{4}$

Step-by-step explanation:

$8x + 18 = 0 \\ 8x = - 18 \\ x = - \frac{18}{8} \\ x = - \frac{9}{4}$

7 0

3 years ago

An amusement park charges $25 to enter plus $2 per ride ticket. Which graph models the cost of a visit to this park?

KonstantinChe [14]

Answer:

Graph B

Step-by-step explanation:

6 0

3 years ago

Is 30/12 and 40/16 equivalent?

vlabodo [156]

$We\ pull\ the\ whole\ numbers\ from\ fractions:\\\\ \frac{30}{12}=2\frac{6}{12}=2\frac{1}{2}\\\\
\frac{40}{16}=2 \frac{8}{16}=2\frac{1}{2}\\\\\
\frac{30}{12}=\frac{40}{16}\\\\They\ are\ equivalent.$

6 0

3 years ago