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navik [9.2K]
3 years ago
13

Evaluate f(x)=6x2 – 12 when x =-3.

Mathematics
1 answer:
Darya [45]3 years ago
7 0
The answer is negative-48
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Help<br> I neeed to get this question right
Irina18 [472]

Answer:

6/10 is greater than 6/100

Step-by-step explanation:

6/10 = 3/5

6/100 = 3/50

3 fifties is lot more than 3 with 5 parts

hope it makes sense

5 0
3 years ago
PLEASE HELP ME I CANT GET IT RIGHT
mario62 [17]

Answer:

I believe the answer is 760 ft²

Step-by-step explanation:

16×39/2=312

(17+39)(16)/2=448

448+312=760ft²

let me know if it was right. good luck!

8 0
2 years ago
If an exterior angle of a regular polygon is 21.2º, how many sides does the polygon have?
brilliants [131]

Answer:

option 4.    17

Step-by-step explanation:

<u>sum of angles = exterior angle x n</u>

360° = 21.2° n

n = 360 / 21.2

n = 17

6 0
3 years ago
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Which number line best shows how to solve −2 − (−4)?
bija089 [108]

Answer:

the answer is 2. there arwnt any number lines so

4 0
3 years ago
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We are standing on the top of a 1200 feet tall building and launch a small object upward. the object's vertical position, measur
romanna [79]

Answer:

h = 1600 feet

Step-by-step explanation:

To quickly solve this problem, we can use a graphing tool or a calculator to plot the equation.

Please see the attached image below, to find more information about the graph

The projectile formula is

h(t) = a*t^2 + v*t + h0

Where,

v = initial vertical velocity of the object in feet per second

h0 = initial height of the object in feet

h(t) = −16t^2 +160t + 1200

If we look at the graph, we can find the point in which the height becomes maximum.

For this problem,

h = 1600 feet ,

at t = 5 seconds

7 0
3 years ago
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