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Ierofanga [76]
3 years ago
11

If f(x) =2x3 - 1, then f(-3)=

Mathematics
2 answers:
Vadim26 [7]3 years ago
4 0

Answer:

f(-3)=-19

Step-by-step explanation:

-3 REPLACES THE x

MA_775_DIABLO [31]3 years ago
3 0

Answer:

Step-by-step explanation:

f(x) = 2x^3 - 1

if x = -3,

f(-3) = 2 × (-3)^3 - 1

= 2 × -27 - 1

= -54 -1

= -55

hope this helps

plz mark it as brainliest!!!!!!!!!

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The system of equations cx + 3y = c – 3 and 12x + cy = c will have infinitely many solutions if the value of c is
irinina [24]

Answer:

6

Step-by-step explanation:

1. re-write the given system:

cx+3y=c-3; => y= -cx/3 +(c-3)/3

12x+cy=c; => y= -12x/c+c/12

2. according the condition the rule for the parallel graphs is:

-c/3= -12/c

3. to calculate the unknown 'c':

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7 0
3 years ago
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nikitadnepr [17]

Answer:

192.92 ft^3

Step-by-step explanation:

volume of a cone = \frac{1}{3}πr²h

π = 3.14

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h = height

the base of a cone is in the shape of a circle. thus, the circumference of the base is equal to the circumference of a circle

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r = 30.144 / 6.28

r = 4.8

Volume = 1/3 x 3.14 x 4.8² x 8 = 192.92 ft^3

8 0
3 years ago
Ir AB - 4x + 9. BC = 5x + 2, and AC - 56. then find the value for x, AB, BC.
tiny-mole [99]

Answer:

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A C − 56 = A = 9 x /B + 2/ B − 9 C

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I hope this helps

6 0
3 years ago
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Norma-Jean [14]
The simplest form would be x

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3 years ago
Instead of dividing 400 by 16, Chip thought of an equivalent division problem that was easier for him to divide. Write an equiva
galben [10]
You can divided each by 4 and get this easy answer..

100 divided by 4= 25. Hope it helps!
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