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Aleksandr [31]
3 years ago
10

F(-8) if (x) = -6x - 11?​

Mathematics
1 answer:
finlep [7]3 years ago
3 0

Answer:

37

Step-by-step explanation:

plug in -8 into the equation

-6(-8)-11

48-11

37

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Nitella [24]

Answer:

1 mile = 0.5 cm

Step-by-step explanation:

I hope this helps!

3 0
3 years ago
Read 2 more answers
8.0x=x^3+3.0x^2 solve for x
katovenus [111]

First of all, move all terms to the same side:

x^3 + 3x^2 - 8 x = 0

You can factor an x, which means that x = 0 is a solution:

x(x^2+3x-8)

This expression is further factorizable if the quadratic equation has any solution. Using the quadratic formula, we can find that they are

x_{1,2} = -\dfrac{3 \pm \sqrt{41}}{2}

So, we have

x(x^2+3x+8) = 0 = \iff x = 0,\quad x =-\dfrac{3 + \sqrt{41}}{2} ,\quad x =-\dfrac{3 - \sqrt{41}}{2}

5 0
4 years ago
Latasha paid $75 to join a summer golf program. The course where she plays charges $30 per round. if Latasha spent 375, use the
Sloan [31]
Assuming you made an error typing the question out, and the formula should say 30g, as it's $30 a round:

30g + 75 = 375
30g =375-75
\\30g = 300
\\g=300/30
\\g=10
7 0
3 years ago
PLEASE HELP ME!!!!!!!!!!
Blizzard [7]

Answer:

the first one: y=2x ²-1

Step-by-step explanation:

Plug in the "x" to the equation, so: 2(2) ²-1 = 7 which is "y" in the table above.

6 0
3 years ago
You are given a cube with a length of 2.5 cm a width of 2.5 cm and a heigh of 2.5 cm and its mass is 295 g what is the density
Klio2033 [76]
Density = mass/volume
Volume = length x width x height
Volume = 2.5 x 2.5 x 2.5 
             = 15.625 cm^3
Density = 295/15.625
             = 18.88 g/cm^3
4 0
4 years ago
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