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Inessa05 [86]
3 years ago
13

Give two ways to write an expression as a phrase 6+ P

Mathematics
1 answer:
dangina [55]3 years ago
5 0

1.   P+(3x2)

2.  P+3+3

I hope this helps!

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What is the factored form of 6x2 + 13x + 6?
MariettaO [177]

Answer:

(3x+2)(2x+3)

Step-by-step explanation:

3 0
3 years ago
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Solve Quadratic Equations by Factoring:
mr_godi [17]

Answer:

  1. x = 0 or 1
  2. x = ±i/4
  3. x = -5 (twice)

Step-by-step explanation:

Factoring is aided by having the equations in standard form. The first step in each case is to put the equations in that form. The zero product property tells you that a product is zero when a factor is zero. The solutions are the values of x that make the factors zero.

1. x^2 -x = 0

  x(x -1) = 0 . . . . . x = 0 or 1

__

2. 16x^2 +1 = 0

This is the "difference of squares" ...

  (4x)^2 - (i)^2 = 0

  (4x -i)(4x +i) = 0 . . . . . x = -i/4 or i/4 (zeros are complex)

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3. x^2 +10x +25 = 0

  (x +5)(x +5) = 0 . . . . . x = -5 with multiplicity 2

5 0
3 years ago
A sphere and a cylinder have the same radius and height. The volume of the cylinder is 18 cm3
Minchanka [31]

Answer:

12 cm³

Step-by-step explanation:

Let's say the radius of the sphere and cylinder is r and the height is h. However, notice that the "height" of the sphere is the same thing as the diameter, which is 2r, so h = 2r.

The volume of a sphere is denoted by: V=\frac{4}{3} \pi r^3 , where r is the radius.

The volume of a cylinder is denoted by: V=\pi r^2h, where r is the radius and h is the height. Plug in 2r for h and 18 for V:

V=\pi r^2h

18=\pi r^2*2r=2\pi r^3

\pi r^3=18/2=9

Now plug in 9 for πr³ in the volume formula for the sphere:

V=\frac{4}{3} \pi r^3

V=\frac{4}{3} *9=12

The volume of the sphere is 12 cm³.

4 0
3 years ago
What is the simplified form of 2n+3(n+4)
Andrews [41]

Answer:

5n + 12

Step-by-step explanation:

Perform the indicated multiplication.  Then combine like terms:

2n + 3n + 12 = 5n + 12 (answer)

5 0
3 years ago
M=-4/5,(-7, - 2) Find the equation of the line that has the given slope
ikadub [295]

Answer: y=-\frac{4}{5}x-\frac{38}{5}

Step-by-step explanation:

To find the equation, you plug in the slope and given point. Then, you can solve and find the y-intercept.

-2=-\frac{4}{5}(-7)+b          [multiply]

-2=\frac{28}{5}+b                  [subtract both sides by \frac{28}{5}]

b=-\frac{38}{5}

Now that we have the y-intercept, the equation is y=-\frac{4}{5}x-\frac{38}{5}.

8 0
3 years ago
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