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konstantin123 [22]
3 years ago
5

- x3 + 4x2 – 3x + 12 when x = -2​

Mathematics
2 answers:
drek231 [11]3 years ago
8 0
It would be 8 because

-(-2)*3+4*-2*2-3*(-2)+12=8

Hope this helps

If I’m wrong then I’m so sorry
dmitriy555 [2]3 years ago
6 0

Answer: 42

Explanation:

Image below

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(3x + 10) (2x + 15) what is the value of x ?
Mars2501 [29]
Answer:
6x^2 + 65x + 150

Explanation:

(3x+10)(2x+15)
6x^2 + 45x + 20x + 150
6x^2 + 65x + 150
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At a school bake sale, all of the pies were cut into 6 pieces, so each person who bought a piece got ⅙ of a pie. Each slice sold
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The area of a triangle is 11.5 square in the base is 23 in what is the height in inches
coldgirl [10]

Answer:

Height = 1 inch

Step-by-step explanation:

area of triangle = 1/2 x base x height

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Two complex numbers are given byz1= 3 +j4 andz2= 2 +j3. Determine in both polar andCartesian forms
Marat540 [252]

Answer:

Cartesian

z₁= 3 +4*j

z₂= 2 +3*j

Polar

z₁=5 * e^ (0.927*j)

z₁=√13 * e^ (0.982*j)

Step-by-step explanation:

for the complex numbers z the cartesian form of is

z= x + y*j

then

1) z₁= 3 +4*j (cartesian form)

2) z₂= 2 +3*j (cartesian form)

the polar form is

z= r* e^jθ

where

r= √(x²+y²) → r₁ = √(3²+4²) = 5 ,  r₂ = √(2²+3²) = √13

and

θ = tan⁻¹ (y/x)  → θ₁  = tan⁻¹ (4/3)= 0.927 rad , θ₂  = tan⁻¹ (3/2)= 0.982 rad

then

z₁=5 * e^ (0.927*j)

z₁=√13 * e^ (0.982*j)

3 0
4 years ago
5 ideas how to reduce food waste zero hunger.
aliya0001 [1]

Answer:

  • Plan meals ahead. In the home, one of the best ways to reduce food waste is to plan meals ahead. ...
  • Rotate time-sensitive foods in the fridge and cupboards. ...
  • Freeze surplus garden vegetables. ...
  • Process or dehydrate surplus or damaged fruit, produce, and meats. ...
  • Compost kitchen waste.

Step-by-step explanation:

6 0
3 years ago
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