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nikklg [1K]
3 years ago
7

Solve the quadratic equation 3x² + 2x - = 0

Mathematics
2 answers:
tatyana61 [14]3 years ago
7 0

Answer:

first try taking the common

Step-by-step explanation:

x(3x+2)=0

3x=-2

x=-2/3

Dafna11 [192]3 years ago
3 0

Answer:

x = - \frac{2}{3} , x = 0

Step-by-step explanation:

Given

3x² + 2x = 0 ← factor out x from each term

x(3x + 2) = 0

Equate each factor to zero and solve for x

x = 0

3x + 2 = 0 ⇒ 3x = - 2 ⇒ x = - \frac{2}{3}

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Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 11 feet by 11 feet by 2 inches for a patio if
Elena-2011 [213]

Answer:

$34.04

Step-by-step explanation:

The dimensions of a slab is 11 feet by 11 feet by 2 inches or 3.67 yards, 3.67 yards and 0.055 yards

We need to find the cost to pour a slab.

We know that the volume of a cuboid shape is given by :

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V = 3.67 × 3.67 × 0.055

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Cost,

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C = $34.04

Hence, the required cost is equal to $34.04.

4 0
3 years ago
Can someone solve this for me?
Sav [38]

Answer:

9

Step-by-step explanation:

9 is 3/4*12.

3 0
3 years ago
(3) In the following circle and rectangle, when AB (the length of segment AB) is 3, BC is 3, and DE is 2.5, find the length of E
dusya [7]
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8 0
3 years ago
If p() = x2 - 1 and q(x) - 5(x-1), which expression is equivalent to (p - q)(x)?
TiliK225 [7]

Answer:

\text{If p(x) = x2 - 1 and q(x) = 5(x - 1), the expression which is equivalent to} \text{ (p - q)(x) is (x2 - 1) - 5(x - 1).}

Step-by-step explanation:

Given:

  • p(x) = 2x2 - 1
  • q(x) = 3(x - 1)

To find:

  • (p - q)(x)

We know:

  • (p - q)(x) = p(x) - q(x)

Substitute

  • (2x^2 - 1) - 3(x - 1)

\text{Therefore, the expression equivalent to (p - q)(x) is (2x2 - 1) - 3(x - 1).}

7 0
2 years ago
Solve the system by substitution.<br> 10x + 5y = -50<br> y = -x
Pie

Answer:

(1,-12)

Step-by-step explanation:

-10+5y=-50

5y=-60

y=-12

10x-60=-50

10x=10

x=1

8 0
3 years ago
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