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slamgirl [31]
3 years ago
15

What are the valúes of a, b, and c in quadratic equation -2x^2+4x-3=0

Mathematics
1 answer:
statuscvo [17]3 years ago
3 0

Answer:

a = -2

b = 4

c = -3

Step-by-step explanation:

a quadratic equation is in the format <em>ax² + bx + c </em>

looking at our equation -2x² + 4x - 3 = 0, we look at the quadratic equation format as an example and see that

a = -2

b = 4

c = -3

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What number should be added to the expression x^2 + 6x to change it into a perfect square trinomal
alexandr402 [8]
Hello.

The correct is answer is 9.

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So it should be <span> x^2 + 6x +9

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5 0
3 years ago
The sum of 12.6, 31, and 5.4 is greater then 20
Dmitry [639]

Answer:

49>20

Step-by-step explanation:

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5 0
3 years ago
Celinda thought of 89.5 in parts, 80 + 9 + 0.5, and divided each part: 80 ÷ 10 = 8; 9 ÷ 10 = or 0.9; 0.5 ÷ 10 = 0.05. Then she a
Arlecino [84]

Answer:

Dividing each part into 10 and then summing the results up, is equivalent to dividing 89.5 into 10.  

Step-by-step explanation:

This example refers to the Distributive Property of the division, which is valid when the dividend is decomposed.

A simple example could be: 400 ÷ 10 = (200 ÷ 10) + (200 ÷ 10)

In the exposed example we know that 89.5 = 80 + 9 + 0.5.

  • <u>Option 1</u>

(80/10) + (9/10) + (0.5/10) =

8 + 0.9 + 0.05=

8.95

  • <u>Option 2</u>

89.5/10 = 8.95

     

8 0
3 years ago
20. Eight people decide to evenly split the number of Snicker's
Mama L [17]

Answer:

72

Step-by-step explanation:

9x8=72

check your answer by 72 divided by 9.

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4 years ago
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