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frutty [35]
3 years ago
6

Which of the following functions is quadratic?

Mathematics
1 answer:
Ne4ueva [31]3 years ago
5 0

Answer:

D

Step-by-step explanation:

the 'x' term is squared but not in the denominator

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Complete the square to solve 4x2 + 24x = 4.
igomit [66]

Answer:

x = - 3 ± \sqrt{10}

Step-by-step explanation:

Given

4x² + 24x = 4 ( divide through by 4 )

x² + 6x = 1

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(3)x + 9 = 1 + 9

(x + 3)² = 10 ( take the square root of both sides )

x + 3 = ± \sqrt{10} ( subtract 3 from both sides )

x = - 3 ± \sqrt{10}

8 0
3 years ago
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Round to the nearest whole number 486.3÷8.1
PolarNik [594]

Answer: 60.


Step-by-step explanation: After you divide you get 60.037037. And since were rounding its 60.


4 0
3 years ago
Please help really need to pass
VashaNatasha [74]
First add 5 to right side
\frac{x}{7} = -4+5 = 1
Next , to cancel the 7, you need to multiply by 7 on both sides
x = 1*7 = 7
8 0
4 years ago
Tim rolls two six-sided dice and flips a coin.
AlekseyPX

Answer:

<h2> C. 5, 2, Tails is not a possible outcome</h2>

Step-by-step explanation:

We are presented with three items

two dices and a coin

The sample space for a dice is S=(1,2,3,4,5,6)

and the sample space for a coin is S=(head and tail)

In the options provided all are possible outcomes for the two dices and the coin except for options "C" ,and this is because "8" is not a sample space in a dice

6 0
4 years ago
Convert 1.24 miles to feet
nika2105 [10]

Answer:

6547.2

Hopefully this helps! :)

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3 years ago
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