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Murljashka [212]

3 years ago

10

Re-write the quadratic function below in Standard Form y= 6(x−9)2−3

1 answer:

Pie3 years ago

4 0

$y = 6 {x}^{2} - 108x + 483$

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What are the solutions ?<br><img src="https://tex.z-dn.net/?f=7x%20%5E%7B2%7D%20%20%2B%2010x%20-%203%20%3D%20x%20%5E%7B2%7D%20%2

anyanavicka [17]

Answer:

$x = \frac{ - 3}{2} \: or \: \frac{1}{3}$

Step-by-step explanation:

$7 {x}^{2} + 10x - 3 = {x}^{2} + 3x$

$= > 7 {x}^{2} - {x}^{2} + 10x - 3x -3 = 0$

$= > 6 {x}^{2} + 7x - 3 = 0$

$= > 6 {x}^{2} + 9x - 2x - 3 = 0$

$= > 3x(2x + 3) - 1(2x + 3) = 0$

$= > (2x + 3)(3x - 1) = 0$

Here x will have 2 values.

1) $2x + 3 = 0$

$= > 2x = - 3$

$= > x = \frac{ - 3}{2}$

2) $3x - 1 = 0$

$= > 3x = 1$

$= > x = \frac{1}{3}$

4 0

2 years ago

Twice the sum of a number and six decreased by fifteen is the same as eighteen more than the product of five and the number. Fin

Arlecino [84]

Answer:

-9

Step-by-step explanation:

2(n+6) -15 = 5n+18

2n + 12 - 15 = 5n + 18

2n - 3 = 5n + 18

2n = 5n + 21

-3n = 21

n = -9

4 0

2 years ago

1. Given rhombus RSTV, where the perimeter is 20cm and the area is 25cm². If rhombus RSTV is dilated by a scale factor of 3 abou

aleksandr82 [10.1K]

Answer:

The answer is A

Step-by-step explanation:

6 0

2 years ago

jades the contains 750 miller's of water. he drink 520 milliliters at practice and then another 190 milliliters on his way home.

Nostrana [21]

40 because
750
-520
------
230
-190
------
40

4 0

3 years ago

Could you help me with this plz

serious [3.7K]

Answer:

B. 203.403

Step-by-step explanation:

2 times 100 = 200

3 times 1 = 3

4 times 1/10 = 0.4

3 times 1/1000 = 0.003

200 + 3 = 203

203 + 0.4 = 203.4

203.4 + 0.003 = 203.403

3 0

3 years ago