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valentinak56 [21]
3 years ago
14

Necesito un problema para esta ecuación (m) (m-2) =48

Mathematics
1 answer:
madreJ [45]3 years ago
5 0

Answer:

m = 8

Step-by-step explanation:

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3 years ago
For which positive integer values of $k$ does $kx^2+20x+k=0$ have rational solutions? Express your answers separated by commas a
Musya8 [376]

Answer:

-10,10

Step-by-step explanation:

The given quadratic equation is

k {x}^{2}  + 20x + k = 0

The discriminant of this equation is given by;

D =  {b}^{2}  - 4ac

where a=k, b=20, c=k

For rational solutions, the discriminant must be zero.

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Simplify to get:

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This implies that:

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Take square root to get:

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k =  \pm10

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3 0
3 years ago
Y = -x^2 + 5<br> -x + y = 3<br> Solve algebraically pleaseee help!!!
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4 0
3 years ago
How many pairs of whole numbers have sum of 110
alisha [4.7K]
Because the number is even, then the number of possible combinations will be: 110/2 = 55 let's consider a simpler example, the number: 10, then we have: 10+0, 9+1, 8+2, 7+3, 6+4, which is equal to 10/2 =5 combinations. Note: We are not considering permutations between the elements of the sum therefore 10+0, 0+10 counts as one combination.
7 0
3 years ago
Read 2 more answers
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