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Ilia_Sergeevich [38]
3 years ago
13

Is there anyone here that knows how to solve quadratic equations using the quadratic formula?​

Mathematics
2 answers:
Kay [80]3 years ago
7 0

Answer:

the quadratic formula is x = (-b +_ √b^2 -4ac)/2a

find a, b, and c by this: ax^2 +bx + c = 0

and plug the value into the quadratic formula

Ann [662]3 years ago
5 0

Answer:

Me, I just learned it, I can help

Step-by-step explanation:

Formula:

ax^2 + bx + c

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rodikova [14]

Answer:

x therefore will be equal to 4

8 0
3 years ago
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12^13–12^12+12^11 is divisible by 7 and 19.
fiasKO [112]

Answer:

The statement is true

Step-by-step explanation:

The question is as following :

12^{13}-12^{12}+12^{11} is divisible by 7 and 19, true or false?

The given expression is 12^{13}-12^{12}+12^{11}

Take 12^{11} as a common

12^{13}-12^{12}+12^{11} = 12^{11}*(12^2-12^1+12^0)\\= 12^{11} *(144-12+1)\\=12^{11} * 133\\= 12^{11} * 7 * 19

So, 12^{11} * 7 * 19 divided 7 = 12^{11} * 19

And 12^{11} * 7 * 19 divided 19 = 12^{11} * 7

12^{13}-12^{12}+12^{11} is divisible by 7 and 19 (<u>True</u>)

8 0
3 years ago
If QRST is a kite, find mZQRS. R (11x - 6) 79° S (4x + 13) T mZQRS<br>I really need help!​
maxonik [38]

Step-by-step explanation:

4x +13 +79+79+ 11x-6 = 360

15x +165 = 360

15x = 195

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QRS = 11(13)-6 = 137

4 0
3 years ago
[WILL MARK BRAINLIEST]
notka56 [123]

Answer:

The answer is 4 cm

Step-by-step explanation:

The answer is 4 cm because the formula for a cone is V=π r^2 h/3, and the formula for a cylinder is V=π r^2 h, and the cone's volume is V≈301.59, and, a cylinder with

r=4 and h=6 is V≈301.59

Therefore the answer is

4 cm

I hope this has satisfied you.

8 0
3 years ago
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lorasvet [3.4K]
If it is a slope formula I believe it is y= 4x-24
7 0
3 years ago
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