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3 years ago

What is the number of possible combinations of 14 objects taken 3 at a time?

Mathematics

1 answer:

Vanyuwa [196]3 years ago

4 0

Im pretty sure is 364

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HELP WITH QUESTION!!!!!!!!!!!!!!!!!!!1 WILL MARK 10 POINTS + BRAINLIEST!!!! #17

serg [7]

I graphed the function.

Remember, f(x)= y.

y= -2x^2-16x-34

The vertex was at point (-4,-2)

I hope this helps!
~kaikers

3 0

3 years ago

Solve using the quadratic formula 3x^2+11x+5=0

storchak [24]

Answer:

$3x^2 + 11x + 5 = 0 : x = \frac{-11 + \sqrt{61} }{6} , x = \frac{-11 - \sqrt{61} }{6}$

Decimal:

$(x = -0.53162..., x = -3.13504...)$

Step-by-step explanation:

$3x^2+11x+5=0$

Solve with the quadratic formula:

For a quadratic equation of the form $ax^2+bx+c=0$ the solutions are:

$x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

For $a=3,\:b=11,\:c=5:\quad x_{1,\:2}=\frac{-11\pm \sqrt{11^2-4\cdot \:3\cdot \:5}}{2\cdot \:3}$

$x=\frac{-11 + \sqrt{11^2-4\cdot \:3\cdot \:5}}{2\cdot \:3} : \frac{-11 + \sqrt{61} }{6}$

$x=\frac{-11 - \sqrt{11^2-4\cdot \:3\cdot \:5}}{2\cdot \:3} : \frac{-11 - \sqrt{61} }{6}$

The solutions to the quadratic equation are:

$x=\frac{-11+\sqrt{61}}{6},\:x=\frac{-11-\sqrt{61}}{6}$

Hope I helped. If so, may I get brainliest and a thanks?

Thank you, have a good day! =)

8 0

3 years ago

The equation p=100−5t represents the percent p of battery power remaining in a tablet after t hours.

puteri [66]

Answer:

Step-by-step explanation:If p=100% and t=20% than 5×20=100 because if you add 20 five different times you get 100.

7 0

3 years ago

What is the mode of the data set? 8 9 10 5

kykrilka [37]

Answer:

Step-by-step explanation:

It has the highest frequency

4 0

2 years ago

I need to know the answer and step by step process on this problem

const2013 [10]

So when you are doing this u will have to make a sentence

Step two- You will have to combined like terms with x

Step three- You will combine like terms with the regular numbers

step 4- you will then divide x by the number

8 0

3 years ago