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elena-14-01-66 [18.8K]
3 years ago
10

Which of the following is a polynomial?

Mathematics
1 answer:
julsineya [31]3 years ago
8 0

Answer:

A poly nomial is an expression with more than one term.

Step-by-step explanation:

Terms are separated by +'s and -'s. So, anything that has multiple terms and are polynomials(poly: the greek root for many.)

If an expression has a division, and the denominator(the number under) is a variable(x,y,z, etc.), then it is not a monomial. Thus it is a polynomial.

So to sort of answer your question if you're one of those people who just look to the bottom for answers to be lazy, I see 3 polynomials.

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How many rays intersect at point O<br><br> 1. 5<br> 2. 4<br> 3. 6<br> 4. 3
stiks02 [169]
For this case, what you should see is which lines contain point O.
 We have then that the lines that contain this point are:
 EC
 AD
 BO
 We note that three lines contain point O.
 Therefore, three lines intersect at the same point.
 Answer: 
 4. 3
8 0
4 years ago
Read 2 more answers
You are dealt a hand of three​ cards, one at a time. Find the probability of each of the following. ​a) The first heart you get
boyakko [2]

Answer:

a) 0.145

b) 0.013

c) 0.783

d) 0.586

Step-by-step explanation:

a) there are always 52 cards in total, 13 hearts

Pa = 39/52 × 38/51 × 13/50 = 19266/132600 = 257/1700 =0.145

b) there are always 13 diamonds in a complete card

Pb = 13/52 × 12/51× 11/50 = 11/850 = 0.013

c) there are always 4 aces, and 48 that are not aces

Pc = 48/52 × 47/51 × 46/50 = 4324/5525 = 0.783

d) there are 13 hearts,to get at least one heart we have.

Pd = 1 - p

Where p is the probability of no hearts

p = 39/52 × 38/51 × 37/50 = 703/1700 = 0.414

Pd = 1 - 0.414

Pd = 0.586

4 0
4 years ago
Korey kept track of the number of miles he ran each week for five weeks. The median number of miles he ran during the five weeks
ivolga24 [154]

Options:

A. 18, 20, 20, 22, 25

B. 20, 20, 20, 25, 25

C. 16, 19, 21, 22, 22

D. 20, 20, 21, 22, 22

Answer:

A. 18, 20, 20, 22, 25

Step-by-step explanation:

Required

Which list has a mean of 21 and median of 20

Each of the list have 5 numbers and they've all been sorted.

The median is the number at the 3rd position (i.e. the middle number)

So, list C and D are out because they do not have a median of 20.

Next, calculate the mean of lists A and B

\bar x = \frac{\sum x}{n}

A. 18, 20, 20, 22, 25

\bar x = \frac{18 + 20 + 20 + 22 + 25}{5}

\bar x = \frac{105}{5}

\bar x = 21

B. 20, 20, 20, 25, 25

 \bar x = \frac{20 + 20 + 20 + 25 + 25}{5}

\bar x = \frac{110}{5}

\bar x = 22

Only list A has a median value of 20 and a mean value of 21

6 0
3 years ago
What are the zeros of the quadratic function f(x) = 6x2 – 24x + 1?
seraphim [82]

Answer:

x=\frac{12+\sqrt{138}}{6}\:\:or\:\:x=\frac{12-\sqrt{138}}{6}

Step-by-step explanation:

f(x)=6x^2-24x+1\\\\0=6x^2-24x+1\\\\x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x=\frac{-(-24)\pm\sqrt{(-24)^2-4(6)(1)}}{2(6)}\\ \\x=\frac{24\pm\sqrt{576-24}}{12}\\\\x=\frac{24\pm2\sqrt{138}}{12}\\\\x=\frac{12\pm\sqrt{138}}{6}

5 0
2 years ago
Learn
seropon [69]
12 x 8 = 96 so answer is 96
4 0
3 years ago
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