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kolbaska11 [484]
2 years ago
13

A bobsled team is practicing runs on a track. Their first run takes 4.85 minutes. On each of the next two run the team theme cha

nges by -5 1/2% compared the previous time
Mathematics
1 answer:
Scrat [10]2 years ago
3 0

WHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHATWHAT

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Which values are possible rational roots of 4x3+9x2−x+10=0 according to the rational root theorem? Select each correct answer. ±
navik [9.2K]

ANSWER


The possible rational roots are:


\pm\frac{1}{2},\pm2,\pm \frac{5}{2}


EXPLANATION


According to the rational root theorem, the possible rational roots of the polynomial,



4x^3+9x^2-x+10=0


are all the possible factors of the constant term divided by all the possible factors of the coefficient of the highest degree of the polynomial.



Therefore we examine the numerator and denominator of the options provided to see if they are factors of 10 and 4 respectively.



For

\pm\frac{1}{2}, we can see that 1 is a factor of 10 and 2 is a factor of 4, hence it is a possible rational root.


The same thing applies to \pm2,\pm \frac{5}{2} also.


As for


\pm \frac{2}{5}, 2 is a factor of 10 but 5 is not a factor of 2, hence it is not a possible rational root.


5 0
3 years ago
Help on this please.
mote1985 [20]

Answer:

x = 11

Step-by-step explanation:

A triangle has three sides, which are its edges. Also, it has three vertices that are the corners of a triangle and where two edges meet.

The circumference is equidistant from the vertices of the triangle:

Equidistant = At equal distances.

The vertices in the picture are: A, B, C

The circumcenter is: P

So, we can apply the rule: PA = PB = PC

PA = 38

PB = 6x - 28

PC = ?

And since the picture labels PA and PB, we set up the equation:

PA = PB = PC

38 = 6x - 28

Add 28 to both sides

38 + 28 = 6x - 28 + 28

66 = 6x

Divide 6 on both sides

66/6 = 6x/6

Simplify

11 = x

Flip the equation

x = 11

4 0
2 years ago
2) A jacket that is regularly priced at $175 is on sale, at a discount of 35%.
Mandarinka [93]

Answer:

$113.25

Step-by-step explanation:

35% of 175 is 61.25. Since it's 35% OFF we have to subtract 61.25 to 175 which is 113.25.

I hope this helps and if it did I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

5 0
3 years ago
Which One Doesn't Belong?
olya-2409 [2.1K]

Answer:

I THINK C I’m not totally sure because it has an end point visible

Step-by-step explanation:

7 0
3 years ago
The graph of the function is shown below: f(x) = 4 * 3^x
Ksju [112]

Answer:

-T

Step-by-step explanation:

Im not the greatest at math but thats what i got.

4 0
3 years ago
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