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zlopas [31]
3 years ago
9

The probability that Gerald makes a three-point shot in basketball is 20%. For practice, Gerald will regularly

Mathematics
1 answer:
denpristay [2]3 years ago
6 0

count all the dots that are greater than 10. you'll get 6 dots. the question is asking for the dots 10 and fewer there is 40 dots in total so you subtract

40-6= 34

the answer is 34/40

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Find all the zeros of the function <br> g(x)=x^3-4x^2-x+22
vagabundo [1.1K]

Answer:

x = -2, x = 3 − i√8, and x = 3 + i√8

Step-by-step explanation:

g(x) = x³ − 4x² − x + 22

This is a cubic equation, so it must have either 1 or 3 real roots.

Using rational root theorem, we can check if any of those real roots are rational.  Possible rational roots are ±1, ±2, ±11, and ±22.

g(-1) = 18

g(1) = 18

g(-2) = 0

g(2) = 12

g(-11) = 1782

g(11) = 858

g(-22) = -12540

g(22) = 8712

We know -2 is a root.  The other two roots are irrational.  To find them, we must find the other factor of g(x).  We can do this using long division, or we can factor using grouping.

g(x) = x³ − 4x² − 12x + 11x + 22

g(x) = x (x² − 4x − 12) + 11 (x + 2)

g(x) = x (x − 6) (x + 2) + 11 (x + 2)

g(x) = (x (x − 6) + 11) (x + 2)

g(x) = (x² − 6x + 11) (x + 2)

x² − 6x + 11 = 0

Quadratic formula:

x = [ 6 ± √(36 − 4(1)(11)) ] / 2

x = (6 ± 2i√8) / 2

x = 3 ± i√8

The three roots are x = -2, x = 3 − i√8, and x = 3 + i√8.

5 0
3 years ago
Solve for and in the following simultaneous equations below; 5x−4y=8 and 2x+y=11.
lorasvet [3.4K]

Answer:

x=4 and y=3

Step-by-step explanation:

put one of the equations in slope form and solve

7 0
3 years ago
Read 2 more answers
Why is 1 always a gcf of two numbers
ArbitrLikvidat [17]
But it's not one doesn't always have to be the gcf
5 0
3 years ago
What does 1/3 represent for the picture below?
eduard

Answer:

c the ratio of the measure of arc QR and the circle

Step-by-step explanation:

i just took the quiz

hope this helps (:

5 0
3 years ago
Please help i’m so confused LMC of 9, 12 and 24
julia-pushkina [17]

Answer:

The LCM of 9, 12, and 24, is <em>72.  </em>

Step-by-step explanation:

To find the answer you must figure out the factors of <em>each number</em>, and see which factor has the <em>same number.</em>  

<u><em>Factors of 9: </em></u>         <u><em>Factors of 12:</em></u><em>        </em><u><em>Factors of 24: </em></u>

     <em>  9                            12                          24</em>

<em>        18                          24                          48</em>

<em>        27                          36                         72</em>

<em>        36                          48</em>

<em>        45                          60</em>

<em>        54                          72</em>

<em>        63</em>

<em>        72</em>

When we look at all these factors, none of them have the same number <em>except 72.</em>  Since <em>all</em> of these factors have <em>72 in them</em>, this is the<em> </em>LCM of 9, 12, and 24.

7 0
3 years ago
Read 2 more answers
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