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Mathematics

2 answers:

icang [17]3 years ago

8 0

Answer:

You are correct

Step-by-step explanation:

That is the correct answer. It cannot be a reflection because the orientation is the same.

Vikki [24]3 years ago

5 0

Answer:

the one you have is right

hope this helps

i think but i'm not sure

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A club with five men and six women wish to form a committee. The number of men must be between 1 and 3 (inclusive), and the numb

Softa [21]

Answer:

1250 different committees can be formed

Step-by-step explanation:

We are told that the club has 5 men and 6 women.

Now we want to choose number of men between 1 and 3 with both inclusive and number of women between 2 and 4 with both inclusive.

We'll use the combination formula;

C(n, r) = n! / [r! (n - r)!]

Where, n = population and r = picks

Thus, we'll multiply the results of the women and men together. And so we have:this gives us ;

(5C1 + 5C2 + 5C3) * (6C2 + 6C3 + 6C4) = (5 + 10 + 10) * (15 + 20 + 15) = 25 * 50 = 1250 ways

8 0

3 years ago

what are the values of a, b, and c in the quadratic equation 0 = x2 – 3x – 2? - a = , b = 3, c = 2 - a = , b = –3, c = –2 - a =

Dafna11 [192]

$x^2-3x-2=0\\\\a=1;\ b=-3;\ c=-2\\\Delta=b^2-4ac\\\\\Delta=(-3)^2-4\cdot1\cdot(-2)=9+8=17 \ \textgreater \ 0\\\\then\\x_1=\dfrac{-b-\sqrt\Delta}{2a}\ and\ x_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\x_1=\dfrac{3-\sqrt{17}}{2\cdot1}=\boxed{\dfrac{3-\sqrt{17}}{2}}\\\\x_2=\dfrac{3+\sqrt{17}}{2\cdot1}=\boxed{\dfrac{3+\sqrt{17}}{2}}$