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2 years ago

Please answer these correctly :(. i just need these two pls <333

Mathematics

1 answer:

creativ13 [48]2 years ago

5 0

1. a
2. B
I’m 80% sure

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There are 20 students in the high school glee club. They need to pick four students to serve as

gayaneshka [121]

Answer:

4845 ways

Step-by-step explanation:

To solve this problem we use the formula of combinations

$nCr=\frac{n!}{r!(n-r)!}$

Where n is the total number of students that can be chosen and you choose r from them.

$n = 20\\r = 4$

Note that in this case the order in which the 4 students are chosen does not matter.

Then

$20C4=\frac{20!}{4!(20-4)!}$

$20C4=\frac{20!}{4!*16!}=4845\ ways$

6 0

3 years ago

Read 2 more answers

Determine the vertex of the function f(x) = 3x2 – 6x + 13.

sp2606 [1]

Answer:

Hope this helps

(I answered for the equation f(x)=3x^2 - 6x +13

Step-by-step explanation:

Vertex : (1,10)

1. a= 3, b=-6, c=13

2. none

3. (0,13)

3 0

3 years ago

What is the solution to the equation 3/m+3-m/3-m=m^2+9/m^2-9

Bas_tet [7]

Answer:

no solution

Step-by-step explanation:

If we subtract the left side of the equation, we get ...

$\dfrac{m^2+9}{m^2-9}-\dfrac{3}{m+3}+\dfrac{3}{3-m}=0\\\\\dfrac{m^2+9-3(m-3)-3(m+3)}{(m-3)(m+3)}=0\\\\\dfrac{m^2-6m+9}{(m-3)(m+3)}=0=\dfrac{(m-3)^2}{(m-3)(m+3)}\\\\\dfrac{m-3}{m+3}=0\quad\text{m$\ne$3}$

This equation will equal zero only if m=3, which is disallowed because it makes the denominator zero. Thus, there is no solution.

7 0

3 years ago

What is the area of this figure?

oksano4ka [1.4K]

Answer: i eat fooood bro

Step-by-step explanation:

7 0

2 years ago

A golfer earned the following scores over several rounds of golf: −3, 2, 0, −1, 2, −4. Jamar says these numbers can all be descr

otez555 [7]

Answer:

Jamar is correct.

Step-by-step explanation:

The scores are as follows :

−3, 2, 0, −1, 2, −4.

These numbers include negative, positive and 0 as well. These numbers cannot written in a fractional form. It means they are integers.

Here, amar says these numbers can all be described as integers, while Sophia says they are whole numbers.

It would mean that Amar is correct. Sophia is incorrect because she told that the are whole numbers. Whole numbers are simply number like 0,1,2,3,4....

3 0

3 years ago