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3 years ago

Please help i have an F right now

Mathematics

1 answer:

AnnZ [28]3 years ago

7 0

Answer:

Step-by-step explanation:

If you add up all of those, you get 24. Then you divide by 6. 24/6 = 4.

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RSM wants to send four of its 18 Math Challenge teachers to a conference. How many combinations of four teachers include exactly

tatiyna

Answer:

1120 combinations of four teachers include exactly one of either Mrs. Vera or Mr. Jan.

Step-by-step explanation:

The order in which the teachers are chosen is not important, which means that the combinations formula is used to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

In this question:

1 from a set of 2(Either Mrs. Vera or Mr. Jan).

3 from a set of 18 - 2 = 16. So

$C_{2,1}C_{16,3} = \frac{2!}{1!1!} \times \frac{16!}{3!13!} = 1120$

1120 combinations of four teachers include exactly one of either Mrs. Vera or Mr. Jan.

4 0

3 years ago

Cos 105cos 15 <br> what’s the answer to this

andriy [413]

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7 0

3 years ago

two pounds of dried cranberries cost $5.04, 3 pounds of dried cranberries cost $7.56, and 7 pounds of dried cranberries cost $17

yanalaym [24]

5.04 divided by 2 =y
x=number of ponds for any equation you make up

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3 years ago

Describe how the change affects the area of the figure.

Veronika [31]

Answer:

There is no change.

Step-by-step explanation:

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3 years ago

If JM = 5x – 8 and LM = 2x – 6, which expression represents JL?

Delvig [45]

The green line is LM
The red line is JM
The blue point is at the coordinates (2/3, -14/3)

you'll have to excuse the way my graph looks. my graphing application on my computer is weird

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2 years ago