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3 years ago

PLZ do my techer assighned lession plzzz il give you anything and school is almost over plzzzz help me :(

Mathematics

1 answer:

Mekhanik [1.2K]3 years ago

6 0

Answer: what is it?

Step-by-step explanation:

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What is the value of ?A. 7.5 B. 17.5 C. 60.5 D. 76.5

REY [17]

Answer:

76.5

Step-by-step explanation:

Recall that for any positive integer n

n! = 1*2*3*4*...*n

For example

5! = 1*2*3*4*5 = 120

$\sum_{n=2}^6\frac{(n-1)!}{2}=\frac{(2-1)!}{2}+\frac{(3-1)!}{2}+\frac{(4-1)!}{2}+\frac{(5-1)!}{2}+\frac{(6-1)!}{2}=\\\\=\frac{1!}{2}+\frac{2!}{2}+\frac{3!}{2}+\frac{4!}{2}+\frac{5!}{2}=\frac{1}{2}+\frac{1*2}{2}+\frac{1*2*3}{2}+\frac{1*2*3*4}{2}+\frac{1*2*3*4*5}{2}=\\\\=\frac{1}{2}+1+3+12+60=\boxed{76.5}$

8 0

3 years ago

Read 2 more answers

Fields Billy is driving to see his grandmother along they have to drive 866 miles if they have gone 269 miles so far how much fa

drek231 [11]

597 miles left to go

4 0

3 years ago

The function h is defined by the following rule.<br> Find h(x) for each x-value in the table.

Nana76 [90]

Answer:

64, 8, 1, 1/8

Step-by-step explanation:

So for -2 you have h(-2) = $(\frac{1}{8})^{-2}$ to make the power a +2 just flip it so (8/1) which is 8, so now you have $8^{2}$ = 64

Do the same for -1 so h(-1) = $(\frac{1}{8})^{-1}$ = $8^{1}$ = 8

Anything to the zero power is = 1 so h(0) = 1

(1/8)^1 is just $\frac{1}{8}$

8 0

3 years ago

A fruit company delivers its fruit in Two types of boxes large and small a delivery of 7 large boxes and 9 small boxes has a tot

Marina86 [1]

i don't have an answer sorry.

3 0

3 years ago

I need some help!!!!!!!!!!!!!!!!!!!!!!!

vampirchik [111]

Step-by-step explanation:

We are dealing with theoretical probability. This means that our probability of said outcome is

$\frac{x}{y}$

where x is the outcome we want, and y is the total number of outcomes possible.

28. There is 3 triangles out of 6 polygons so the probability is 1/2.

29.There is 1 Pentagon so the probability is 1/6.

30. This is a complement to question 28. A complement is the inverse of the problem. A complement and its original add to 1 so the probability of both getting a triangle is 1/2.

31. There is 4 non quadraletrial so the probability is 2/3.

32. There is 3 figures that has more sides than three so 1/2 is the probability.

33.There is only multi right angles figures so 1/2 is the probability.

34. There is 30 days in April so the probability it's the 29th is

$\frac{1}{30}$

35. There is 31 days in July and 15 days after the 16th. So the probability

$\frac{15}{31}$

3 0

3 years ago