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Pani-rosa [81]
3 years ago
11

Are these all correct there part 1, 2,3,and 4

Mathematics
1 answer:
kipiarov [429]3 years ago
3 0

Answer:

yes all are right

Step-by-step explanation:

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Urgent please!!! I really don’t understand it, tysm to anyone who can answer thissss :))))
Tomtit [17]

Given:

The frequency distribution table.

To find:

The mean average score on a test.

Solution:

The frequency distribution table is

Marks (x_i)                   Frequency(f_i)                  f_ix_i

     x                                     a                               xa

     y                                     b                               yb

     z                                     c                               zc

  Sum                              a+b+c                          xa+yb+zc

Now, the mean average score on the test is

Mean=\dfrac{\sum f_ix_i}{\sum f_i}

Mean=\dfrac{xa+yb+zc}{a+b+c}

Therefore, the mean average score on the test is \dfrac{xa+yb+zc}{a+b+c}.

3 0
2 years ago
PLEASE HELP ME PLEASE
il63 [147K]
Looks like you meant to write (p/q)³ if so it's power of a quotient
3 0
3 years ago
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Can someone please help my with my work.
Aleksandr [31]

Answer:

X+0.375=y

Step-by-step explanation:

6 0
3 years ago
Robert is looking at purchasing bonds to diversify his portfolio and must decide which type of bonds to purchase. Which type of
dedylja [7]

Answer:

I just took the test and it is municipal bonds.

Step-by-step explanation:

3 0
3 years ago
A high school club has a performance, with 800 tickets to sell. Tickets are $6 before the day of the show, and $9 on the day of
sweet-ann [11.9K]
A) Let x = number of presale tickets 
<span>y = number of day of show tickets </span>

<span>x + y =< 800 </span>
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<span>b) 6x + 9y >=5000 </span>
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<span>y >= 262.2 </span>
<span>263 tickets </span>

<span>440 advance purchase tickets added to 263 day of show tickets is 703 tickets, which is below the 800 ticket maximum.</span>
4 0
3 years ago
Read 2 more answers
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