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Lady bird [3.3K]
3 years ago
7

Please help. Is algebra. PLEASE HELP NO LINKS OR FILES

Mathematics
1 answer:
hram777 [196]3 years ago
5 0
1. X=37.c squared bjdhdbdjdufgdbdjdhdgbdjxjxhdbfkdudgbdkdidtdbdjd
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Evaluate 0.65 x 280 - 2/9 of 513
kondor19780726 [428]

Answer:

181.99956681

Step-by-step explanation:

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7 0
3 years ago
According to The Wedding Report, Inc., the mean cost for a wedding in the United States is $28732 (as of November 2008). Suppose
Stella [2.4K]

Answer:

Following are the solution to the given points:

Step-by-step explanation:

X = \text{cost of wedding}\sim \text{Normal}\ (\mu = 28732, \sigma= 1500)\\\\

For point a:

Probability\ = 0.00000359\\\\ \text{(Using Excel function:} =NORMDIST(22000,28732,1500,1)).

For point b:

Probability \ = 0.014678\\\\\text{(Using Excel function:} =1-NORMDIST(32000,28732,1500,1))\\\\

For point c:

Probability\ = 0.794614436 \\\\

\text{(Using Excel function:} \\=NORMDIST (30000,28732,1500,1)-NORMDIST(25000,28732,1500,1))\\\\

For point d:

Q_1 = 27720.26537 \\\\\text{(Using Excel function:} =NORMINV(0.25,28732,1500)) \\\\Q_3 = 29743.73463 \\\\\text{(Using Excel function:} =NORMINV(0.75,28732,1500)).

For point e:

IQR = Q_3 - Q_1 = 29743.73463 - 27720.26537 = 2023.469251.

For point f:

Top\  10\% = 30654.32735 \\\\\text{(Using Excel function:} =NORMINV(0.9,28732,1500)).

5 0
3 years ago
Subtract <br> -3 3/8 - 7/8
In-s [12.5K]

Answer:

-4 1/4 When you subtract -3 3/8 from 7/8 you will get this answer.

Hope this helps

8 0
3 years ago
Read 2 more answers
How 8/33 into a decimal
Tanzania [10]
To write 8/33 as a decimal you have to divide numerator by the denominator of the fraction. 
<span>We divide now 8 by 33 what we write down as 8/33 and we get 0.24242424242424 </span>

<span>And finally we have: </span>
8/33 as a decimal<span> equals </span><span>0.24242424242424</span>
5 0
3 years ago
Read 2 more answers
15. The floor plan of the basement of a shopping centre is drawn to a scale of 1:400.
maks197457 [2]

Answer:

  • 4 hectares

Step-by-step explanation:

<u>The scale factor is:</u>

  • k = 1/400

Applied to the area we consider k² as the area is the product of two dimensions.

<u>Find the actual area:</u>

  • 0.25 m² : (1/400)² =
  • 0.25 m² * 160000 =
  • 40000 m² =
  • 40000 * 1/10000 hectares =
  • 4 hectares
6 0
3 years ago
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