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elena55 [62]
2 years ago
7

You are supposed to distribute to only one term (the first).

Mathematics
2 answers:
Tom [10]2 years ago
6 0

Answer:

true

Step-by-step explanation:

There is no distribution (unless you count substitution) in the second set of terms.

Edit: I think I get what your question is now. You are supposed to distribute to every term inside the parenthesis (false)

algol [13]2 years ago
4 0
True, follow PEMDAS
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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
2 years ago
Whats one third of 39,900
o-na [289]
1/3 of 39,900 equals 1/3*39900

(1/3)*(39900/1)= 39900/3

39900/3= 13300

Final answer: 13,300
6 0
3 years ago
$5000 at a 5% interest for 3 1/2 years
larisa [96]
5,875 is the answer
4 0
3 years ago
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valentina_108 [34]

The answer is the option A, which is: A. Equilateral triangles.

The explanation for this answer is shown below:

By definition, a tetrahedron is a solid in three dimensions that has: six sides, four vertices and four triangular faces. These faces are equilateral triangles, which means that all the sides are equal and all the interior angles measure 60 degrees.

The tetrahedron is also called "triangular pyramid".

4 0
3 years ago
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aleksandr82 [10.1K]

Answer:

a=7

Step-by-step explanation:

Given,

6a-7=3a+14

or,6a-3a=14+7

or,3a=21

or,a=7 [ANSWER]

6 0
3 years ago
Read 2 more answers
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