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Zinaida [17]
3 years ago
9

Three different maths books are arranged in a line on my table. In how many different orders can these Maths books be arranged.?

 *
in 5 ways
in 6 ways
in 7 ways
________________________________
that means is it horizontally
vertically
up
down
one by one ?
explain with an example
​
Mathematics
2 answers:
ICE Princess25 [194]3 years ago
3 0

Answer:

Step-by-step explanation:

Three options for the first position

Two options for the second position

one option for the third position

3•2•1 = 6 ways

their orders could be

1) ABC

2) ACB

3) BAC

4) BCA

5) CAB

6) CBA

Arturiano [62]3 years ago
3 0

Answer:

Would be 6 ways

Step-by-step explanation

3x2=6

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Please help me with this!
MrRa [10]

Answer:

The volume of the triangular pyramid is (1/3) of the volume of the triangular prism

Step-by-step explanation:

Volume formulas:

Triangular Pyramid Volume = T = (1/3)*h * (base area)

Triangular Prism Volume = P = h * (base area)

P = 3 * T

and T = (1/3)* P

5 0
4 years ago
Question 5<br> Solve 8x + 6 = 42
djyliett [7]

Answer:

x = 4.5

Step-by-step explanation:

8x + 6 = 42 ( subtract 6 from both sides )

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4 0
3 years ago
Read 2 more answers
We wish to construct a 90% confidence interval on the mean of a population known to be normally distributed based on a sample of
sergiy2304 [10]

Answer:

Margin of error = 0.773

Step-by-step explanation:

We are given the following information in the question.

Sample size, n = 20

Sample mean = 8

Sample standard deviation = 2

90% Confidence interval

\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

t_{critical}\text{ at degree of freedom 19 and}~\alpha_{0.10} = \pm 1.729  

Margin of error:

t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,  

1.729(\frac{2}{\sqrt{20}} ) = 0.773  

7 0
4 years ago
V= 1/3 π r² h please solve for h
lapo4ka [179]
To isolate h, you need to move everything else to the other side. the result is
h=3V/(pi*r^2)
6 0
3 years ago
Bryan was given the equation y = -5x + 3. He says the rate of change is 3 and the initial value is -5. Is Bryan correct?
forsale [732]

Answer:

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Step-by-step explanation:

7 0
3 years ago
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