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Tju [1.3M]
2 years ago
12

Identify which of the following questions

Mathematics
1 answer:
slava [35]2 years ago
5 0

Answer:

a and e I believe

Step-by-step explanation:

this is because to answer those questions you need to survey multiple different people, you'd need more than just an answer if you were to find the average of something. For the other questions they're very direct and only have one answer. Therefore you wouldnt need a statistical process for the other questions and only for a and e.

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4 letters are typed, without repetition. What is the probability that all 4 will be vowels? Write your answer asa percent. Round
Marysya12 [62]

There are 26 letters in the alphabet, 5 are vowels, therefore, the probability of choosing a vowel the first time is:

\frac{5}{26},

and the second time is:

\frac{4}{25}\text{.}

Continuing with this reasoning, we get that the probabilities each time are:

\frac{5}{26},\frac{4}{25},\frac{3}{24},\frac{2}{23}\text{.}

Finally, the probability that you get all vowels is the product of the probabilities:

\frac{1}{2990}\text{.}

Writing the above result as a percentage we get:

0.033\%.

Answer:

0.033\%\text{.}

3 0
10 months ago
If a rectangular prism has a length, width, and height of 3/8 centimeter, 5/8 centimeter, and 7/8 centimeter, respectively , the
sveticcg [70]

Answer:

<h3>The volume of the prism is cubic \frac{105}{512} centimeters.</h3><h3>Step-by-step explanation:</h3><h3>Given that a rectangular prism has the following dimensions:</h3><h3>length, l=\frac{3}{8}cm \\\\width, w=\frac{5}{8}cm \\\\height, h=\frac{7}{8}</h3><h3>We know that a rectangular prism of length 'l', width 'w' and height 'h' is given by</h3><h3>V=w*h *l.</h3><h3>Therefore, the volume of the given prism will be</h3><h3>V\\\\=w*h*l\\\\=\frac{3}{8}*\frac{5}{8}*\frac{7}{8} \\\\=\frac{105}{512}cm^{3}.</h3><h3>Thus, the volume of the prism is \frac{105}{512} cubic centimetres.</h3>
8 0
3 years ago
How many feet are in 84 inches
Drupady [299]
Since there are 12 inches in 1 foot you have to divide 84 by 12

84 divided by 12 is 7

So, there are 7 feet in 84 inches
7 0
3 years ago
Kyra is finding the area of the circle. She cuts the circle into equal sectors and arranges them into the shape of a parallelogr
Vinvika [58]
Option 1. 9.42×3 in² is the correct option.


Step-by-step explanation:

As it has been given in the question that Kyra has arranged the circle sectors in the shape of a parallelogram.
Side of a parallelogram = 9.42 in. and height of this parallelogram is 3 in.
Now we know the formula of the area of a parallelogram = length × height
Area = 9.42 × 3 in².
So the area of this arrangement of the sectors = 9.42×3 in².
8 0
3 years ago
Read 2 more answers
What is the inverse of f(x)=(x+6)2 for x≥–6 where function g is the inverse of function f?
alexdok [17]

Answer:

Sorry my mistake, it is actually worded as "f(x) =(x+6)^2"

Explanation:

y

=

(

x

+

6

)

2

with  

x

≥

−

6

, then

x

+

6

is positive, so

√

y

=

x

+

6

And  

x

=

√

y

−

6

for  

y

≥

0

So the inverse of  

f

is

g

(

x

)

=

√

x

−

6

for  

x

≥

0

8 0
2 years ago
Read 2 more answers
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