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Vitek1552 [10]
3 years ago
11

The average of six numbers is 4. if the average of two of those numbers is 2, what is the average of the other four numbers

Mathematics
2 answers:
Otrada [13]3 years ago
7 0
The average of the other four numbers must be six because (6 + 2 ) ÷ 2 = 4
Hope this helps!
maksim [4K]3 years ago
7 0

Answer:5

Step-by-step explanation:

Let the 6 numbers be a,b,c,d,e,f

a+b+c+d+e+f ÷6 = 4 (given)

So a+b+c+d+e+f = 6×4 = 24 ------>1

a+b÷2 =2(given)

So a+b = 4 ------->2

so from equation 1 and 2

c+d+e+f= 24 - 4 = 20

So the average of 4 numbers = 20/4 = 5

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I would buy my tea from Britain.

7 0
4 years ago
10. A trapezold has a base of x and a helght of 3 units. If there is also a square with sides measuring x,
Nookie1986 [14]

Answer:

I Think 0x2 Or 4x + x3 I'm not 100% Sure

Step-by-step explanation:

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6 0
3 years ago
A multiple-choice test contains 10 questions. There are four possible answers for each question. a) In how many ways can a stude
AnnZ [28]

Answer :

<h3>4^{10} <u> =1048576 ways </u> a student can answer the questions on the test if the student answers every question.</h3>

Step-by-step explanation:

Given that a multiple-choice test contains 10 questions and there are 4 possible answers for each question.

∴ Answers=4 options for each question.

<h3>To find how many ways  a student can answer the given questions on the test if the student answers every question :</h3>

Solving this by product rule

Product rule :

<u>If one event can occur in m ways and a second event occur in n ways, the number of ways of two events can occur in sequence is then m.n</u>

From the given the event of choosing the answer of each question having 4 options is given by

The 1st event of picking the answer of the 1st question=4 ,

2nd event of picking the answer of the 2nd question=4 ,

3rd event of picking the answer of the 3rd question=4

,....,

10th event of picking the answer of the 10th question=4.

It can be written as  by using the product rule

=4.4.4.4.4.4.4.4.4.4

=4^{10}

=1048576

<h3>∴ there are 1048576 ways a student can answer the questions on the test if the student answers every question.</h3>
3 0
3 years ago
2(5-8x-9x)+4(7x+7)=14
xenn [34]

Step-by-step explanation:

if you are solving for X' it is X=4

8 0
3 years ago
Pls help me with this
Julli [10]

Answer:

8125, im pretty sure this is right

Step-by-step explanation:

4 0
3 years ago
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