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Nikolay [14]
3 years ago
13

The sum of three numbers is 27 the second number is three times the first while the third is twice the first find their average

Mathematics
1 answer:
Leviafan [203]3 years ago
6 0

Answer:

9

Step-by-step explanation:

x = first number

3x = second number

2x = third number

27 = x + 3x+ 2x

27 = 6x

x=4.5 (first number)

3(4.5) = 13.5 (second number)

2(4.5) = 9 (third number)

(4.5 + 13.5 + 9) /3 = 9

Wow after doing all that I realized that all you had to do was 27/3 since there's 3 numbers.

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Pls help I don’t understand
dmitriy555 [2]

The answer is c. \frac{46}{9}

a. \frac{11}{5}=2.2 (2.2≠5.11) (2.2 is not equal to 5.11)

b. 5\frac{1}{8}=\frac{5}{8} or 0.625 (0.625≠5.11) (0.625 is not equal to 5.11)

c. \frac{46}{9} =5.11 (5.11=5.11) (5.11 is equal to 5.11)

Therefore c is the answer

4 0
3 years ago
True or False??<br><br> In the following number, the 8 is in the hundreds place.<br><br> 15,829
Ganezh [65]

Answer:

your answer is true.

Step-by-step explanation:

As 8 is in the hundredth place.

8 0
3 years ago
Read 2 more answers
Write an expression to represent volume of the composite figure.
ohaa [14]
V1 + V2

V1 = 1*2*1 = 2

V2 = 5*2*2 = 20

V1 + V2
2+20
22
7 0
3 years ago
Make 6 prime numbers using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9 once each. ​
Fed [463]

Answer:

29, 19, 11, 77, 37, 23. I made prime number from given digit.

I hope you got it .

7 0
3 years ago
xialoli was estimating the difference between two positive numbers x and y (where x&gt;y). First she rounded x up by a small amo
AleksandrR [38]

Remark

This is an excellent question. Estimation is a powerful skill to have. People should always shop using estimates. Try it to see what happens.

x = 11.7 which rounds up to which we will call x1 and that is 12

y = 6.03 which round down to 6 which we will call y1 and that is 6

Now x - y = 5.67

If you do the rounded subtraction x1 - y1 = 12 - 6 = 6

The estimate is not zero. D is not correct.

There is enough information E is not the answer.

B is wrong, her estimate is larger than x - y

C is wrong the two subtractions are not equal.

A is correct and always will be no matter what numbers are chosen

A <<<< Answer

5 0
3 years ago
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