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Likurg_2 [28]
3 years ago
6

Write and equation on/ three times the sum of six and a number is 69

Mathematics
2 answers:
Liono4ka [1.6K]3 years ago
7 0

Answer:

Step-by-step explanation:

3(x + 6) = 69

3x + 18 = 69

3x  = 51

x = 17

maw [93]3 years ago
4 0

Answer:

3(6 + a) = 69

Step-by-step explanation:

Let the unknown number be a

3(6+a) = 69

18 + 3a = 69

3a = 69-18

3a = 51

a = 51/3

a = 17

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What is the sum of 2/11, 7/11, and 1/11
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If an event has one outcome or a collection of outcomes , the event is a ___ event. (10 points) A.complementary B.sample space C
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8 0
4 years ago
The six-digit number 63X904 is an even multiple of 27. What does the digit X represent?
olga2289 [7]
Let's solve this problem step-by-step.

STEP-BY-STEP SOLUTION:

To begin with, let's establish that ( x ) can equal to any number from 0 to 9.

Meaning, that ( x ) is equal to one of the following: 0, 1, 2, 3, 4, 5, 6, 7, 8 or 9.

Now that we know which values ( x ) can equal to, we will simply substitute each of the numbers as potential values of ( x ) into the six-digit number and divide it by 27 to see if it is a multiple of 27.

If X = 0

= 63X904 / 27

= 630904 / 27

= Not a whole number

Therefore, X is not equal to 0.

If X = 1

= 63X904 / 27

= 631904 / 27

= Not a whole number

Therefore, X is not equal to 1.

If X = 2

= 63X904 / 27

= 632904 / 27

= Not a whole number

Therefore, X is not equal to 2.

If X = 3

= 63X904 / 27

= 633904 / 27

= Not a whole number

Therefore, X is not equal to 3.

If X = 4

= 63X904 / 27

= 634904 / 27

= Not a whole number

Therefore, X is not equal to 4.

If X = 5

= 63X904 / 27

= 635904 / 27

= 23552

ANSWER:

Therefore, the answer is:

X = 23, 552

Please mark as brainliest if you found this helpful! :)
Thank you <3
8 0
3 years ago
16x squared -1=0<br> please help
Xelga [282]
16x^2 -1 = 0
16x^2 = 1
x^2 = 1/16
x= 1/4
4 0
3 years ago
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