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Marysya12 [62]
2 years ago
9

What is the missing number that will complete the factorization? 6 8 12 24.

Mathematics
1 answer:
gregori [183]2 years ago
3 0

The missing number or factor which can replace the question mark will be 6.

The given table is:

            a          ?

a           a^2         6a

2          2a         12

It is required to find the factor which will replace the question mark.

<h3>How to find the missing number or factor?</h3>

In the first row, the factor is a. So, after diving a from the row, the remaining part will be,

a and 6.

Now, in the second row, the factor is 2. So, after diving 2 from the row, the remaining part or quotient will be,

a and 6.

In the second column, 6 is remained after diving by the row factor.

Therefore, the missing number or factor which can replace the question mark will be 6.

For more details about factors, refer to the link;

brainly.com/question/6810544

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2/5 + k/4 = 9/10 (solve with work)
Alla [95]

The LCD of 2/5 + k/4 = 9/10 is 20. Applying this LCD, we get:


8 + 5k = 18. Subtracting 8 from both sides: 5k = 10. Then k = 10/5, or k = 2.

6 0
3 years ago
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Twice the sum of a number and 8 is the same aa the difference of 3 and the number. Find the equation that could be used to find
Nezavi [6.7K]

Answer:

f your number is x, then the difference between that number and 8 would be x-8. Twice that is 2(x-8)

 

Three times the sum of the number and 3 would be 3(x+3). So, you get the equation:

 

2(x-8)=3(x+3)

2x-16=3x+9

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3 years ago
8x-5y=21 simultaneous linear equation<br>2x+9y=-5
olya-2409 [2.1K]

Answer:

x=2 and y=-1

Step-by-step explanation:

If two equations are given, we can solve one of the equation in terms of single variable and put it in the other equation which will further give the value of x and y.

For the given equations:

8x-5y=21              Equation:1

2x+9y=-5             Equation:2

Solving equation multiply equation 2 with 4 on both the sides

8x+36y=-20        Equation 3

Subtracting Equation:3 from Equation:1

8x-5y-(8x+36y)=21-(-20)\\8x-5y-8x-36y=21+20\\-41y=41\\y=-1

Putting value of 'y' in Equation:2 which will give the value of x

2x+9y=-5\\2x+9(-1)=-5\\2x-9=-5\\2x=4\\x=2

8 0
3 years ago
An isotope decays at a rate of -0.0049% per year. Find the half life. (show the work)
cricket20 [7]

Answer:

  14,146 years

Step-by-step explanation:

The annual multiplier is (1 -0.0049%) = 0.999951. We want to find the number of times this needs to be multiplied to make the product 1/2.

  0.5 = 0.999951^t

  log(0.5) = t·log(0.999951)

  log(0.5)/log(0.999951) = t ≈ 14,145.514

The half-life is about 14,146 years.

7 0
3 years ago
Jason built a model of the Pentagon for a social studies project. He made each outside wall 33 centimeters long. What is the per
sammy [17]

Answer:

165 centimeters

Step-by-step explanation:

A pentagon has 5 sides

Each side is 33 centimeters long

5 x 33 = 165

8 0
3 years ago
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