MATHEMATICS HIGH SCHOOL

Solve 2(4r+6)=2/3(12r+18

Answers

Answer 1
Answer:

The simplified form of the expression :

8r + 12 = 8r + 12

Given,

2(4r+6)=2/3(12r+18)

Here,

2(4r+6)=2/3(12r+18)

Simplifying the above expression :

Multiply 2 inside the bracket,

8r +12 =  2/3(12r+18)

Multiply 2/3 inside the bracket,

8r + 12 = 8r + 12

Hence both LHS and RHS are equal .

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Answer 2
Answer:     2(4r + 6) = ²/₃(12r + 18)
2(4r) + 2(6) = ²/₃(12r) + ²/₃(18)
       8r + 12 = 8r + 12
     - 8r          - 8r
              12 = 12

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Solve -37 n = -56 for n

Answers

-37 n = -56
n=-56/-37
n=56/37 or ~1.51

State whether set A and B are equal, equivalent, both, or neither. A = {9, 8, 7} B = {8, 9, 10}

Answers

They're just equivalent.

Factorise this
72-6x

Answers

72-6x Factorised is 6(12+-1x)

Tania is going to make soup. She combines 225 grams of water with 300 grams of condensed soup. Tania then adds 50 grams of celery and 10 grams of carrots. How much soup does Tania have before she warms it on the stove?

Answers

Answer:

375 grams of soup sir I hope this helps

Final answer:

Tania has a total of 585 grams of soup before she warms it on the stove. This is found by adding the weight of all the ingredients she used: water (225g), condensed soup (300g), celery(50g), and carrots(10g).

Explanation:

The subject of this question is about adding quantities, which falls under Mathematics. Tania combines multiple ingredients to make soup. She uses 225 grams of water, 300 grams of condensed soup, 50 grams of celery and 10 grams of carrots. To find out the total amount of soup she has before warming it up, you simply need to add up all these amounts. So, 225g (water) + 300g (condensed soup) + 50g (celery) + 10g (carrots) = 585 grams. Therefore, Tania has 585 grams of soup before she warms it up on the stove.

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Give the numerical coefficient of the term -16m to the 2 power

Answers

It depends on what the question is asking for... If the problem looks like this: (-16m)^2 would equal 256*m^2. Since they want the numerical coefficient, the answer would be 256.

To the second power means that you're multiplying each number/variable within the parenthesis two times. In essence, we have (-16m)^2 = (-16*-16*m*m). -16*-16=256 and m*m=m^2. We get 256*m^2. Good luck!

If the standard deviation for a data set is equal to 9, then the variance for that data set is equal to___

Answers

81 because standard deviation is equal to the square root of the variance.

Final answer:

In a data set, if the standard deviation is given as 9, the variance would be the square of that which equals to 81.

Explanation:

The standard deviation and variance are closely related in statistics. Standard deviation is the square root of the variance. Therefore, if the standard deviation for a data set is given as 9, then the variance would be the square of that value.

To calculate this, you would do the following:

  1. Take the standard deviation which is 9.
  2. Square the standard deviation: 9*9 = 81.

So, if the standard deviation for a data set is 9, then the variance for that data set is equal to 81.

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