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2 years ago

The (m-3)^2 is equivalent to 1. m^2 + 9 2. m^2 - 9 3. m^2 - 6m + 9 4. m^2 - 6m - 9

Mathematics

1 answer:

Deffense [45]2 years ago

5 0

The value of the expression (m-3)² will be m² - 6m + 9. The correct option is 3.

<h3>What is an expression?</h3>

Expression in maths is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

The value of the expression (m-3)² will be solved by using the quadratic formula as below:-

( a - b )² = a² -2ab + b²

(m-3)² = m² - 2 x 3 x m + 9

(m-3)² = m² - 6m + 9z

Therefore, the value of the expression (m-3)² will be m² - 6m + 9. The correct option is 3.

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3 years ago

Which ordered pair is a solution of the system of a linear equation below? Y= 1/4x +2 y= x-1

Tanya [424]

Answer: x = 4, y = 3

<u>Step-by-step explanation:</u>

$y=\dfrac{1}{4}x+2$ and $y=x-1$

Using substitution method we get:

$x-1=\dfrac{1}{4}x+2\\\\\text{subtract}\ \dfrac{1}{4}x\ \text{from both sides}\rightarrow \dfrac{3}{4}x-1=2\\\\\text{add 1 to both sides}\rightarrow \dfrac{3}{4}x=3\\\\\text{multiply both sides by 4}\rightarrow 3x=12\\\\\text{divide both sides by 3}\rightarrow x=4\\\\\text{Insert x = 4 into one of the original equations to solve for y:}\\y=x-1\\y =(4)-1\\y=3$

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3 years ago

Which number has an 8 that is 1 tenth the value of the 8 in 78

yKpoI14uk [10]

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3 years ago

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levacccp [35]

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1 and 3

Step-by-step explanation:

This is because these are vertical angles so anything on one side is the same on the other in these words Congruent. Good luck.

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3 years ago

Use the digits 1,2,3 and 4 once each to get the largest answer possible

sukhopar [10]

Answer:

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Step-by-step explanation:

This is the answer because:

1) We know that if the number has to be big therefore, we have to put 4 in the thousands place because 4 is bigger than 3, 2, and 1

2) Next, 3 is the other biggest number, for that reason 3 is in the hundreds place

3) Then, 2 is the other bigger number; therefore, the tens place is 2

4) Finally, the last number remaining is 1, which is in the ones place

Therefore, the answer is 4,321

Hope this helps!

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3 years ago