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3 years ago

Which equation shows the commutative property of addition?

2 answers:

8 0

It's not B because a n(n) is always times..
It's not C because that's an Associative property..
And it is not D because that is an Identity property..
So your answer is A.

oksian1 [2.3K]3 years ago

5 0

Answer:

The equation shows the commutative property of addition is 4 +3 = 3 + 4 .

Option (A) is correct.

Step-by-step explanation:

Commutative property of addition

The commutative property for addition states that

a + b = b + a .

Where a, b are any number.

thus

this above condition is satisfied by equation

4 + 3 = 3 + 4

7 = 7

Therefore Option (A) is correct.

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FACTOR....<br>x^2 + 10× - 2400 = 0

Vikki [24]

Answer:

x= -5 + 5 $\sqrt{97}$ , x= -5 - 5 $\sqrt{97}$

Step-by-step explanation:

Since this quadratic is set to zero, we can use the quadratic formula to solve this.

x^2 + 10x - 2400 = 0

Quadractic formula = x= -b +- $\sqrt{b^2 - 4ac}$ /2a

For this equation:

a= 1, b=10, c=-2400

Plug these numbers into the equation and solve.

x= -10 +- $\sqrt{10^2 - 4(1)(-2400}$ )/2(1)

x= -10 +- $\sqrt{100 + 9,600}$ /2

x= -10 +- $\sqrt{9,700}$ /2

x= -10 +- $\sqrt{2^2 * 5^2 * 97}$ /2

x= -10 +- 5 * 2 $\sqrt{97}$ /2

x= -10 +- 10 $\sqrt{97}$ / 2

Divide by 2.

x= -5 +- 5 $\sqrt{97}$

Answer:

x= -5 + 5 $\sqrt{97}$ or x= -5 - 5 $\sqrt{97}$

5 0

3 years ago

Just part a I’ve done b. <br> Photo provided.

Rasek [7]

Answer:

Step-by-step explanation:

${2}^{x} = \frac{1}{32}$

${2}^{x} = \frac{1}{ {2}^{5} }$

${2}^{x} = {2}^{ - 5}$

$x = - 5$

6 0

3 years ago

List the next 4 multiples of the unit fraction . 1/2 ___,___,___,___,

const2013 [10]

½ × 2 = 1
½ × 3 = 3/2
½ × 4 = 2
½ × 5 = 5/2

8 0

3 years ago

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Paladinen [302]

Answer: the one that ends with 30. D the fourth one

Step-by-step explanation:

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3 years ago

3x + 10 >28 inequality

ratelena [41]

Answer:

x > 6

Step-by-step explanation:

Given

3x + 10 > 28 ( subtract 10 from both sides )

3x > 18 ( divide both sides by 3 )

x > 6

5 0

3 years ago

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