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2 years ago

11

Explain commutative property of integers under subtraction

1 answer:

vladimir1956 [14]2 years ago

3 0

Answer:

The commutative property states that the numbers on which we operate can be moved or swapped from their position without making any difference to the answer. The property holds for Addition and Multiplication, but not for subtraction and division. Addition. Subtraction.

Step-by-step explanation:

The commutative property states that the numbers on which we operate can be moved or swapped from their position without making any difference to the answer. The property holds for Addition and Multiplication, but not for subtraction and division. Addition. Subtraction.

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2 years ago

Solve 4 + 2 sinx= 14-8 sinx for 0° ≤ x ≤ 180

Oduvanchick [21]

<h2>Answer:</h2>

<u>x= 90°</u>.

<h2>Step-by-step explanation:</h2>

<h3>1. Write the expression.</h3>

$4 + 2 sin(x)= 14-8 sin(x)$

<h3>2. Subtract "4" from both sides of the equation.</h3>

$-4+4 + 2 sin(x)= 14-8 sin(x)-4\\ \\2 sin(x)= 10-8 sin(x)$

<h3>3. Add "8sin(x)" to both sides of the equation.</h3>

$2 sin(x)+8 sin(x)= 10-8 sin(x)+8 sin(x)\\ \\10 sin(x)= 10$

<h3>4. Divide both sides by 10.</h3>

$\frac{10 sin(x)}{10} = \frac{10}{10} \\ \\sin(x)=1$

<h3>5. Apply the arcsin of sin^-1 to both sides of the equation.</h3>

$arcsin(sin(x))=arcsin(1)\\ \\x=90$

<h3>6. Conclude.</h3>

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1 year ago

How many times does 25 go into 63

statuscvo [17]

Answer:

2 times

Step-by-step explanation:

25 x 2 is 50. And 25 x 3 is 75, and 75 is larger then 63.

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2 years ago

What is the greatest common factor of 18 and 54?

Shtirlitz [24]

Answer:

18

Step-by-step explanation:

18=2×3×3

54=2×3×3×3

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2 years ago

What is the cosine ratio of ZZ?

atroni [7]

Answer:

$\sf \cfrac{3}{5}$

Step-by-step explanation:

$\sf cos(z)=\cfrac{adjacent\: side \: of \:\angle z}{hypotenuse}$

$\sf cos(z)=\cfrac{12}{20}$

$\sf cos(z)=\cfrac{3}{5}$

Hope it helps!

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2 years ago