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Stells [14]
3 years ago
15

Find the least common multiple of each set of numbers 9,12,15

Mathematics
1 answer:
Likurg_2 [28]3 years ago
4 0
The least common multiple of 9,12,15 is 180
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Identify the property used in each of the steps​
suter [353]

Answer: (1) Distributive (2) Commutative (3) Associative

              (4) Commutative  (5) Addition Property of Equality

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

1) Distributive

(x + 4) was multiplied by 3 and (2x - y) was multiplied by 5

2) Commutative

10x and -5y switched places

3) Associative

The parenthesis changed partners

4) Commutative

(12y - 5y) and 10x switched places

5) Addition Property

Like terms were added together --> 3x + 10x = 13x and 12y - 5y = 7y

5 0
3 years ago
What is an equation that is perpendicular to the line y = -2?
finlep [7]

Answer:

y=2  is a line parallel to the x axis that passes through the point (0,2)

A line perpendicular to it would any line that is parallel to the y axis, which crosses the x axis at any point.

Step-by-step explanation:

Perpendicular lines are always found by reciprocating the negative value of the slope in question.

The slope in this case, in y = 2, is zero. You have a horizontal line hovering at the value “2” in the y-dimension, parallel to the x dimension. You can tell the slope is zero since there is no coefficient value paired with “x” so you can assume that since value multiplied by 0 is zero, the same instance has been performed in favor of a dearth of “x.”

Alright. So slope zero. The negative of zero is zero, since zero is neutral. It is neither positive nor negative (though some people tend to see it as positive for reasons irrelevant to your question. Will be answered at your request).

If you take the reciprocal of zero, it becomes undefined because what was once a numerator (0 divided by any number except 0, because then it would already be undefined) becomes a denominator (any numerator divided by 0 becomes undefined by default, as explained already). So now you can assume that the new line is undefined. This means that it is vertical! The only line that does not pass as a function. And it makes sense. A slope of 0 is 90° from a slope of no defined value, which will take on an unknown x-value since its location is not specified.

7 0
3 years ago
Original price of a sofa: $620.00<br> Discount: 25%, Selling Price?
Aleks [24]

Answer:

x=155

Step-by-step explanation:

I hope the pictures are clear and you get the concept!

3 0
3 years ago
-4x – 4y = -8<br> -2x + 4y = –10
shusha [124]

Answer:

–10

Step-by-step explanation:

8 0
3 years ago
What is the domain of a function?
Gnom [1K]
The domain of a function is the set of all possible x-values which will make the function “work”, and will output real
y-values
4 0
3 years ago
Read 2 more answers
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