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3 years ago

Properties of operations

Mathematics

2 answers:

iragen [17]3 years ago

8 0

Answer:

There are four (4) basic properties of real numbers: namely; commutative, associative, distributive and identity. These properties only apply to the operations of addition and multiplication. That means subtraction and division do not have these properties built in.

Zanzabum3 years ago

7 0

Answer:

Step-by-step explanation:

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Simplify 2(x+7) 2x + 20 - 2 = x+4 2x + 8

9966 [12]

Answer:

x = -20

Step-by-step explanation:

2(x+7) 2x + 20 - 2 = x+4 2x + 8

2x+14 + 2x + 20 - 2 = x + 4 + 2x + 8

4x +32 = 3x + 12

x = -20

3 0

2 years ago

Guys plz help covert percent into fraction

Vanyuwa [196]

Answer:

4/5, 1/4 & 9/20

Step-by-step explanation:

That is the fractions to those percents in order.

3 0

2 years ago

Select all possible solutions for 2x + 7 ≤ 3x - 5.

laiz [17]

Answer:

x $\geq$ 12

[12,∞]

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Write the slope-intercept form of the equation that fits the conditions.

LenaWriter [7]

Answer:

y = 3x - 17

Step-by-step explanation:

Here is the point-slope form of the equation of a line.

$y - y_1 = m(x - x_1)$

If you are given a slope, m, and a point on the line, (x1, y1), you just plug in the values into the equation above, and you get the equation of the line.

In your problem, you are given a point on the line, (5, -2). Now you need the slope of the line. Your line is perpendicular to the given line. The slopes of perpendicular lines are negative reciprocals. If you know the slope of a line, the slope of its perpendicular is found by flipping the fraction and changing the sign.

The given line has slope -1/3.

Flip -1/3 to get -3.

Now change the sign to get 3.

The slope of the line you need is 3. The line passes through point (5, -2).

Now we use the point-slope equation and we plug in the values we have.

$y - y_1 = m(x - x_1)$

$y - (-2) = 3(x - 5)$

$y + 2 = 3x - 15$

$y = 3x - 17$

8 0

3 years ago

What would change if the unit of measure used to describe the volume of a figure changed from a smaller unit of measure to a lar

MatroZZZ [7]

Fewer numbers of larger units are required to describe the same volume.

a) If the unit of measure changes from a smaller unit to a larger one, the number of units gets smaller

b) The volume doesn't change.

_____

This should be intuitively obvious to anyone with the experience of puting things into containers of any kind. Fewer large containers are required to hold the same amount of stuff that occupies many smaller containers.

_____

Example

54 ft³ = 2 yd³ . . . . the number of units used to describe the volume changes from 54 to 2. The volume is still 93,312 cubic inches. (Note also that both 54 and 2 are smaller than 93,312.)

4 0

3 years ago

Properties of operations​

Properties of operations