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My name is Ann [436]
3 years ago
14

I really need help with distributive property

Mathematics
2 answers:
Strike441 [17]3 years ago
8 0

A quick explanation of distributive property:

Distributive property happens when multiple numbers are on the inside of parenthesis. There is a number on the outside that needs to be multiplied to both of the numbers on the inside of the parenthesis.

Distributive property is used because according to PEMDAS (the order in which you need to do operations in a multi-step equation) You need to do the problem on the INSIDE of the parenthesis first, because that's what the P in PEMDAS stands for. However, you cannot always do the operation on the inside of the parenthesis first. This normally happens because instead of having two numbers inside of the parenthesis, you have  at least one variable (letter that can be any number).

An example is this: (4 + 6) 3. This equation needs to follow PEMDAS, and you need to add the numbers inside the parenthesis first, before you multiply them by the number on the outside. However, if you distributed the 3 by multiplying it to both of the numbers inside the parenthesis BEFORE you added them together, you would get the same answer.  6 + 4 = 10 and 10 x 3 is thirty. 6 x 3 = 18 and 4 x 3 = 12. 12 + 18 = 30. However you shouldn't use distributive property unless you have an equation like this:

(x + 6) 3. Now you can't add x and 6 together, because x is a variable, and variables cannot be added to numbers, but we can use distributive property to multiply to both x and 6. then the equation is:  3x + 18.

docker41 [41]3 years ago
6 0

Answer:

To “distribute” means to divide something or give a share or part of something. According to the distributive property, multiplying the sum of two or more addends by a number will give the same result as multiplying each addend individually by the number and then adding the products together.

Step-by-step explanation:

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State the commutative property of addition using the variables a and b.
Verdich [7]

Answer:

a+b=b+a

Step-by-step explanation:

so 7+4=12 and 4+7=12 so addition is commutative

7 0
4 years ago
Read 2 more answers
Solve for all possible values of x.<br> √60 8x = x - 9
umka2103 [35]

The possible values of x are 3 and 7

<h3>Solving rational expressions</h3>

Given the rational expression below;

√60-8x = x - 9

Square both sides to have:

(60-8x)² = (x-9)²

60-8x = x²-18x+81

Equate to zero to have;

x²-18x+81 - 60 + 8x = 0

x² - 10x + 21 = 0

x² -3x-7x +21 = 0

x(x-3)-7(x-3) = 0

x = 3 and 7

Hence the possible values of x are 3 and 7

Learn more on rational expression here: brainly.com/question/25292194

#SPJ1

4 0
2 years ago
Geometry :))), please help me
amm1812

Answer:

x = -5

Step-by-step explanation:

Since these two triangles are similar, the ratio between the corresponding lengths of each triangle will be the same.

This means the ratio between one side of each triangle (e.g. AD and DC) will be the same as the ratio between a different side of each triangle (e.g. BE and BC).

So, to create an equation for the sides which contain the unknown 'x', we must first find the ratio between the two sides by using a different set of sides.

On the right side we are given 9 for AD, and 18 for DC.

9/18 = 0.5

This means that the extra length of the larger triangle from the smaller one (AD) is half the length of the smaller triangle (DC). We can use this to make an equation for x:

If AD/DC = 0.5, then BE/EC will also = 0.5

BE = x+23

EC = x+41

Therefore:

\frac{x+23}{x+41} = 0.5

Now we can solve by multiplying both sides by x+41 to eliminate the fraction:

x+23=0.5(x+41)

Now we multiply out the brackets and move the terms to different sides:

x+23=0.5x+20.5

0.5x = -2.5

x = -5

And if we substitute the -5 into the equations:

-5+23 = 18

-5 + 41 = 36

We will see that -5 does indeed give us the same ratio between the lengths:

18/36 = 0.5

Hope this helped!

4 0
3 years ago
Write the following equation in standard form: 2/3 a+5a^3 +4a^4 -2a^5
ycow [4]

Answer:

-2a^5+4a^4+5a^3+2/3a ---- apex

Step-by-step explanation:

3 0
3 years ago
At a store, Lauren selected a watermelon that weighed 38.4 ounces.
Mrrafil [7]

Answer:

$3.60

Step-by-step explanation:

1.50 ÷ 16 = 0.09375

there are 38.4 oz in laurens watermelon, so multiply the cost per ounce by the number of ounces to find the answer

0.09375 × 30.4 = 3.6

5 0
3 years ago
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