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Lelechka [254]
3 years ago
13

How to use distributive property to remove the parentheses

Mathematics
1 answer:
GrogVix [38]3 years ago
4 0

Answer: Multiply the number(s) outside the parenthesis by the numbers inside the parenthesis. The distributive property is expressed in math terms as the following equation: a(b + c) = ab + ac.

Step-by-step explanation:

2(3 + 4) - 12 Multiply 2 times 3 first.

2 x 3 = 6.

Then multiply 2 times 4.

2 x 4 = 8.

Remember our equation earlier? a(b + c) = ab + ac.

In this case, 2 is a, 3 is b, and 4 is c.

So 2[a](3[b]+4[c]) = 2[a](3)[b] + 2[a](4)[b].

Let's rewrite this in a way that can be read better.

2(3+4) - 12 = 2(3) + 2(4) - 12.

2(3+4) - 12 = 6 + 8 - 12.

2(3+4) - 12 = 14 - 12.

2(3+4) - 12 = 2.

Hope this helped! :)

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tensa zangetsu [6.8K]

5x - 6  \leqslant  14 \:  \: 5x \leqslant 20 \: x \leqslant 4

3 0
3 years ago
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4. What is the range of the graph below
nata0808 [166]

Answer:

R: (Y| E R {-4<=y<=-1})

Step-by-step explanation:

Just look at where the graph is limited to vertically, in this case -1 and -4.

4 0
3 years ago
Help with math please.
lys-0071 [83]
Hello,

The rate of change is the slope (rise/run, y/x). To find that, we use the equation (y2-y1) over (x2-x1). It means take the second "y" and subtract it from the first "y" and the same to "x". If I plug in the numbers, it would be (3-6) over (5-4), and after you subtract, the answer simplifies to: -3/ 1 which is -3. Yay! We got the slope (rate of change) done.

Now let's find the y-intercept by using the formula of point-slope form, 
y-y1= m (slope) (x-x1). This is saying you "y" is subtracted from the first 
"y" of the points which equals the slope (m) times the quantity of "x" subtracted by the first "x" of the points. 

Let's plug the numbers in: y-6 = -3 (x-4). Let's distribute -3 to the parenthesis, and after that it should simplify to: y-6 = -3x + 12. To get "y" by itself, add 6 to both sides: y = -3x +18. We have finally found the slope-intercept equation for those two points (4,6) and (5,3). To then find the y-intercept in this equation, it would be the 18, because -3 is the slope, so that makes 18 the y-intercept.

In conclusion, the rate of change is -3 and the y-intercept is 18. 

I hope this helps!

May
3 0
3 years ago
Read 2 more answers
Factor:<br> n^4- 3n^2 + 2<br><br> *example: n^2-n-2 factored would be: (n-2)(n+1)*
Tom [10]

Step-by-step explanation:

( \: n - 1) \times (n + 1) \times  \: ( {n }^{ 2 - 2)}

4 0
3 years ago
How many factors does (2x+5) have
zalisa [80]
Answer:
three (3) factors

Explanation:
2, x and 5 are all factors.

hope this helps! <3
6 0
3 years ago
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