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Mamont248 [21]
4 years ago
10

} - x - 6 \div {x}^{2} - 4" alt="x^{2} - x - 6 \div {x}^{2} - 4" align="absmiddle" class="latex-formula">


​
Mathematics
1 answer:
joja [24]4 years ago
8 0

\bf x^2-x-6\div x^2-4\implies \cfrac{x^2-x-6}{x^2-4}\implies \cfrac{(x-3)(x+2)}{\underset{\textit{difference of squares}}{x^2-2^2}} \\\\\\ \cfrac{(x-3)~~\begin{matrix} (x+2) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}{(x-2)~~\begin{matrix} (x+2) \\[-0.7em]\cline{1-1}\\[-5pt]\end{matrix}~~}\implies \cfrac{x-3}{x-2}

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IMPORTANT
EastWind [94]
$75 a month. 75x12 = 900. i used 12 because that’s the number of months in a year. hope this helps
7 0
3 years ago
1. How are pounds per gallon and kilograms per liter alike? How are they different?
Goryan [66]

Answer:

1)= 1 kilogram per liter (kg/l) + 8.35 pound per gallon (lb/gal)

2)= 4.4704 meters per seconds

3)= 12in= 1ft ratio is 12:1

4)= 1ft=12in ratio is 1:12

5)= 3ft= 1 yard ratio is 3:1

6)=1 yard = 3ft ratio 1:3

Step-by-step explanation:

12 in = 1 foot

1 yard = 3 feet

1 yard = 36 in

I hope this helps

7 0
3 years ago
Grandma baked 1.5 times as many pancakes as waffles. After she baked 45 more waffles, and her grandchildren eat 12 pancakes, the
Leokris [45]

The number of waffles there were initially is; 80 waffles

<h3>Simultaneous equations</h3>

Let the number of pancakes be x.

Let the number of waffles be y

Hence, after she baked 45 more waffles, and her grandchildren eat 12 pancakes, what she has is;

  • y +45 waffles and x-12 pancakes.

There were 17 more waffles than pancakes.

  • y+45 = x-12 +17.......equation (1)

And initially, x = 1.5y

Hence, to determine y, we must substitute x = 1.5y into equation (1)

Therefore, we have;

  • y+ 45 = 1.5y -12+17

  • 0.5y = 40

  • y = 40/0.5

  • y = 80 waffles.

Read more on simultaneous equations;

brainly.com/question/16863577

7 0
2 years ago
Read 2 more answers
Simplify 8(x + 6) - 5(x + 8).<br><br> 3x + 8<br> 13x - 8<br> 3x + 42
charle [14.2K]

Answer:

x=14

Step-by-step explanation:

after you take 3x+42 you have to divid by 3 and get

x=14

8 0
3 years ago
(20 points!) In triangle RSW, line segment RW is a median and is equal to 27 cm. What is the length of RX?
Fofino [41]

Answer:

Option D. 18 cm

Step-by-step explanation:

we know that

A <u><em>centroid</em></u> of a triangle is the point where the three medians of the triangle meet.

A median of a triangle is a line segment from one vertex to the mid point on the opposite side of the triangle.

The centroid divides each median in a ratio of 2:1

In this problem the centroid of triangle RST is the point X

so

\frac{RX}{XW}=\frac{2}{1}

RX=2XW -----> equation A

RX+XW=27 -----> equation B

substitute equation A in equation B

2XW+XW=27

Solve for XW

3XW=27

XW=9\ cm

Find the value of RX

RX=2XW  ----- RX=2(9)=18\ cm

3 0
3 years ago
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