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kozerog [31]
2 years ago
13

Help me im losing brain cells day by day i dont know what to do

Mathematics
1 answer:
Gekata [30.6K]2 years ago
7 0

Answer:

answer is down below

Step-by-step explanation:

4/10 0.4

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Expand the following:<br> a) x(x + 2)<br> b) x(2x - 5)<br> c) 2x(3x + 4)<br> d) 6x(x - 2)
TEA [102]

Answer:

<h2>a. \:  {x}^{2}  + 2</h2>

<h2> </h2><h2>b. \: 2 {x}^{2}  - 5x</h2><h2> </h2><h2>c. \: 6 {x}^{2}  + 8x</h2><h3> </h3><h3>d. \: 6 {x}^{2}  - 12x</h3>

solution,

a. \: x(x + 2) \\  \:  \:  = x \times x + 2 \times x \\  \:  \:  =  {x}^{2}  + 2x

b . \: x(2x - 5) \\  \:  = x \times 2x - x \times 5 \\  \:  \:  = 2 {x}^{2}  - 5x

c. \: 2x(3x + 4) \\  \:  = 2x \times 3x + 2x \times 4 \\  \:  \:  = 6 {x}^{2}  + 8x

d. \: 6x(x - 2) \\  \:  \:  = 6x \times x  - 6x \times 2 \\  \:  \:  = 6 {x}^{2}  - 12x

<h2> </h2><h2 />

Hope this helps...

Good luck on your assignment..

4 0
3 years ago
At the beginning of Jack's diet, he was 257 pounds. If he lost 3 pounds per week, find his weight after
Cloud [144]

Answer:

A loss of weight means we subtract from Jack's current weight. 

Step-by-step explanation:

A loss of weight means we subtract from Jack's current weight. New Weight = Current Weight - Weight Loss per week * number of weeksNew Weight =257 - 3*12New Weight =257 - 36New Weight = 221

7 0
2 years ago
Read 2 more answers
What do you mean by mean (average)?collect the age of 8friends and calculate their average ages. ​
Arada [10]

Answer:

its basically the average

Step-by-step explanation:

To find it,add up all the numbers and then the answer that you get,you divide it by the amount of numbers you added up...

Hopefully this helped

7 0
3 years ago
Please solve in the image
eimsori [14]

Answer:

4

Step-by-step explanation:

The line passes through points (2,0)\,,\,(0,2)

Let (x_1,y_1)=(2,0)\,,\,(x_2,y_2)=(0,2)

Equation of a line passing through points (x_1,y_1)\,,\,(x_2,y_2) is given by y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)

y-0=\frac{2-0}{0-2}(x-2)\\y=\frac{2}{-2}(x-2)\\y=-1(x-2)\\y=-x+2

So,

f(x)=y=-x+2

Put x=-2

f(-2)=-(-2)+2=2+2=4

4 0
2 years ago
Square root of 12/4 irrational or rational number
Mademuasel [1]
\sqrt{12/4} can be simplified to \sqrt{3}, which is an irrational number around 1.732

I hope this helps!
7 0
3 years ago
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