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Lorico [155]
3 years ago
13

Factor each expression completely.

Mathematics
1 answer:
netineya [11]3 years ago
5 0
Use:\\a^2-b^2=(a-b)(a+b)\\(a\pm b)^2=(a^2\pm2ab+b^2\\==============================\\27.\\18z^2-8=2(9z^2-4)=2\left[(3z)^2-2^2\right]=2(3z-2)(3z+2)\\\\29.\\2a^2-16a+32=2(a^2-8a+16)=2(a^2-2a\cdot4+4^2)=2(a-4)^2\\=2(a-4)(a-4)\\\\31.\\12x^2+36x+27=3(4x^2+12x+9)=3[(2x)^2+2\cdot2x\cdot3+3^2]\\=3(2x+3)^2=3(2x+3)(2x+3)

33.\\3x^2-24x-27=3(x^2-8x-9)=3(x^2+x-9x-9)\\=3[x(x+1)-9(x+1)]=3(x+1)(x-9)\\\\35.\\-x^2+5x-4=-(x^2-5x+4)=-(x^2-x-4x+4)\\=-[x(x-1)-4(x-1)]=-(x-1)(x-4)\\\\37.\\x^2-y^2=(x-y)(x+y)\\\\39.\\-6z^2-600=-6(z^2+100)
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4 bananas and 3 peaches cost $10. We can represent this information as 4x +3y = $10. The x represents the cost of bananas and th
JulsSmile [24]

Answer:

a  x+2y =5

b  x=1  y=2

Step-by-step explanation:

4x+3y = 10

So the cost of 1 banana is x and the cost of 1 peach is y

a) we want the cost of 1 banana and 2 peaches

1x+2y

That is equal to 5 dollars

1x+2y =5

x+2y =5

b

The matrixes are

1   2         x              5

         *           =

4   3          y            10

Using my calculator, x=1  y=2

3 0
3 years ago
Given f(x)= square root x and g(x) = lxl, which is the graph of (fog)(x)
marin [14]

Answer:

drawing the graph of f(g(x))=\sqrt{|x|}

The graph is attached in the images below.

Option A is correct option.

Step-by-step explanation:

We are given:

f(x)=\sqrt{x} and g(x)=|x|

We need to find graph of  (fog)(x)

We know that (fog)(x)= f(g(x))

Placing x=g(x) i,e x=|x|

(fog)(x)= f(g(x))\\f(g(x))=\sqrt{|x|}

Now, drawing the graph of f(g(x))=\sqrt{|x|}

The graph is attached in the images below.

Option A is correct option.

8 0
2 years ago
Read 2 more answers
URGENT IT'S LITERALLY A REALLY IMPORTANT QUESTION!!!
deff fn [24]

Diameter- The line that goes through the circle is the diameter to find the diameter take the radius and multiply it by two

Circumference- Take the radius divide by two and multiply by pi which is 3.14

5 0
3 years ago
Jane needs $20 to buy her radio. She has saved $15.
UNO [17]

Answer: i think it's 75

Step-by-step explanation: because 5 is half of 10 and 10 is half it makes 75

5 0
2 years ago
The highest point in colorado is mount elbert, at 14,433 feet.About how many miles is that
Juli2301 [7.4K]
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3 years ago
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