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NNADVOKAT [17]
3 years ago
9

4x(x2-4x+5)-2x2(2x2-8x-1)

Mathematics
1 answer:
slava [35]3 years ago
3 0

Simplify the expression.
−4x^4+20x^3-14x^2+20x
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Find the surface area of the figure
mel-nik [20]

Answer:

The answer is 165 in.

Step-by-step explanation:

The first shape (On the right) has a length of 3in. If you look at the top. and the height is 9in. Now you can find the width by looking at the other shape on the left and its width is 3in. Good thing the width on that shape matches the width on the right shape. so now you multiply 3, 3, and 9 and you get 81.

Now you look at the shape on the left. We already know the width which is 3in. and the height is 4in. to find the length don't look at the 10in. the 10 is the 1st and 2nd shape put together. look at the top of the shape on the left and there is a 7. That 7 is your length. now you multiply 7, 3, and 4 and you should get 84. Now you add 84 and 81 and you are left with the answer of 165in squared.

3 0
4 years ago
Read 2 more answers
Given. Two pair of values x1=5,y1=4,x2=1,y2=1/2. Calculate the Pythagorean triples associated with each pair?
choli [55]
The so-called pythagorean triple will just be the distance between both points,

\bf ~~~~~~~~~~~~\textit{distance between 2 points}\\ \quad \\
\begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
%  (a,b)
&&(~{{ 5}} &,&{{ 4}}~) 
%  (c,d)
&&(~{{ 1}} &,&{{ \frac{1}{2}}}~)
\end{array}\qquad 
%  distance value
d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2}

\bf d=\sqrt{(1-5)^2+\left( \frac{1}{2}-4 \right)^2}\implies d=\sqrt{(-4)^2+\left( -\frac{7}{2} \right)^2}
\\\\\\
d=\sqrt{16+\frac{7^2}{2^2}}\implies d=\sqrt{16+\frac{49}{4}}\implies d=\sqrt{\frac{64+49}{4}}
\\\\\\
d=\sqrt{\frac{113}{4}}\implies d=\cfrac{\sqrt{113}}{\sqrt{4}}\implies d=\cfrac{\sqrt{113}}{2}
5 0
3 years ago
Please help thank you all
nalin [4]
400 liters ........ hope this helps
6 0
3 years ago
Simplify (-2x - 9)(-4).<br> 8x - 36<br> -8x + 36<br> 8x + 36<br> -8x - 36
AlekseyPX
(-2x-9)(-4) = 8x+36

I hope that helps!
4 0
3 years ago
Read 2 more answers
What I yesss the quotient of (x^3+3x^2+5x+3)/(x+1)
slamgirl [31]

Answer:

x2−2x+3

Step-by-step explanation:

Divide the highest order term in the dividend by the highest order term in divisor

Multiply the new quotient term by the divisor.

After changing the signs, add the last dividend from the multiplied polynomial to find the new dividend.

Pull the next terms from the original dividend down into the current dividend by the highest order term in divisor

Multiply the new quotient term by the divisor.

The expression needs to be subtracted from the dividend, so change all the signs in

6 0
3 years ago
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