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Contact [7]
3 years ago
14

Factorize: 7xyz + 21x^2 y​

Mathematics
2 answers:
ad-work [718]3 years ago
5 0

Answer:

7xyz + 21 {x}^{2} y

factorise out 7, x and y:

= 7xy(z + 3x)

Helga [31]3 years ago
4 0

Answer:

\huge\boxed{\sf 7xy (z + 3x)}

Step-by-step explanation:

\sf 7xyz +21x^2y\\\\H.C.F. = 7xy\\\\Hence, \ Take \ 7xy \ as \ common\\\\= 7xy (z + 3x)\\\\\rule[225]{225}{2}

Hope this helped!

<h3>~AH1807</h3><h3>Peace!</h3>
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What is root3(root3 - 1)
Alenkasestr [34]

Answer:

  • 3 - root3 or 3 - √3

Step-by-step explanation:

  • root3(root3 - 1) =
  • √3(√3 - 1) =
  • √3(√3) - √3(1) =
  • √3² - √3 =
  • 3 - √3
  • 3 - root3
4 0
3 years ago
Read 2 more answers
Please help me, i need the answers ASAP! (With proper steps please)
docker41 [41]

a) 35 x 13 + 3.14 x \frac{13}{2}²

= 455 + 3.14 x 42.25

= 455 + 132.665

= 587.665 m²

∴ The area is  587.665 m².

4 0
3 years ago
What is 6 times less 420
alexandr1967 [171]
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8 0
3 years ago
ANSWER IF YOU KNOW
max2010maxim [7]

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7 0
3 years ago
What is the equation when y=5x+4 is reflected over the x-axis, y-axis &amp; y=x?
tigry1 [53]

Answer:

A) y=-5x-4

B) y=-5x+4

C) y=\frac{x-4}{5}

Step-by-step explanation:

So we have the equation:

y=5x+4

Let's write this in function notation. Thus:

y=f(x)=5x+4

A)

To flip a function over the x-axis, multiply the function by -1. Thus:

f(x)=5x+4\\-(f(x))=-(5x+4)

Simplify:

-f(x)=-5x-4

B) To flip a function over the y-axis, change the variable x to -x. Thus:

f(x)=5x+4\\f(-x)=5(-x)+4

Simplify:

f(-x)=-5x+4

C) A reflection over the line y=x is synonymous with finding the inverse of the function.

To find the inverse, switch x and f(x) and solve for f(x):

f(x)=5x+4

Switch:

x=5f^{-1}(x)+4

Subtract 4 from both sides:

x-4=5f^{-1}(x)

Divide both sides by 5:

f^{-1}(x)=\frac{x-4}{5}

And we're done :)

7 0
3 years ago
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