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bearhunter [10]

4 years ago

13

PLEASE HELP MEEEEE!!!!

1 answer:

defon4 years ago

8 0

Answer:

5

Step-by-step explanation:

The leading coefficient is the coefficient with a variable with the greatest exponent.The exponent is the number you would say "the power to". What I mean is let's say you have this number: $3^{2}$ . The exponent would be 2 in this equation because it's saying what power 3 is too. Therefore, 5 is the leading coefficient.

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Sigma1^30 (3n + 7) = [? ]

andrey2020 [161]

Answer:

1425

Step-by-step explanation:

∑ 1 ^30 (3n+1)=4+7+10+... 30 terms

a=4

n=30

d=7-4=3

$S_{30}=\frac{30}{2}[2 \times 4+(30-1) \times 3]\\=15[8+87]\\=15 \times 95\\=1425$

3 0

4 years ago

(Free points)<br><br>Factorise x³ + 216y³ + 8z³ - 36xyz

Nadusha1986 [10]

Answer:

[x+6y+2z][x²+(6y)²+(2z)²-6xy-12yz-2xz]

Step-by-step explanation:

x³+216y³+8z³-36xyz

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As we know

a³+b³+c³-3abc=(a+b+c)(a²+b²+c²-ab-bc-ca)

Let a=x

b=6y

c=2z

Now.

[x+6y+2z][(x²+(6y)²+(2z)²-x×6y-6y×2z-x×2z]

[x+6y+2z][x²+(6y)²+(2z)²-6xy-12yz-2xz]

3 0

4 years ago

Read 2 more answers

What are the coordinates of Image A (-2,7) after a dilation with a center at the origin and a scale factor of 3?

mr_godi [17]

Answer:

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Step-by-step explanation:

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3 years ago

The formula for the circumference of a circle is C = 2nr. Find the circumference of a

Sholpan [36]

Step-by-step explanation:

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Step-by-step explanation:

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