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3 years ago

Let

Mathematics

1 answer:

Svetach [21]3 years ago

4 0

Answer:

a b c d ok understand u bye.....................

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The factorization of 8x3 -125 is (2x-5)(jx2 +kx+25)

lbvjy [14]

$\bf ~\hspace{10em}\textit{difference and sum of cubes} \\\\ a^3+b^3 = (a+b)(a^2-ab+b^2) ~\hfill a^3-b^3 = (a-b)(a^2+ab+b^2) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ 8x^3-125~~ \begin{cases} 8=2\cdot 2\cdot 2\\ \qquad 2^3\\ 125=5\cdot 5\cdot 5\\ \qquad 5^3 \end{cases}\implies 2^3x^3-5^3\implies (2x)^3-5^3 \\[2em] [2x-5][(2x)^2+(2x)(5)+5^2]\implies (2x-5)(\stackrel{\stackrel{j}{\downarrow }}{4}x^2+\stackrel{\stackrel{k}{\downarrow }}{10}x+25)$

3 0

4 years ago

Use a calculator to solve for xin the equation 2e^3x = 400. Round your answer to<br> three decimals.

Paul [167]

the answer is

D. 1.766

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4 years ago

30 POINTS PLEASE HELP!!

Sedbober [7]

A polynomial p is graphed. What could be the equation of p?

3 0

4 years ago

Once period has– places

romanna [79]

Answer:

It’s has 3 places

Step-by-step explanation:

8 0

3 years ago

2(2-3x) = 3(3+x) + 4

zaharov [31]

Answer:

x=−1

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

2(2−3x)=3(3+x)+4

(2)(2)+(2)(−3x)=(3)(3)+(3)(x)+4(Distribute)

4+−6x=9+3x+4

−6x+4=(3x)+(9+4)(Combine Like Terms)

−6x+4=3x+13

Step 2: Subtract 3x from both sides.

−6x+4−3x=3x+13−3x

−9x+4=13

Step 3: Subtract 4 from both sides.

−9x+4−4=13−4

−9x=9

Step 4: Divide both sides by -9.

−9x /−9 = 9 /−9

x=−1

3 0

3 years ago