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2 years ago

Which of the following expressions is equivalent to ab² + 6ab + 7a³-14a?

Mathematics

1 answer:

AfilCa [17]2 years ago

8 0

Answer:

The option D is equivalent to the expression ab² + 6ab + 7a³-14a.

Step-by-step explanation:

the steps are given above...

I hope it was helpful for you!!

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Which term describes the point where the three altitudes of a triangle intersect?

inn [45]

The answer to the question is ORTHOCENTER. The altitude is the line that connects the vertex of a triangle to the opposite side making a 90 degrees with it. Thus, the use of the prefix ortho- for the points where the three altitudes meet.

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3 years ago

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PLZZZZ HELPPPPPP THIS IS TIMEDDDD!!!! *look at picture*

Kazeer [188]

Answer:

Height of the building = 50.8 ft

Step-by-step explanation:

A person and a building are casting the shadows at the same time of the day.

Triangles formed by the person and his shadow and the building and its shadow will be similar.

Therefore, corresponding sides of the similar triangles will be proportional.

$\frac{x}{28}=\frac{5.8}{3.2}$

x = $\frac{5.8\times 28}{3.2}$

x = 50.75

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2 years ago

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PLSSS HELP. WILL MARK BRAINLIEST. A rectangle has sides measuring (6x + 4) units and (2x + 11) units. Part A: What is the expres

Leni [432]

Answer:

Below.

Step-by-step explanation:

Part A: $(6x+4)(2x+11)=12x^2+66x+8x+44=12x^2+74x+44$

Part B: Degree = 2, Classification = Quadratic

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2 years ago

What is the equation of the following graph in vertex form?

Elza [17]

$\bf \boxed{y=(x-{{ h}})^2+{{ k}}}\\\\
x=(y-{{ k}})^2+{{ h}}\qquad\qquad vertex\ ({{ h}},{{ k}})\\\\
-----------------------------\\\\
\textit{vertex is at 4,-4}\implies 
\begin{cases}
h=4\\
k=-4
\end{cases}\implies y=(x-4)^2+(-4)
\\\\\\
\boxed{y=(x-4)^2-4}$

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2 years ago

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<img src="https://tex.z-dn.net/?f=%5Csqrt%5C%5Cx%5E%7B2%7D%20-%203%5C%5C" id="TexFormula1" title="\sqrt\\x^{2} - 3\\" alt="\sqrt

Liono4ka [1.6K]

You can’t simplify it more than it is

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3 years ago