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4 years ago

15

State the term of 3x squared minus one

1 answer:

larisa [96]4 years ago

5 0

Answer:

9x^2 - 1 is the answer, 3x is squared first

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Angels a and b are complementary but angle a is 4 times as large as angle b find angle a

Elodia [21]

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3 years ago

For a moving object, the force acting on the object’s acceleration. When a force of 56 N acts on certain object, the acceleratio

ycow [4]

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Step-by-step explanation:

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3 years ago

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the lateral area of a cone is 574 pi cm2. The radius is 19.6 cm. What is the slant height to the nearest tenth of a centimeter?

bulgar [2K]

$\bf \textit{lateral area of a cone}\\\\
LA=\pi r\sqrt{r^2+h^2}~~
\begin{cases}
r=radius\\
\sqrt{r^2+h^2}=slant~height\\
-----------\\
LA=574\pi \\
r=19.6
\end{cases}
\\\\\\
574\pi =\pi (19.6)\sqrt{r^2+h^2}\implies \cfrac{574\pi }{19.6\pi }=\sqrt{r^2+h^2}
\\\\\\
\cfrac{574}{19.6}=\sqrt{r^2+h^2}$

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3 years ago

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Convert this number expressed in standard form to scientific notation. 28,500,000 1. Move the decimal to create the coefficient:

Scilla [17]

It is 10 to the power 7

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3 years ago

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Irina-Kira [14]

Answer:

40

Step-by-step explanation:

3x^2 + 8x = 2

3x^2 + 8x - 2 = 0

D = b^2+4ac

D = 8^2+4(3)(-2)

D = 64+(-24)

D = 64-24

D = 40

8 0

3 years ago