3 years ago

A polynomial is factored using algebra tiles. What are the factors of the polynomial?

Mathematics

1 answer:

zysi [14]3 years ago

7 0

Answer: the answer is B

Step-by-step explanation:

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How to express cos 3x in terms of cosx

Elena-2011 [213]

$\cos3x=\cos(x+2x)=\cos x\cos2x-\sin x\sin2x$
$=\cos x(\cos^2x-\sin^2x)-2\sin^2x\cos x$
$=\cos^3x-\cos x\sin^2x-2\sin^2x\cos x$
$=\cos^3x-3\cos x\sin^2x$
$=\cos^3x-3\cos x(1-\cos^2x)$
$=\cos^3x+3\cos^3x-3\cos x$
$=4\cos^3x-3\cos x$

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3 years ago

-0.4 × - 1.2 > 0.8 ?

Gekata [30.6K]

That is not correct. Multiply
-1.2 × -.4 = .48

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3 years ago

Find the range of -4, -3,-1,-1,0,1

Lilit [14]

5 is the answer
Lowest value:-4
Highest value:1

4 0

2 years ago

Read 2 more answers

Earth has a mass of 5.97 × 1024 kg and Venus has a mass of 4.87 × 1024 kg. How much more mass does Earth have than Venus? Earth

dezoksy [38]

Answer:

The answer to your question is a = 1.1; b = 24

Step-by-step explanation:

Data

Earth's mass = 5.97 x 10²⁴ kg

Venus' mass = 4.87 x 10²⁴ kg

Process

1.- Subtract the Venus' mass to the earth's mass.

5.97

1.1

2.- Write the result in scientific notation

1.1 x 10²⁴ kg

3.- Result

a = 1.1

b = 24

7 0

3 years ago

How do I show my work on this problem?

wel

If you are to make it to proper fraction it would be 7 1/8 if have to make it to a just decimal it would be 7.125

8 0

3 years ago