3 years ago

What is this a picture of. if you get it right ill give you the brainiest

Mathematics

1 answer:

Alborosie3 years ago

6 0

Answer:

Looks like holographic glitter to me

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Tell whether the sequence is arithmetic or not. If the sequence is arithmetic, write a function rule to represent it.

sasho [114]

Nx = -19 + 8 (n-1)
hope this helps :)

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3 years ago

Alaska has a land area of about 1,700,00 square kilometers. Florida has a land area 1/10 the size of Alaska. What is the land ar

Evgen [1.6K]

The land area of Florida 65,755

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3 years ago

Can someone show me how to factor this please?

Alex_Xolod [135]

Answer:

$\displaystyle \theta = \left\{\frac{7\pi}{6}, \, \frac{3\pi}{2}, \frac{11\pi}{6}\right\}$

Step-by-step explanation:

We want to solve the equation:

$2\sin ^2 \theta + 3\sin \theta + 1 = 0$

In the interval [0, 2π).

Notice that this is in quadratic form. Namely, by letting u = sin(θ), we acquire:

$\displaystyle 2u^2 + 3u + 1 = 0$

Factor:

$\displaystyle (2u+1)(u+1) = 0$

By the Zero Product Property:

$\displaystyle 2u + 1 = 0\text{ or } u + 1 = 0$

Solve for each case:

$\displaystyle u = -\frac{1}{2} \text{ or } u = -1$

Back-substitute:

$\displaystyle \sin \theta = -\frac{1}{2} \text{ or } \sin \theta =-1$

Use the Unit Circle. Hence, our three solutions in the interval [0, 2π) are:

$\displaystyle \theta = \left\{\frac{7\pi}{6}, \, \frac{3\pi}{2}, \frac{11\pi}{6}\right\}$

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3 years ago

David writes down the sequence 2, 6, 10, 14 he says the sequence is n+4 is he correct

Sonja [21]

He is, since each number is 4 more in value than the previous number

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3 years ago

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A driver descended to a depth of -65 feet in 5 minutes. If she descended at the same rate each minute, what’s the rate?

Sidana [21]

This is an easy one.

65/5= 13.

Therefore, she descended 13 feet per minute.

7 0

3 years ago