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3 years ago

Why is tangent's period 180 degrees?

1 answer:

3 0

In order for tan x = 0, sin x must be = 0
sin x = 0 at 0 degrees and 180 degrees 
so, tan x = 0 at 0, pi 
as for the period being pi, you need to have tan x be negative and positive 
so remember the acronym All students take calculus ( ASTC) for where they are positive. 
tan x is negative in Quadrant II and positive in Quadrant I, since it just repeats after that, the period therefore must be Pi.

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Inequality for thirty is no greater than the sum of a number and -8

Alecsey [184]

Answer:

30≤-8+x

Step-by-step explanation:

The wording no greater then lets us know that the inequality is less than or equal to. The wording sum means the its adding the number and negative 8. Lets have x represent the unknown number.

30≤-8+x

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3 years ago

Creating an Exponential Model

belka [17]

Answer:

P = $300

r = 0.15

n = 12

$544.61 (to the nearest cent)

$P(1+r)^t$

$524.70 (to the nearest cent)

Step-by-step explanation:

P = principal amount = $300

r = annual interest rate in decimal form = 15% = 15/100 = 0.15

n = number of times interest is compounded per unit t = 12

How much she'll owe in 4 years

P = 300

r = 0.15

n = 12

t = 4

$P(1+\frac{r}{n})^{nt}=300(1+\frac{0.15}{12})^{12 \times 4}$

= $544.61 (to the nearest cent)

Yearly compounding interest rate

$P(1+r)^t$

How much she'll owe in 4 years at yearly compounding interest

$P(1+r)^t=300(1+0.15)^4$

= $524.70 (to the nearest cent)

7 0

3 years ago

Hello please help thanks

jenyasd209 [6]

Answer:

oceans and the Sun

Step-by-step explanation:

The Sun heats ocean water causing some to evaporate. Tides move the ocean water. Waves move ocean water onto the shore.

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3 years ago

. In Problem 2, how many lateral faces would there be if the base had

Alla [95]

The number of lateral faces for a hexagonal prism or pyramid is 6.

<h3>What is a prism?</h3>

A prism is a three dimensional figure consisting of pair of opposite bases and lateral faces which are parallelogram.

Given that the base off the prism has two sides of length 3 inches and four sides of length 2 inches. Hence the base is hexagonal. The lateral faces would be 6.

The number of lateral faces for a hexagonal prism or pyramid is 6.

Find out more on prism at: brainly.com/question/23963432

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2 years ago

189.271 in expanded form

Nookie1986 [14]

Answer:

189.271 in expanded form is (1 x 100) + (8 x 10) + (9 x 1) + (2/10) + (7/100) + (1/1000)

Step-by-step explanation: hope this helps <3

7 0

3 years ago

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