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2 years ago

How many sides does a regular polygon have if each of its interior angles measures 165?

Mathematics

1 answer:

Dimas [21]2 years ago

3 0

The polygon would have 24 sides. (n-2)180 = n =24

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A school band is selling raffle tickets for $2 each there are 2 groups selling tickets. Each group have 4 students the tacher gi

nordsb [41]

Answer:it’s bbb

Step-by-step explanation:

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2 years ago

Solve the following equation for a. Be sure to take into account whether a letter is

Zina [86]

Answer:

a = $\frac{r-q}{g}$

Step-by-step explanation:

Given

ga + q = r ( subtract q from both sides )

ga = r - q ( isolate a by dividing both sides by g )

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2 years ago

What is the simplified form of the expression?

zimovet [89]

Answer:

7c^2d-7c+4d-10

Step-by-step explanation:

Start off with the term that has c^2 in it. 5c^2d + 2C = 7c^2d, then since you have multiple choice, the d value differs between the two answer choices that have 7c^2d so you can do +3d +d to get +4d to get the fourth answer choice.

To check your work, you can add/subtract each term to see if you get 7c^2d-7c+4d-10

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3 years ago

Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature is 80 degrees at midnig

Vladimir [108]

Answer:

The equation is given by:

$D(t) = 80 + 9\sin{0.2618t}$

Step-by-step explanation:

Sine function:

Has the following format:

$y = A\sin{bx}$

In which A is the amplitude and $\frac{2\pi}{b}$ is the period.

Suppose you know the temperature is 80 degrees at midnight and the high and low temperature during the day are 89 and 71 degrees

This means that the amplitude of the sinusoidal variation function is 89 - 80 = 80 - 71 = 9. This means that $A = 9$

During a 24-hour day, which means that the period is 24. So

$\frac{2\pi}{b} = 24$

$24b = 2\pi$

$b = \frac{2\pi}{24}$

$b = 0.2618$

So the variation is:

$V(t) = 9\sin{0.2618t}$

Assuming t is the number of hours since midnight, find an equation for the temperature, D, in terms of t.

Initial temperature of 80, so:

$D(t) = 80 + V(t) = 80 + 9\sin{0.2618t}$

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3 years ago

Perform the indicated operation.

Verizon [17]

Answer:

The answer is B. 298? im not sure if it was supposed to be ≈ or not

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3 years ago