Find the measure of the indicated angle to the nearest degree.

Answers

Answer 1

Answer: okay so you would use cos? = adjacent/hypotenuse so cos? = 31/57 so to find the angle you would do cos^-1(31/57) = ? so ? = 57.05 degrees. make sure your calculator is in degree mode

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Which represents the inverse of the function f(x) = 4x?

Answers

f(x)=1/4x should be your answer

Answer:-1/4

Step-by-step explanation:

i dont know how to step by step

Ronan and Hazel are adding books to their class libraries. Ronan's classroom started out with 14 books and she plans to but 2 more books per week. Hazel started out with 22 books, and she has enough money in her budget to purchase one book per week. At some point, the teacher’s will have the same amount of books. Which week will have the same number of books and how many books will each class have?

Answers

Answer:

week 8

Step-by-step explanation:

14 + 2x = 22 + 1x

2x - x = 22 - 14

x = 8

Do you know how to do -2(3x-5)-2x=2(6-3x)

Answers

Answer:

Step-by-step explanation:

Factorise fully 9x squared - 6xy

Answers

3x(3x-2y)

you have to find a common factor between the two numbers. in this case it's three, so you just divide each number by three.

The number of subscribers y to a magazine after t years is shown by the equation below: y = 95(0.75)t Which conclusion is correct about the number of subscribers to the magazine? It increased by 25% every year. It decreased by 25% every year. It increased by 75% every year. It decreased by 75% every year.

Answers

Answer:

B. It decreased by 25% every year.

Step-by-step explanation:

We have,

Number of subscribers 'y' after 't' years is given by,

$y = 95(0.75)^t$

i.e. $y = 95(1-0.25)^t$

i.e. $y = 95(1+(-0.25))^t$

We see that the rate of number of subscribers is -0.25 i.e. -25%.

Since, the rate is negative.

Hence, we get that the number of subscribers are decreasing 25% every year.

It decreased by 25% every year.
if you multiply a number by a decimal you will get a smaller number than you originally had. for example, if you multiply 95 by .75 you will get 71.25 it is decreasing but only 25%

A cylindrical glass of soda has a mass of 700g. The glass itself has a mass of 80g. If the glass has a radius of 4cm and a height of 8cm, what is the density of the soda?

Answers

The density of the soda is 3.6 g/cm³

What is density?

Density is the measurement of how tightly a material is packed together. It is defined as the mass per unit volume.

Given that, a cylindrical glass of soda has a mass of 700g. The glass itself has a mass of 80g, the glass has a radius of 4 cm and a height of 8 cm,

We are asked to find the density of the soda,

Density = mass / volume

Volume = 2π×radius×height

Therefore,

Density = 700/2π×4×8 [we will not add the mass of glass because we need to find the density of soda only]

Density = 700/194.68

= 3.59

= 3.6

Hence, the density of the soda is 3.6 g/cm³

Learn more about density, click;

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