MATHEMATICS COLLEGE

6. A music video website received 5.000comments on a new song they released
The next day, the artist performed the song
on television and an additional 1500
comments were made on the website. What
was the percent of increase? ​

Answers

Answer 1
Answer:

Answer:

30%

Step-by-step explanation:

To be able to calculate the percent of increase between two numbers, you have to divide the increase by the initial number and multiply by 100:

Increase= 1,500

Initial number=5,000

Percent of increase=(1,500/5,000)*100

Percent of increase=0.3*100

Percent of increase=30%

According to this, the answer is that the percent of increase was 30%.

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In your own words, describe how to graph the linear equation y = -1/5x + 3. Step by step

Answers

Answer:

Steps given below and graph is attached.

Step-by-step explanation:

First Step:

Find out y-intercept by substituting x=0

y=-(1)/(5)* 0+3\n\ny=3\n\nHence\ line\ passes\ through\ (0,3).

Second Step:

Find out x-intercept by substituting y=0.

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Third Step:

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Graph is attached.

A, B & C form the vertices of a triangle.CAB = 90°, ABC = 60° and AB = 8.6.

Calculate the length of BC rounded to 3 SF.

BC =

Answers

Answer:

BC = 17.2.

Step-by-step explanation:

Since CAB = 90º, this is a right triangle.

The triangle format is given below:

C

A           B

We have that AB = 8.6, and angle B measures 60º.

Length of BC:

BC is the hypotenyse.

Side AB is adjacent to angle B = 60º.

In a right triangle, angle \alpha, it's adjacent side with length s and the hypotenuse h are related by the cosine of the angle, that is:

cos(\alpha) = (s)/(h)

In this question, we have an angle of 60º, with has cosine 0.5. We also have that side AB = s = 8.6, and the hypotenuse h is side BC. So

cos(\alpha) = (s)/(h)

0.5 = (8.6)/(h)

0.5h = 8.6

h = (8.6)/(0.5)

h = 17.2

BC = 17.2.

Find the value of the expression: 70–a^2 for a=–25; 1; 10

Answers

Answer:

  • a = -25: -555
  • a = 1: 69
  • a = 10: -30

Step-by-step explanation:

Put the value where "a" is in the expression and do the arithmetic.

  1. For a = -25: 70 - (-25)² = 70 - 625 = -555
  2. For a = 1: 70 - (1)² = 70 - 1 = 69
  3. For a = 10: 70 - (10)² = 70 - 100 = -30

_____

If you're unsure of your own arithmetic skills, you can always use a calculator.

Solve the equation.
3* = 27
x=L(Simplify your answer.)

Answers

Answer:

3³ = 27

This is because:

3x3x3 = 27
Your answer would be 3
3x3x3
\/ x 3
9 x 3
\ /
27

The temperature in potter's kiln dropped 760 degrees in 4 hours. On average, how much did the temperature drop per hour?

Answers

If temperature in potter's kiln dropped 760 degrees in 4 hours. On average, 190 degrees of  temperature drop per hour

What is Division?

A division is a process of splitting a specific amount into equal parts.

Given,

The temperature in potter's kiln dropped 760 degrees in 4 hours

We need to find the  average of temperature drop per hour

To find this we have to divide 760 by 4.

Seven hundred sixty divided by four.

760/4

One hundred ninety

190

For an hour 190 temperature is dropped.

Hence,  On average 190 temperature drop per hour.

To learn more on Division click:

brainly.com/question/21416852

#SPJ2

Answer:

-190

Step-by-step explanation:

ABCD is a rectangle. Find the length of each diagonal.AC = 3(x - 5) and BD = x + 11
AC =
BD =
Please help!

Answers

Answer:

AC=BD

3(x-5)=x+11

3x-15 = x+11

2x=26

x= 13

AC= 3(13 -5)= 24

BD= 13+11 = 24

Step-by-step explanation:
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