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2 years ago

Find the percent of change from

Mathematics

1 answer:

Mashcka [7]2 years ago

8 0

Answer:

option 4

Step-by-step explanation:

Percent change is calculated as

$\frac{change}{original}$ × 100%

change = 15 - 10 = 5 , then

percent change = $\frac{5}{10}$ × 100% = 5 × 10% = 50%

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Line segment XY has the coordinates X(–12, –6) and Y(5, 6). What is the approximate length of line segment XY?

malfutka [58]

The approximate length of line segment XY is 20.8 units

<h3>How to calculate the distance between two points</h3>

The formula for calculating the distance between two points is expressed as:

A = √(x2-x1)²+(y2-y1)²

Given the coordinate points X(–12, –6) and Y(5, 6). The distance between them is expressed as;

XY = √(5+12)²+(6+6)²

XY = √(17)²+(12)²

XY = √269 + 144

XY = 20.8

Hence the approximate length of line segment XY is 20.8 units

Learn more on distance formula here; brainly.com/question/661229

6 0

2 years ago

Pls help I’ll give the big brain award or whatever

andre [41]

Answer:

-0

-1

-2

Step-by-step explanation:

300x80=24,000

7 0

3 years ago

What is the meaning of the unknown factor and quotient

Komok [63]

I don't know what you mean by unknown factor but a quotient is the answer of a division problem

7 0

3 years ago

The International Air Transport Association surveys business travelers to develop quality ratings for transatlantic gateway airp

yKpoI14uk [10]

Answer:

Confidence Interval in 95% confidence level for the quality rating is (6.06,7.46)

Step-by-step explanation:

Confidence Interval can be calculated using the formula M±ME where

M is the mean of the sample
ME is the margin of error in a given confidence level

Using the sample obtained from 50 business travelers we get

Mean of the sample is 6.76
standard deviation of the sample is 2.526

Margin of error (ME) around the mean using the formula

ME= $\frac{z*s}{\sqrt{N} }$ where

z is the corresponding statistic in 95% confidence level (1.96)

s is the standard deviation of the sample (2.526)

N is the sample size (50)

Using the numbers in the formula we get:

ME= $\frac{1.96*2.526}{\sqrt{50} }$ ≈ 0.70

Then the confidence interval becomes 6.76±0.70

6 0

3 years ago

plezzz help me answer this question and i'll give you 5 starts and if you are the stalker who's been stalking plz stop! And imag

umka2103 [35]

Answer:

3x=x+30

2x=30

x=15

3(15)=45

15+30=45

45 for both

hope that answers your question

Step-by-step explanation:

7 0

2 years ago