MATHEMATICS HIGH SCHOOL

How do you factor the equation x^2+4x+4

Answers

Answer 1

Answer:

Answer:

x^2+4x+4=x(x−2)

Step-by-step explanation:

Answer 2

Answer: x^2+4x+4 = (x+2)(x+2)

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Tell which measure of central tendency best describes the data. Time spent on Internet (min/day): 75 38 43 120 65 48 52 A. Mean B. Median C. Mode

Answers

Answer:

B. Median

Step-by-step explanation:

We have been given data about time spent on Internet (min/day). We are asked to determine the best measure of central tendency for the given data.

Data: 75, 38, 43, 120, 65, 48, 52,

We can see that our given data has a very large value outlier (120), so it will increase the mean.

There is no mode for the given data set as no value repeats.

We know that median is best measure for data set with large valued outliers because median is not affected by outliers.

Therefore, option B is the correct choice.

The measure of central tendency that best describes the data is B. Median.

Which measure of central tendency best describes the data on time spent on the Internet?

Mean:

= (75 + 38 + 43 + 120 + 65 + 48 + 52) / 7

= 69.86

Median:

We arrange data in ascending order: 38, 43, 48, 52, 65, 75, 120. Since there are seven values, the median is the middle value: 52

Mode: There is no value that appears more than once in the data set.

Therefore, the measure of central tendency that best describes the data is B. Median.

Answers

The playground is a square, so there will be a right triangle formed by diagonal and two sides. So sides length²*2=diagonal length². So the side length is 38.9 meter.

Frankie paid $11.75 for the movie ticket and $4.75 for popcorn and a drink. How much did Frankie spend?
a. $7.00
b. $15.50
c. $15.75
d. $16.50

Answers

He spent $16.50. Add the two amounts up.

Its 16.50

11.75 + 4.75

add them and you have your answer :) hope that helped

128 is 74% of what number if necessary round your answer to the nearest hundredth

Answers

74% * x = 128
x=128/74%
x=172.97 (nearest hundredth)

Steps:
1. Do a proportion
128/x=74/100
2. Do 128 times 100 which equals 12,800
3. Do 12,800 divided by 74 which equals 172.972
4. If you rounded to the nearest hundreth, your answer would be: 172.97
(Since the 2 after the 7 was below 5, you would round down to 7)

What is the value of x, when -25(x - 4) = -55(x - 10)?A) x = 5
B) x = -5
C) x = 8 1/8
D) x = 15