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3 years ago

You guys gotta help me i'm so confused

Mathematics

2 answers:

marissa [1.9K]3 years ago

6 0

Answer:

Step-by-step explanation:

melamori03 [73]3 years ago

4 0

Answer:

If we let "m" be the price of the meal, then the cost of the three meals would be 3m.

Then, if the friends give 9 extra dollars, the total cost will come down to 3m+9.

Let me know if this helps!

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Professor Ivy has following scores on her final exams: 97 88 66 55 89 72 94 32 84 89 72 76 77 Express answers rounded correctly

Gre4nikov [31]

Answer:

The rest of the question:

Find Mean, Median, Mode, 25th Percentile, 75th Percentile, Maximum, Minimum, Range and IQR.

Let's begin by placing the data points in order from least to greatest:

32 55 66 72 72 76 77 84 88 89 89 94 97

n = 13

1) Mean sometimes called the average = the sum of the data over its number

Mean =( 32+55+66+72+72+76+77+84+88+89+89+94+97 )/13 =

= 991/13 = 76.23 ≈ 76.2 (to the nearest tenth)

2) Median is the middle data point = 77

3) Mode is any number within a set that occurs the most often

Mode = 72 and 89

We will making a data in suitable form to find the remaining requirements:

(32 55 66 72 72 76) 77 (84 88 89 89 94 97)

4) 25th Percentile = Quartile 1 (Q1) which is the median of the first set of data

∴ 25th Percentile = (66+72)/2 = 138/2 = 69

5) 75th Percentile= Quartile 3 (Q3) which is the median of the second set of data

∴ 75th Percentile = (89+89)/2 = 89

6) Maximum = 97

7) Minimum = 32

8) Range = Maximum - Minimum = 97 - 32 = 65

9) IQR (interquartile range) = Q3 - Q1 = 89 - 69 = 20

7 0

4 years ago

Plane hkp and plane rkp are two distinct planes. name the intersection of plane hkp and plane rkp.

Zielflug [23.3K]

"KP" is the name among the following choices given in the question that is the name of the intersection of plane hkp and plane rkp. The correct option among all the options that are given in the question is the first option or option "A". I hope that this is the answer that has actually come to your desired help.

3 0

3 years ago

7+x/4=3whats the answer please

Butoxors [25]

X= -16
This is the correct answer hoped that it might have helped!

7 0

4 years ago

A garage door that is 16 feet wide and 7 feet high is being painted the door have three windows that will not be painted each re

Ber [7]

Answer:

103 ft

Step-by-step explanation: First, you find the area of the garage door as a whole (112 ft). Then, you find the area of each the three windows and add them together (their total area together is 9 ft). Lastly, you subtract this sum from the area of the whole door and the answer that you will get is 103 ft. Hope this helps :)

8 0

3 years ago

(a.): For what amount of driving do the two plans cost the same?

user100 [1]

Write the expression for each plan, and set them equal to each other.

For part a) solve for m.

For part b) substitute the value of m back into each expression.

5 0

4 years ago

Read 2 more answers