How do you work out 3/5 of 65?
Answers
Answer:
39
Step-by-step explanation:
work out 3/5 of 65
The of simply indicate multiplication .
Therefore,
3/5 × 65
multiply the numerators and divide by the multiplication value of the denominators
(65 × 3)/5
195/5
195 divided by 5
39
3*(65/5)
3*13
39
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Find the sum of the given polynomials.7b + 3, -4b + 5, and -3b + 2 answer options are: 10b + 2 10 0 b - 8 I will give Brainliest answer and a thank you.
conjunction
disjunction
negation
conditional
Answers
Answer:
The term that best describes the given statement is given by the last option i.e.
Conditional .
Step-by-step explanation:
We are given a statement:
If a polygon has eight sides, then it is an octagon.
We know that a conditional statement which is also known as the if-then statement is a statement where one part of it is a given condition or hypothesis and the second statement is a conclusion of the first statement.
It could also be symbolized as:
If p then q
where p is the hypothesis and q is the conclusion.
Hence, the term that describes this given statement is:
Conditional.
if the polygon has 6 sides then it is a hexagon, is an example of condition sencece so the correct answer is conditional.
Answers
a. carbon chloride
b. nitrogen monoxide
c. copper (II) carbonate
d. chloric acid
Answers
Explanation:
Carbon has four valence electrons; therefore, it would require 4 more electrons to become stable. Chlorine, however, has seven (7) valence electrons. So it would require only one electron to become stable. In this case, as in the name, carbon chloride, the word chloride refers to the compound that is stable, which in this case cannot be possible (as carbon requires 4 electrons, and chlorine only has 7). If chlorine had 4 valence electrons, then it would be possible. Hence, the correct option is (a) Carbon Chloride.
Answers
121 + 121 = c²
242 =c² c=
Answer:
B
Step-by-step explanation:
B) mean
C) frequency
D).median Frequency distributions that are skewed to the right, what is the relationship of the mean and median?
Answers
Answer:
Median
mean>median
Step-by-step explanation:
When the data is skewed to right the suitable average is median. Median is suitable because it is less effected by extreme values and thus locate the center of the distribution perfectly. Here the salaries of basket players are skewed to right and the best measure of central tendency to measure the center of distribution is median.
When the frequency distribution is rightly skewed then the relationship of mean and median is that mean is greater than median that is Mean>median.
Hence when the distribution is skewed to right the best choice to measure the center of distribution is median and when the data is skewed to right mean is greater than median.
13.5, 12.2, 12.8, 12.8, 12.3, 12, 13.9, 14, 14.2, 12.6
Jack made the following box plot to represent the heights:
box plot shows minimum at 12, first quartile at 12.5, median at 12.8, third quartile at approximately 13.9 and maximum at 14.2
Which of the following did Jack show incorrectly on his box plot?
Median
Minimum
First quartile
Third quartile
Answers
Answer:
The First Quartile is incorrect.
Step-by-step explanation:
Step 1: Order the Numbers
They should looks like this: 12 12.2 12.3 12.6 12.8 12.8 13.5 13.9 14 14.2
Step 2: Find the Median
Since there is an even amount of numbers (10), the median is the sum of the two middle numbers divided by two: 12.8 + 12.8 = 25.6, 25.6 ÷ 2 = 12.8. So, 12.8 is our Median. Since our next steps will involve us figuring out more Medians, we will call this the "original Median." (I would suggest you replace the two numbers with one 12.8 and circle it so you know that this is the Median.)
Step 3: Find the Median for the Quartiles
Now you need to find the Median for the numbers leading up to the "original" Median and the numbers following the "original" Median. Since there is again, an even amount of numbers (4), you will add the two middle numbers of those four and divide the sum. Leading up to the Median: 12.2 + 12.3 = 24.5, 24.5 ÷ 2 = 12.25 (First Quartile). Following the Median: 13.9 + 14 = 27.9, 27.9 ÷ 2 = 13.95 (Second Quartile). (Again, I would suggest you replace each two numbers with the one median and circle it so that you will know that these will be the end of your first and third quartiles.)
Step 4: Find the Quartiles
Referring to Jack's Box Plot, the end of his line should start at 12 (that is the lowest number) and should end at 14.2 (that is the highest number). The "original Median" is 12.8, which will be the line inside of his box. Since we figured out what the median is leading up to the "original Median", his box should start at 12.25, and since we figured out the Median following the "original Median" we know that his box should end at 13.95.
Step 5: Make sure they match up
Let's organize this a bit better; numbers 12 - 12.25 (first quartile), 12.25 - 12.8 (second quartile), 12.8 - 13.95 (third quartile), 13.95 - 14.2 (fourth quartile). All of these match correctly except for our first quartile. It starts correctly at 12 but does not end at 12.25 and instead ends around 12.5.
Incorrect: First Quartile
After working out the problem and figuring out what Jack did wrong, we now know that Jack incorrectly worked the First Quartile.
Hope this helped and that it wasn't too confusing. Also, if it was too confusing, try reading it and working out the problem yourself as you read the steps. :)