Solve the equation -8v – 5 = -21 for v. A.-2 B.-1 C.2 D.4
Answers
Answer: v = 2
Step-by-step explanation:
-8v - 5 = -21
Make v the subject of the equation
-8v = -21 + 5
-8v = -16
Divide both sides by -8
v = 2
Check:
Slot in the value of v into the equation
-8v - 5 = -21
-8 (2) - 5 = -21
-16 - 5 = -21
I hope this is clear, please mark as brainliest answer.
Answer: V=2
Step-by-step explanation: Isolate The Variable By Dividing Each Side By Factors That Dont Contain The Variable
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Answers
Its consecutive: x + 1
Product:
x(x+1)=121
x² + x - 121 = 0
Δ = 1² - 4.1.(-121)
Δ = 1+484
Δ = 485
As square root of 485 is not integer, do not exist two consecutive numbers with product of 121
Which statements are true? Choose exactly TWO answers that are correct.
Image:
Dentist Mean patient age MAD
Appiah 43 9.7
Cantwell 29 13.9
Singh 41 14.1
A. Dr. Appiah’s patients’ ages vary more than do Dr. Cantwell’s patients’ ages.
B. Dr. Appiah’s patients’ ages vary less than do Dr. Singh’s patients’ ages.
C. Dr. Cantwell’s patients’ ages and Dr. Singh’s patients’ ages vary about the same amount.
D. Dr. Singh’s patients’ ages and Dr. Appiah’s patients’ ages vary about the same amount.
I think it's A and B.
10 points for the correct answer!
Answers
Answer:
Option B is right.
Step-by-step explanation:
Given that Three dentists wanted to compare the ages of their patients. They each calculated their patients’ mean age and the mean absolute deviation of their ages. They displayed the results in a table.
Dentist Mean MAD
Appiah 43 9.7
Cantwell 29 13.9
Singh 41 14.1
Mean absolute deviaiton is a measure of deviations of all entries from the mean.
We find that maximum variation is that of Singh followed by Cantwell and Appaiah.
Option A is wrong as Dr. Appiah’s patients’ ages do not vary more than do Dr. Cantwell’s patients’ ages.
B. is true.
Dr. Appiah’s patients’ ages vary less than do Dr. Singh’s patients’ ages.
C is false Dr. Cantwell’s patients’ ages and Dr. Singh’s patients’ ages vary about the same since tey are 13.9 and 14.1 hence different.
Answers
90 is 25 percentage of 360.
To find the number that 90 is 25 % of, we can set up a proportion using the relationship between the percentage and the whole number. Let's represent the unknown number as " x ".
The proportion would be: 90 / x = 25 / 100.
To solve for x, we can cross-multiply and then divide:
90 * 100 = 25 * x
9000 = 25 x
Finally, we divide both sides of the equation by 25:
9000 / 25 = x
Simplifying the division:
360 = x
Therefore, 90 is 25 % of 360.
Learn more about percentage here
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a) 0.03
b) 7
show your work
Answers
b) 7
That is the answer because both numbers are already in rational form.
Answers
Answer
It will take Carl 1.76 minutes to run 1.5 laps
Explanation
We know from our problem that Chris runs a lap in 1.17 minutes, so he will run half a lap in half the time: minutes.
We have the time it takes Chris to run 1 lap and the time it takes him to run half (0.5) laps, so, to find how long it takes him to run 1.5 laps, we just need to add the two times:
Total time = 1.17 minutes + 0.585 minutes
Total time= 1.755
Since we need to round to two places, we check if the number after the 2nd place is 5 or bigger; if it is, we add 1 to the number on the 2nd place. The number after the 2nd place is 5, so we add 1 to the 5 in the 2nd place to get:
Total time = 1.76 minutes
Carl will run 1.5 laps in 1.76 minutes
Answers
The phrase "books never written" is a common setup for a riddle or joke. It presents a title of a book without providing any further information or content, implying that the book was never actually written wordplay . The purpose of this format is to engage the listener's imagination and sense of humor by leaving them to speculate about the possible contents or story of the book based solely on the given title.
Step 1: The riddle begins with the phrase "books never written," which sets the context for the type of question or joke that will follow.
Step 2: The next part of the riddle is usually the prompt "why," which invites the listener to think about why these books were never written or what might be unique about them.
Step 3: The answer to the riddle is intentionally left open-ended and subjective, allowing for creative and humorous interpretations. The listener is encouraged to come up with their own humorous or imaginative ideas for the content of the books based on the given title.
Hence, the phrase "books never written" is a setup for a riddle or joke where the listener is invited to imagine the content of nonexistent books based on their titles and wordplay . The purpose is to engage the listener's creativity and sense of humor.
Learn more about riddles and wordplay here:
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Answer:
I just want to share a bunch of riddles in my head. hope you enjoy them
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message me for the answers! lol