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Naya [18.7K]
2 years ago
6

(BRAINLIEST TO THE PERSON WHO HELPS ME WITH THESE THREE QUESTIONS)

Mathematics
1 answer:
tigry1 [53]2 years ago
7 0

Answer:

Cheryl's posts + 7 posts =Kevin Posts

K-C=7 or C+7+K I use them because C is Cheryl and K is Kevin

Operation=subtraction or addition because it could be K-C=7 or C+7+K

Cheryl wrote K-7=C posts

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A survey asked people of different ages whether they get their news by reading the paper. What is the probability that a person
Bingel [31]

C. 60%

The probability that a person surveyed is 40 or older and gets the news by reading the paper is 60%.

Step-by-step explanation:

In our case, we have to find the probability of a person getting their news by reading the paper. But we are given with a condition that the person must be 40 or older.

The survey is conducted among 80 people.

Number of people aged 40 or older = 40

No of people aged 40 or older and read paper = 24

Probability formula is the ratio of number of favorable outcomes to the total number of possible outcomes.

Probability of a person aged 40 or older reads a paper =

(No. of People aged 40 or older and read paper)/(No. of people aged 40 or older)

= 24/40

= 0.6

= 60%

Learn more about probability from brainly.com/question/10694003

#learnwithBrainly

8 0
3 years ago
Read 2 more answers
PLEASE HELP<br> Simplify the expression to a + bi form:<br> √ 25- √ -25 – √ 36 – √ -4
klasskru [66]

Answer:

-1+3i

Step-by-step explanation:

\sqrt{25}  -  \sqrt{ - 25}  -  \sqrt{36}  -  \sqrt{ - 4}

Sqr root of 25 and 36 are 5 and 6 respectively

Sqr root of -25 and -4 are 5i and 2i respectively

Combine like with like

5-6=-1

5i-2i=3i

-1+3i

7 0
2 years ago
I couldn't find an answer to this question lol<br> 2(x+6)=2(6+13x)
kherson [118]

Answer:

2(x+6) = 2(6+13x)

2x+12 = 12+26x

0 = (26x-2x)

x = 0

7 0
3 years ago
Josh is hiking glacier national park. He has now hiked a total of 17km and is 2km short of being 1/2 of the way done with his hi
sashaice [31]
Hello there!

If it's the total of his hike you wanted this is how you get it:
17 + 2 = 19.
19 x 2 = 38.

The answer is 38km.

Hope This Helps You!
Good Luck :)
4 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=What%20does%20%22%20absolute%20value%22%20mean%3F%3F%20I%27m%20looking%20for%20a%20CLEAR%20ans
Whitepunk [10]

Answer:

absolute value means a number's distance from 0

Step-by-step explanation:

Let's say you have -2 and you want the absolute value of it. -2 on a number line would be 2 places away from zero making it's absolute value 2. The absolute value of a number will never be negative either.

7 0
3 years ago
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