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sammy [17]
2 years ago
8

Please help I'll mark brainliest ​

Mathematics
1 answer:
Anon25 [30]2 years ago
3 0

Answer:

32

Step-by-step explanation:

Add up all the numbers and then divide by how many numbers there are.

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♦♦Will mark brainliest♦♦
Blababa [14]
I think the answer is 8.5 h
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2 years ago
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Joan and her brother Justin left a hotel at the same time, driving in opposite directions at constant rates. After traveling for
inessss [21]

Answer:

Joan drive with a speed of 55 miles per hour.

Step-by-step explanation:

Given:- Travelling time (t) = 4 hours.

Travelled distance (d) = 480 miles.

Speed of Justin is 10 miles per hour faster than Joan.

To find:- Speed of Joan = ?

Solution:-

Let speed of Joan be x,

therefore speed of Justin = x+10          ---------------(from given)

Now, Total speed of Joan and Justin = x+x+10

Total speed of Joan and Justin = 2x+10 ------------(1)

Now formula for speed is,

Speed = \frac{distance}{time}

2x+10=\frac{480}{4}                        -------------(from 1 and given)

2x+10=120

2x=120-10

2x=110

\therefore x=\frac{110}{2}

\therefore x= 55

as x is the speed of Joan,

Therefore Joan drive with a speed of 55 miles per hour.

6 0
3 years ago
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Landon has 9 comic books and 33 chapter books.How many books does Landon have?
Dvinal [7]

Answer:

He has 42 books in total.

Step-by-step explanation:

You add 9 + 33 to get 42. 3 plus 9 is 12, so the 1 is carried over to the other 3. Add those together to get a sum of 42.

4 0
3 years ago
I need help finding x.
amid [387]
Maybe using a protractor might help. But know that a straight angle equals 180. I don't really understand it. But use the <span>Pythagorean Theorem so a^2+B^2=c^2</span>
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What is the area of a circle with a 5 ft diameter
yan [13]
Answer:

r = 2.5 ft
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A = 19.634954084936 ft²

Area of a circle:

A = πr² = πd²/4

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3 years ago
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