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natka813 [3]
3 years ago
11

Katherine has 4 red pens, 6 blue pens, and 11 black pens in her book bag. If she randomly pulls out one pen, what is the probabi

lity that it will be black?
Mathematics
1 answer:
sashaice [31]3 years ago
6 0

Answer: 52.38%

Step-by-step explanation:

11 out of 21

11/21

.5238

52.38%

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Find the value for x<br> 15 points for you plus brainliest, 5 star and thanks on answer and profile
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117 units

Step-by-step explanation:

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How many seconds are in 10 1/2 minutes ​
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630 seconds

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4 0
2 years ago
Please give the right answer and show work if possible
Katen [24]

Answer: yes

Step-by-step explanation: yes

6 0
3 years ago
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A bag contains 37 coins consisting of only dimes and quarters. The total amount of money in the bag is $6.85. How many quarters
algol [13]

Answer:

21 quarters

Step-by-step explanation:

When you figure out that a quarter is .25 and a dime is .10 you find out that there are 16 dimes. then make 37-16 to figure out that there are 21 quarters.

8 0
2 years ago
On a coordinate plane, triangle A B C is shown. Point A is at (negative 1, 6), point B is at (negative 1, 1), and point C is at
attashe74 [19]

Answer:

<u> 10 +√10</u>

Step-by-step explanation:

Given the coordinates of the triangle expressed as

A(-1,6), B(-1, 1) and C(2,2)

The perimeter of the triangle=  AB + BC + AC\

Since AB = AC

P = AC + BC + AC

P = 2AC + BC

get the length AC using the formula;

Given A(-1,6) and C(2,2)

AC = √(2-(-1))²+(2-6)

AC = √3²+4²

AC = √9+16

AC = √25

AC = 5

Get BC

B(-1, 1) and C(2,2)

BC = √(2-(-1))²+(2-1)

BC = √3²+1²

BC = √9+1

BC = √10

Perimeter = 2(5)+√10

Perimeter = 10 + √10

Hence the perimeter of the triangle is<u> 10 +√10</u>

6 0
3 years ago
Read 2 more answers
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