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scoray [572]
3 years ago
9

A box of colored pencils contains exactly 6 red pencils. The probability of choosing a red pencil from the box is 2/7. How many

of the pencils in the box are not red? *
1 point
A. 5
B. 15
C. 21
D. 30
Mathematics
1 answer:
ZanzabumX [31]3 years ago
4 0

Answer:

B.21

Step-by-step explanation:

Calculator

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Stels [109]
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8 0
3 years ago
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Which trigonometric function has a range that does not include 0.4?
Montano1993 [528]
<h2>Hello!</h2>

The answer is: y=cscx

<h2>Why?</h2>

Domain and range of trigonometric functions are already calculated, so let's discard one by one in order to find the correct answer.

The range is where the function can exist in the vertical axis when we assign values to the variable.

First:

y=cosx: Incorrect, it does include 0.4 since the cosine range goes from -1 to 1 (-1 ≤ y ≤ 1)

Second:

y=cotx: Incorrect, it also does include 0.4 since the cotangent range goes from is all the real numbers.

Third:

y=cscx: Correct, the cosecant function is all the real numbers without the numbers included between -1 and 1 (y≤-1 or y≥1).

Fourth:

y=sinx : Incorrect, the sine function range is equal to the cosine function range (-1 ≤ y ≤ 1).

I attached a pic of the csc function graphic where you can verify the answer!

Have a nice day!

8 0
4 years ago
What is the area of the shape?
earnstyle [38]

Answer:

30

Step-by-step explanation:

7 * 3 = 21

3 * 3 = 9 which covers for both triangles

each triangle is half of a square. so each triangle is 4.5 sq. units

add 21 with 9

21 + 9 = 30

6 0
4 years ago
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Please help if you help you are swag!!
Ostrovityanka [42]

Answer:

I THINK it's A but i might be wrong, good luck tho

Step-by-step explanation:

3 0
3 years ago
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Answer:

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Step-by-step explanation:

So solve this problem, we just need to divide 20 miles by 4 days.

20 ÷ 4 = 5

Therefore, Dequan walks 5 miles per day.

Hope this helps! :D

5 0
3 years ago
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