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Snezhnost [94]
3 years ago
11

A bag contains 10 red marbles, 15 green marbles, and 15 blue marbles. If Dawshawn draws a marble from the bag, what is the proba

bility that it is a red marble?
Mathematics
1 answer:
Lyrx [107]3 years ago
5 0

Answer:

10/40 or a 1 in 4 chance he will grab a red marble

Step-by-step explanation:

You add up all of the marbles;

10+15+15

40

Now you take the number of red marbles are divide it by 40;

10/40

That is your answer.

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which functions have a range of all real numbers ? check all that apply. A. y=csc x B. y=sec x C. y=tan x D. y= cot x
Natalka [10]

None of these. All of these functions are defined as ratio of trigonometric functions.

Trigonometric functions have infinite zeroes, so when you put them in the denominator, they lead to infinitely many points of ill-definition.

Specifically, we have:

\csc(x) = \dfrac{1}{\sin(x)}

which is undefined at

\sin(x)=0\iff x=k\pi, k\in\mathbb{Z}

\sec(x) = \dfrac{1}{\cos(x)}

which is undefined at

\cos(x)=0\iff x=\dfrac{\pi}{2}+k\pi, k\in\mathbb{Z}

\tan(x) = \dfrac{\sin(x)}{\cos(x)}

which is undefined at

\cos(x)=0\iff x=\dfrac{\pi}{2}+k\pi, k\in\mathbb{Z}

\cot(x) = \dfrac{\cos(x)}{\sin(x)}

which is undefined at

\sin(x)=0\iff x=k\pi, k\in\mathbb{Z}

4 0
3 years ago
is it possible to have three points that would not fit on the same plane 2 dimensional surface? Why or why not
Alisiya [41]
<span>No. Three points could be the three points of a triangle. Triangles are two dimensional surfaces. Therefore, any three points could exist on a two dimensional triangle.</span>
3 0
3 years ago
Which<br> graph shows a dilation?
lukranit [14]
The second one from the top shows a dilatation.
6 0
2 years ago
What is the name of the relationship between 1 and 8?
leva [86]
They are made by 1. 4 is made by 2, 8 is made by 2 and 4, 6 is made by 2 and 3.
5 0
3 years ago
Read 2 more answers
Find x<br> options;<br> a) 21√2/2<br> b) 21√2<br> c) 21√3/2<br> d) 7
pishuonlain [190]

The value of x is  21√2/2

The correct option is (A)

<h3>What is Trigonometry?</h3>

Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles.

In triangle having angle 60.

sin 60 = P/ 7√3

√3/2= P/7√3

2P= 21

P= 21/2

Now again

cos 45= 21/2/x

1/√2 = 10.5/x

x=  21√2/2

Learn more about trigonometry here:

brainly.com/question/26719838

#SPJ1

6 0
2 years ago
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