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MArishka [77]
3 years ago
6

Please help answer choices: A:0.125 B:0.20 C:0.80 D:1.0

Mathematics
2 answers:
Allisa [31]3 years ago
7 0

Answer:

B 0.2

Step-by-step explanation:

First find out how many marbles are in total

16 + 8 + 6 + 9 + 1 = 40

Then simply divide the number of green marbles by the total.

8 / 40 = 0.2

Korolek [52]3 years ago
3 0

9514 1404 393

Answer:

  B:  0.20

Step-by-step explanation:

Green was selected 8 of the 40 times. We expect its probability of selection to be about ...

  8/40 = 1/5 = 0.20 . . . p(green)

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Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Yanka [14]

Answer:

The answer is A. k = 4.25.

Step-by-step explanation:

To find proportionality, solve for 8.5 divided by 2 and 17 divided by 4.

Both of those answers are 4.25, so that would be the final answer.

<h2><u><em>PLEASE MARK AS BRAINLIEST!!!!!</em></u></h2>
3 0
2 years ago
Read 2 more answers
EXPERTS/ACE/GENIUSES
BlackZzzverrR [31]
Answer is first one

(2,3)(4,2)(3,1)
3 0
3 years ago
Can you explain it and help me out please​
Anarel [89]

Answer:

c.

Step-by-step explanation:

2x² - 4x - 3 = 0

x= \frac{-b+/-\sqrt{b^{2}-4ac} }{2a} \\\\x= \frac{-(-4)+/-\sqrt{(-4)^{2}-4*2*(-3)} }{2*2} \\\\x= \frac{4+/-\sqrt{16+24} }{4} \\\\x= \frac{4+/-\sqrt{40} }{4} = \frac{4+/-2\sqrt{10} }{4}=\frac{2+/-\sqrt{10} }{2}

6 0
3 years ago
Read 2 more answers
Mark records his science scores in each monthly assessment over a period of 5 months. In the first assessment he scores 76%. In
Trava [24]

This is the complete question:

Mark records his science scores in each monthly assessment over a period of 5 months. In the first assessment he scores 76%. In the second assessment he scores 73%. After that, his scores keep increasing by 2% in every assessment.  Assume that x represents the number of assessments since he starts recording and y represents the scores in each assessment, which of the following describes the situation?

a. a relation only b.

b. neither a function nor a relation

c. a function only

d. both a relation and a function

Answer:

  • <u><em>d. both a relation and a function</em></u>

Step-by-step explanation:

<em>A relation</em> is any statement, either verbal or mathematical, that connects, interrelates or associates, two or more elements (objects, persons, variables).

The text describes a situation where the scores in the assesments are related to the number of statements since Mark starts recording, hence this is a relation.

<h2>Is this relation a function or not?</h2>

In order for a relation be a function, the association has to be unambiguos. This means that for a given input only one output can exist. If an input can have two or more outputs, then you can not determine which is the output for that input. This is what defines whether a relation is a function or not.

In the situation described in the text, x is the input, i.e. the number of assessments since Mark starts recording the scores. Definetely, the number of assessment is not repeated: there is only one first assessment, only one second assessment, only one third assessment, ... the number of assessment cannot not get repeated. Of course, if the input is not repeated, there is only one output associated to the input (each assessment has just one associated score)  and the relation is a function.

3 0
3 years ago
Hello if you're able to answer this question for me please do and provide work, Thank you
Harlamova29_29 [7]
The answer is c to your question
5 0
3 years ago
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