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PtichkaEL [24]
3 years ago
12

I need help plz will give brainliest!!!

Mathematics
1 answer:
Leokris [45]3 years ago
7 0

Answer:

18 red marbles

Step-by-step explanation:

Because the ratio of yellow marbles to red marbles is 1:6 in the population, the expected number of red marbles is 6 times the number of yellow marbles in the representative sample. there should be 18 red marbles.

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Which value is in the domain of f(x)?
Phantasy [73]

Answer:

C) 4  

Step-by-step explanation:

The missing options are:

<em>A) –7 </em>

<em>B) –6  </em>

<em>C) 4  </em>

<em>D) 5</em>

In the picture attached a better representation of the function is shown. There, we can see that in the first interval: -6 < x ≤ 0, -6 is not included, but 0 it is included. In the second interval:  0 < x ≤ 4, 0 is not included, but 4 it is included.

-7 is not included because is less than -6, and only x values greater than -6 are included.

5 is not included because is greater than 4, and only x values less than 4 are included.

5 0
3 years ago
Show all your work. Indicate clearly the methods you use, because you will be scored on the correctness of your methods as well
Dominik [7]

Answer:

To be able to show all working clearly, detailed answer to question is attached as hand written.

Step-by-step explanation:

See attachment with reasons explained below

4 0
3 years ago
23) Find 12 1/2% of 2 dozen​
Ipatiy [6.2K]

Answer:

3

Step-by-step explanation:

To find 12.5% of 2 dozen

We convert 2 dozen into a number which would be:

2×1 dozen (1 dozen = 12)

2×12=24

12.5% of 24 will be

10% of 24 will be 24÷10=2.4

2.5% will be 1/4 of 10%

2.5% = 2.4÷4

2.5%=0.6

12.5%=0.6+2.4

12.5%=3

5 0
3 years ago
Can someone help me im really stuck on this and im trying to pass
Mars2501 [29]

Answer:

7

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
If you have a density of 3g/ml and a volume of 10 ml, what is the mass?
balandron [24]

Alright, lets get started.

If you have a density of 3g/ml and a volume of 10 ml

means density = 3 g / ml

Volume = 10 ml

Formula for density, mass,  volume will be

density = \frac{mass}{volume}

Plugging the value

3 = \frac{mass}{10}

Multiplying 10 in both sides

10*3 = \frac{mass}{10} *10

mass = 30 gm

Hence the answer is 30 gm.   :    Answer

Hope it will help :)


7 0
3 years ago
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