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Tanzania [10]
3 years ago
10

bag contains 6 red marbles and 12 yellow marbles. If a representative sample contains 3 red ​marbles, then how many marbles woul

d you expect it to​ contain? Explain.
Mathematics
1 answer:
Dafna11 [192]3 years ago
7 0
I think 6 because it’s a ratio

Because the yellow would always be twice as much as the red so 3x2 is 6 just like 6x2=12
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24 students will be divided into 4 equal size terms. Each stundent will count off, beginning with the number 1 as the first team
Readme [11.4K]

Answer:

Nate is in Group 2.

Step-by-step explanation:

Total number of students is 24.

These 24 students are divided equally among 4 groups.

Compute the number of students in each group:

Number of students in each group =\frac{24}{4}=6

Thus, there will be 6 groups.

Now the students are numbered with the first student in the first group numbered as 1.

The groups will be:

Group 1: 1, 2, 3, 4, 5, 6

Group 2: 7, 8, 9, 10, 11, 12

Group 3: 13, 14, 15, 16, 17, 18

Group 4: 19, 20, 21, 22, 23, 24

It is provided that Nate is the 11th student.

Then Nate is in group 2.

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3 years ago
Four friends split the cost of a pizza and salad. The pizza costs $20 and the salad costs $6. Which expression can you use to fi
NeTakaya

Answer:

26 divided by 4= $6.50

Step-by-step explanation:

20+6=26

26 divided by 4 friends = they each paid $6.50

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3 years ago
Read 2 more answers
At the moment a hot cake is put in a cooler, the difference between the cake's and the cooler's temperature is 50° Celsius. This
dybincka [34]

Answer:

D(t)=50(0.8)^t

Step-by-step explanation:

We are given that

Initially the difference between the cake's and the cooler's temperature ,a=50 degree Celsius

r=\frac{1}{5}/min

We have to find the function that gives the temperature difference in degrees Celsius D(t).

We know that

D(t)=a(1-r)^t

Substitute the values

D(t)=50(1-\frac{1}{5})^t=50(1-0.2)^t

D(t)=50(0.8)^t

This is required function that gives the temperature difference in degrees Celsius.

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3 years ago
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If f(x)= -3x + 1, then f^-1(x)=
UNO [17]

Answer:

f^-1(x) = (x-1)/-3

Step-by-step explanation:

Invert equation:

Describe X in original function:

multiplied by -3

add 1

Reverse order:

subtract 1

divide by -3

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2 years ago
Anybody Know This. ?
FinnZ [79.3K]

Answer:

No... i'm sorry

Step-by-step explanation:

4 0
2 years ago
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