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Stolb23 [73]
2 years ago
12

A is two years older than b who is twice as old as c. If the total of the ages of a, b and c be 27, then how old is b?.

Mathematics
1 answer:
RoseWind [281]2 years ago
8 0
A is 12 years
b is 10 years
c is 5 years
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A = {1, 3, 5, 7, 9}
kondor19780726 [428]
The \cap symbol means intersection, so everything that is in both sets, and the \cup symbol means union, so the two sets combined.

B \cup C = \{1, 2, 4, 5, 6, 7, 8, 9, 10\} = S
A \cap S= \{1, 5, 7, 9\}

So the answer is A.

7 0
3 years ago
This is 10 points plz help ( NO LINKS )
Semenov [28]

Answer:

D is correct

Step-by-step explanation:

The opposite of a negative number is the positive version of it which is 3.5 and the absolute value of a number is always the positive version of a number which would make it also 3.5.  For example absolute value of -4 is 4 and absolute value of 5 is 5.

4 0
3 years ago
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Answer:

The steps will be :

1. Draw both equations into the graph.

2. Look for the coordinates where they intersect(curve and line crosses each other). So the coordinates will be (-2,0) and (3,5).

3. The x-value of the coordinates will the solution to the equations.

4. Therefore, the answer will be -2 and 3.

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3 years ago
How do you write 3.684 × 103 in standard form?
lys-0071 [83]
The answer is 379.452
7 0
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What are some strategies you could use to find a relationship between x and y?
tia_tia [17]

Answer:

The statistical relationship between two variables is referred to as their correlation. A correlation could be positive, meaning both variables move in the same direction, or negative, meaning that when one variable's value increases, the other variables' values decrease.

Step-by-step explanation:

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