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pishuonlain [190]
3 years ago
5

If y varies inversely as x and y = 4 when x = 12, find the constant of variation

Mathematics
1 answer:
Artyom0805 [142]3 years ago
3 0
X is not equal to the answer so y is incorrect
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Eh ok how do i do this lol
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Jerome is writing a number in scientific notation. The number is greater than one million and less than ten million. What will b
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vfiekz [6]
To raise a function up by k units, add k to the whole function
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The volume of the rectangular solid below is 1,440 cubic inches. What could be the length and width of this rectangular solid?
Rudik [331]

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5 0
3 years ago
The ratio of red marbles to blue marbles in a bag is 3:4 . If there are 42 marbles in the bag. how many marbles are red?
PolarNik [594]

Answer:

18 marbles

Step-by-step explanation:

Step 1

Express the fraction of each type of marble as a function of the total number of marbles as shown;

Let;

total marbles=x

red marbles=3/(3+4)=3/7x

blue marbles=4/7 x

But x=42 marbles

The total number of marbles for each type can be expressed as;

total number of red marbles=fraction of red marbles×total number of marbles

where;

fraction of red marbles=3/7 x

total number of marbles=42

replacing;

total number of red marbles=(3/7)×42=18 marbles

total number of blue marbles=fraction of blue marbles×total number of marbles

where;

fraction of blue marbles=4/7 x

total number of marbles=42

replacing;

total number of blue marbles=(4/7)×42=24 marbles

5 0
2 years ago
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