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GaryK [48]
4 years ago
13

3. Find x. 9 3x + 4 9 6x-2 39

Mathematics
1 answer:
Naddika [18.5K]4 years ago
7 0
The way you wrote the problem is kind confusing so I’m assuming this 3x+4=6x-2

6=9x

X= 2/3

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A chef cooked 7 kilograms of food for dinner. He ate 11/12 of the amount, how much did he eat?
Bogdan [553]

11/12 of 7 is simply their product.


\bf 7\cdot \cfrac{11}{12}\implies \cfrac{77}{12}\implies 6\frac{5}{12}

5 0
4 years ago
What is 83 + 119 + 17 =
Fittoniya [83]

Answer:

219

Step-by-step explanation:

83 + 119 = 202

202 + 17 = 219

3 0
3 years ago
Read 2 more answers
-2(3z+8) = 1/3(9-18z)
snow_tiger [21]
-2(3z+8)=1/3(9-18z)
-6z-16=1/3(9-18z)
-6z-16=1/3(-18z+9)
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———-
3
0=57

The input has no solution
5 0
3 years ago
Read 2 more answers
Let the universal set, s, have 66 elements. a and b are subsets of s. set a contains 19 elements and set b contains 34 elements.
Otrada [13]

The cardinality of the union between two sets is given by

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In fact, if an element is in both A and B, it is counted in both N(A) and N(B), so we're counting it twice. By subtracting the cardinality of the interserction, we're taking back one of these "extra-counted" element, and the count is correct. In your case, the numbers are

N(A \cup B) = 19+34-10 = 43

This means that the two sets cover, without repetitions, 43 of the 66 elements in the sets. So, there are

66-43 = 23

elements which are in neither A nor B

5 0
3 years ago
3/8 of the cast sing and what fraction doesn't sing
makkiz [27]
5/8 of the cast doesn't sing. To get this answer, you must do 8/8 - 3/8. This would give you 5/8 because 8-3 equals 5 and the denominators just satay the same. 
7 0
3 years ago
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