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N76 [4]
2 years ago
14

Help me please i dont get it.

Mathematics
2 answers:
Trava [24]2 years ago
7 0

Answer:

x > -1/3

Step-by-step explanation:

so first we are going to distribute the numbers outside of the parenthesis. which gives us the equation

18-9x-8+12x > 9

then we are going to add our like terms

so 12x + -9x gives us 3x

and 18 + -8 gives us 10

so it would gives us the equation 3x+10>9

we then subtract 10 from both sides to keep our numbers on the right which gives us

3x > -1

then we divide by 3 on both sides to get X

and we then get X > -1/3

Andre45 [30]2 years ago
3 0

Answer:

x >  -  \frac{1}{3}

Step-by-step explanation:

9(2 - x) - 4(2 - 3x) > 9

18 - 9x - 8 + 12x > 9

10 + 3x > 9

3x > 9 - 10

3x >  - 1

\boxed{\green{x >  -  \frac{1}{3}}}

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Use counting to determine the whole number that corresponds to the cardinality of these sets:______. (a) A= (xl x € Nand 20.&lt;
Harlamova29_29 [7]

Answer:

Step-by-step explanation:

Cardinality of a set is defined as number of element in a set. It is represented as n(X) where X is any set.

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A = (21, 22, 23, 24, 25, 26)

According to the set A, it can be seen that there are 6 elements in the set, <em>this means n(A) = 6.</em>

b) Given B=(x | xeN and x+1=x)

Since natural numbers starts from 1, the first element in the set is 2 i.e 1+1

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<em>The number of whole number in the set is therefore infinite. </em>

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d)  D={xlx E N, H X 5 100, and x is divisible by both 5 and 8)

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values of x divisible by 8 = (16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96)

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3 0
3 years ago
83/6 as a mixed number
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8 0
2 years ago
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Dmitriy789 [7]
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6 0
3 years ago
Jackson Middle School has 3 students in choir for every 1 student in band. If there are 52 students in band, how many students a
Monica [59]

Answer:

A. 156 students are in choir

Step-by-step explanation:

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6 0
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