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Whitepunk [10]
3 years ago
11

Which equations show that the set of whole numbers is closed under multiplication?

Mathematics
1 answer:
irina1246 [14]3 years ago
3 0
C and D.............................
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find an equation for the nth term of the arithmetic sequence. -15, -6, 3, 12, ... select one: a. an = -15 9(n 1) b. an = -15 x 9
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Solve the equation. X- 8 = 12
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Maliha thinks of a number x write an expression for the number Maliha gets when she multiples the number by 3
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Step-by-step explanation:

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Match the compound inequalities
kondor19780726 [428]

I one is 8x<24 and -8≤2x-4

Hence x <24/8 =3 and -4≤2x:  divide by positive 2 to get -2≤x

Hence solution is -2≤x<3

Therefore c is the correct matching for 1.

2) 5x-2>13 or -4x≥8  

i.e. 5x>15 or x≤8/(-4) = -2 (since dividing by negative inequality reverses)

Or x>3 or x ≤-2

Hence solution is two regions to the right of 3 excluding 3 and left of -2 including -2.

Graph b is the correct match.

3) -25≤9x+2<20

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-3≤x<2

Hence graph is the region between -3 and 2 including only -3.

Graph a is correct matching for question 3.

5 0
3 years ago
For the family picnic, Dana's mom buys a box of 12 forks, a box of 18 spoons, and a box of 24 knives. How many boxes of each wil
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Answer:

72

Step-by-step explanation:

This is assuming the following:

1) fork boxes comes with 12 count.

2) spoon boxes comes in 18 count.

3) knife boxes comes in 24 count.

Find the least common factor:

12: 12, 24, 36, 48, 60, 72

18: 18, 36, 54, 72

24: 24, 48, 72

72 is the least common factor shared by all these numbers.

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