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saveliy_v [14]
3 years ago
10

the science department buys the equipment shown in the table. they bought all three items this year. in how many years will they

have to buy all three items again. What was the strategy to yes to solve the problem. microscopes every 5 years , safety goggles every 4 years , test tubes every 2 years.
Mathematics
2 answers:
belka [17]3 years ago
8 0

Answer:

20 years

Step-by-step explanation:

20 is the lowest common multiple of 5,4,2

weeeeeb [17]3 years ago
4 0

Answer: the answer is in 20 years


Step-by-step explanation:

5): 5, 10, 15, [20]

4): 4, 8, 12, 16, [20]

2): 2, 4, 6, 8, 10, 12, 14, 16, 18, [20]

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(2x + 3y) + (4x - 3y) = 11+(-5)
Maurinko [17]

Answer:

The correct option should have been 6x=6.

Step-by-step explanation:

Given the expression

\left(2x\:+\:3y\right)\:+\:\left(4x\:-\:3y\right)\:=\:11+\left(-5\right)

solving the expression

\left(2x\:+\:3y\right)\:+\:\left(4x\:-\:3y\right)\:=\:11+\left(-5\right)

Remove parentheses:  (a) = a

2x+3y+4x-3y=11-5

Group like terms

3y-3y+2x+4x=11-5

Add similar elements

6x=6

It is clear that not a single given option is 6x=6. It means no option is correct. It seems you mistyped the correct options.

The correct option should have been 6x=6.

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A shipping tube is shaped like a triangular prism. The bases are equilateral triangles with edges of 5 inches and a height of 4.
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Step-by-step explanation:

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3 years ago
2(x + 8) = x + 20 help meeeeeeee !!!!! i <br> need help
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Step-by-step explanation:

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