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barxatty [35]
3 years ago
7

How do you do this math question?

Mathematics
2 answers:
Stella [2.4K]3 years ago
8 0
-5x - 8 = 7
=> - 5x  = 7 + 8 
=> - 5x = 15 
=>   x  = 15 / -5 
=>   x   = - 3 ..

Hope it helps !!!
Pani-rosa [81]3 years ago
4 0
You add 8 to the 7 then divide the sum of 8 and 7 by -5 to get x= -3
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Juli2301 [7.4K]

Answer: The linear system of equations that models this scenario are

T + B = 15

3T + 2B = 38

Step-by-step explanation:

Let T represent the number of tricycles.

Let B represents the number of bicycles ordered.

The recreation center ordered a total of 15 tricycles and bicycles from a sporting good store. It is expressed as

T + B = 15

A tricycle has three wheels. A bicycle has 2 wheels. The number of wheels for all tricycles and bicycles total 38. The expression would be

3T + 2B = 38

6 0
3 years ago
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Scorpion4ik [409]
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8 0
3 years ago
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PtichkaEL [24]

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7 0
3 years ago
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Marina86 [1]
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6 0
3 years ago
Unrestrained growth of cells in a petri dish can be extremely rapid, with a single cell growing into a number of cells, N, given
Fiesta28 [93]

Answer:

New Formula is N(t) = 30t

You should expect 90 cells

Step-by-step explanation:

✔️The new formula that would represent the number of cells when 30 isolated cells are used to start a culture would be:

N(t) = 30t

✔️Number of cells, N(t), to expect after 3 hours, t:

Substitute t = 3 into N(t) = 30t

Thus:

N(30) = 30*3

N(30) = 90

You should expect 90 cells

5 0
3 years ago
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