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Mrrafil [7]
2 years ago
15

What value of n makes the equation true -1/5+7=2

Mathematics
1 answer:
Elodia [21]2 years ago
7 0

Answer:

where is the n in the equation?

Step-by-step explanation:

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In a weightless environment, an astronaut lose about 1.5% calcium in their bodies per month. Suppose some astronauts flew to Mar
Usimov [2.4K]

Answer:

  12.3 months

Step-by-step explanation:

You want the number of months (m) such that ...

   1 - 17% = (1 -1.5%)^m

Taking logarithms:

  log(0.83) = m·log(0.985)

  m = log(0.83)/log(0.985) ≈ 12.3 . . . . months

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2 years ago
How much would you pay for 5 apples at the rate of $6.60 a dozen?
V125BC [204]

Answer:

You would pay $2.75

Step-by-step explanation:

a dozen = 12

6.60 / 12 = $0.55

0.55 x 5 = 2.75

7 0
2 years ago
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Angelica's biweekly salary is $2240.<br> What is her gross monthly salary?
ArbitrLikvidat [17]

Answer:

Monthly = 4853.33

Bi weekly = $2240

x26 = 58240

/12 =4853.33333333

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4 0
3 years ago
Mis Meyer's paid $3600 all together for the equipment, furniture and decorations for her restaurant. The equipment cost $500 mor
Tju [1.3M]

Answer:

The equipment will cost $1740.

Step-by-step explanation:

Let the Cost of equipment, furniture and decoration be x, y and z.

Now, According to question,

x + y + z = 3600 ...... (1)  (cost of all items)

x = 500 + y (∵ equipment cost 500 more than furniture)

and y = 2z ( ∵ furniture twice as much as decoration)

so, z = y/2

Now substituting the value of x and z in eq (1)

x + y + z = 3600

500 + y + y + \frac{y}{2} = 3600

2y + \frac{y}{2} = 3600 - 500

\frac{5y}{2} = 3100

y = \frac{3100\times 2}{5} = 1240

So, the cost of furniture (y) = 1240

∴ Cost of equipment = y + 500 = 1240 + 500 = 1740

Therefore the cost of equipment was $1740.

3 0
2 years ago
What is the simplified expression for
Nadusha1986 [10]
Exact form : 4/3
decimal form : 1.3
3 0
3 years ago
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