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Soloha48 [4]
2 years ago
7

Let's say the area of the map is 21

Mathematics
1 answer:
patriot [66]2 years ago
6 0
Keep up the good work man
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Can someone please check my answer for this question?
faust18 [17]

Answer: its correct the everage os 45.8666 but can be rounded to 45.87

Step-by-step explanation:

5 0
2 years ago
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A country is considering two income tax rates. Geoffrey is comparing what his tax bill would be under each plan. Under plan A, h
Nataliya [291]
The total tax rate for each plan is computed below:
Plan A= [5%(10000)]+[10%(85000)]+[(15%(3000)]
Plan A= $9450
For Plan B, tax is computed at 10% across all earnings
Plan B= 10%x(98000)
Plan B= $9800
Difference = Plan B-Plan A=($9800-$9450)
                   = $350
From the computed tax rate in each plan. Plan B will pay $350 more than Plan A.

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2 years ago
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A certain ferry moves up and down a river between Town A and B. It takes the ferry two hours to travel to Town A and only an hou
Y_Kistochka [10]

Answer:

The distance between two cities is <em>60 miles.</em>

Step-by-step explanation:

Time taken to travel from B to A = 2 hours

Time taken to travel from A to B = 1.5 hours

Current speed = 5 mph

Let the speed of ferry in still water = <em>u</em> mph

When the ferry moves with the current, it will taken lesser time (i.e. A to B) and when it moves against the current it will take more time (i.e. B to A).

Let the distance between the two cities A and B = D miles

While moving with the current, speed = (u+5)\ mph

While moving against the current, speed = (u-5)\ mph

Formula for Distance = Speed \times Time

Distance traveled in each case is same i.e. D.

So,

D = (u+5) \times 1.5 = (u-5) \times 2\\\Rightarrow 1.5u+7.5=2u-10\\\Rightarrow 0.5u =17.5\\\Rightarrow u = \dfrac{175}{5}\\\Rightarrow u = 35 \ mph

Now,

D = (u+5) \times 1.5\\\Rightarrow D =(35+5) \times 1.5\\\Rightarrow D =(40) \times 1.5\\\Rightarrow \bold{D =60\ miles}

So, the distance between two cities is <em>60 miles.</em>

6 0
1 year ago
At a local fitness center, members pay a $14 membership fee and $5 for each aerobics class. Nonmembers pay $6 for each aerobics
nata0808 [166]

Answer:

that would be $25 for each.

5 0
1 year ago
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Difference of squares gives which complex factors for the expression x^2+13
Serga [27]

The Given Expression is : → x² + 13

  =  x² + (√13)²

=  x² - ( i √13)²  As , i²= -1 because , i = √-1

= (x - i√13)(x +√13)   → Using the formula , A² - B² = (A-B)(A+B)

Out of the four options Given : Option C →(x - i√13)(x +√13) is true regarding the expansion of function x² + 13.

7 0
2 years ago
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