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zmey [24]
4 years ago
10

Can anybody help me

Mathematics
2 answers:
Mnenie [13.5K]4 years ago
8 0

I want to say the answer is 1/3 is more than 3/10. Not sure.

avanturin [10]4 years ago
7 0

\frac{1}{3} > \frac{3}{10}

To compare fractions we require them to have common denominators

the lowest common denominator of 3 and 10 is 30

multiply numerators and denominators by the same quantity

\frac{1}{3} × \frac{10}{10} = \frac{10}{30}

and \frac{3}{10} × \frac{3}{3} = \frac{9}{30}

\frac{10}{30} > \frac{9}{30}

thus \frac{1}{3} > \frac{3}{10}


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The answer to the first question is B
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3 years ago
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Convert 72degrees into radians
kramer

Answer:

72° = 1.25 radians

Step-by-step explanation:

As we know that,

1 degree = \frac{\pi}{180} radians

Thus, 72^{\circ} = 72\times\frac{\pi}{180}radians

⇒ 72^{\circ} =\frac{2\pi}{5}radians

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Both degrees and radians are used to measure the angle. They are units of angle.

5 0
4 years ago
Find the distance between points P(1, 2) and Q(4, 8) to the nearest tenth
Basile [38]
Use the distance formula to find the distance.

D=√(x2-x1)^2 + (y2-y1)^2  (the entire equation is square rooted) 
Plug in your numbers 

D=√(4-1)^2 + (8-2)^2
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8 0
3 years ago
A small town has 2000 inhabitants. At 8 AM, 160 people have heard a rumor. By noon half the town has heard it. At what time will
QveST [7]

Answer:

3:36 PM

Step-by-step explanation:

Let fraction (y) of the people that heard the rumor , the differential equation that is satisfied by the by y is,

                            \frac{dy}{dt} = ky(1-y)

Solving the differential equation,

                          y(t) = \frac{y_{o}}{[y_{o} + (1 + y_{o})e^{-kt}]}

The total number of inhabitants of the town = 2000

The number of people that  heard the rumor = 160

At 8 AM, let t = 0,

               y(0) = \frac{160}{2000}

                       = 0.08

By noon, half of the town as heard the rumor.

Then,    

                y(4) = \frac{1}{2}

Therefore,

              \frac{1}{2} = \frac{0.08}{[0.08 + (1 - 0.08)e^{-4k}]}

              \frac{0.08}{[0.08 + 0.92e^{-4k}]} = \frac{1}{2}

              0.08 + 0.92e^{-4k} = 0.16  

              0.92e^{-4k} = 0.16 - 0.08

              0.92e^{-4k} = 0.08

              e^{-4k} = \frac {0.08}{0.92}

              k = - \frac{1}{4} In(\frac {0.08}{0.92})

              k ≈ 0.06106

Calculating time, t when y(t) = 90%

        ⇒ y(t) = 0.9

              \frac{0.08}{[0.08 + 0.92e^{-0.06106t}]} =0.9

              0.08 + 0.92e^{-0.06106t} = \frac {0.9}{0.08}

              0.08 + 0.92e^{-0.06106t} = 0.089

              0.92e^{-0.06106t} = 0.089 - 0.08

              0.92e^{-0.06106t} = 0.0089

              t = - \frac{1}{0.06106}In (\frac{0.0089}{0.92})

              t = 7.59 hours

              ⇒ 7 hours 36 minutes

From 8 A.M. plus 7 hours 36 minutes = 3:36 PM

At 3:36 PM will 90% of the population have heard the rumor

             

             

             

7 0
3 years ago
Carl’s monthly income is $4,000. The circle graph below shows Carl’s monthly budget.
MissTica

Answer:

is there a picture of the graph?

Step-by-step explanation:

4 0
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