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Tresset [83]
3 years ago
12

Population data from three towns is displayed in the tables below. Which town has growth that follows an exponential model?

Mathematics
1 answer:
Usimov [2.4K]3 years ago
7 0

Answer:

It would have to be D.

Step-by-step explanation:

None of the tables display an exponential growth of population.

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a door with width 4.20 m has an arc as shown in diagram .Find: a) radius of the arc B) length of the arc to the nearest cm
EastWind [94]

Answer:

Ok, we know that the width of the door is 4.20m.

Then, if the arc is at the top of the door, we will have that the diameter of that "half circle" will be equal to the width of the door.

Then the diameter of the arc is 4.20m

And the radius is defined as half of the diameter, so we have:

radius = 4.20m/2 = 2.10m

And we can write this in cm (because the probelm ask for it)

1m = 100cm

then 2.10m = 2.1*100cm = 210cm

Now, we know that the perimeter of a circle is:

P = 2*pi*r

where pi = 3.14

Then the perimeter (or arc) of half a circle will be half of that:

Arc = (2*pi*r)/2 = pi*r

and r = 210cm, pi = 3.14

Arc = 3.14*210cm = 659.4cm

4 0
4 years ago
The difference of two complementary angles is 30 degrees. Find the measures of the angles.
oee [108]

Answer:

60 degrees and 30 degrees

Step-by-step explanation:

let the angles be x and y

we are given that the angles are complementary (i.e they sum up to 90 degrees). Hence we can write the first equation:

x + y = 90 ------(eq 1)

we are also given that the difference between the two angles is 30 degrees). Similarly we can write

x - y = 30 ------(eq 2)

now we have a system of 2 equations with 2 unknowns, which we can solve by elimination:

eq 1 + eq 2:

(x + y) + (x - y) = 90 + 30

2x = 120  (divide both sides by 2)

x = 120/2

x = 60 deg (substitute this back into eq 1)

x + y = 90

60 + y = 90 (subtract 60 from both sides)

y = 90 - 60

y = 30 deg.

4 0
3 years ago
suppose the theoretical probability of winning a prize in the carnival game 0.18 based on this probability how many more custome
Harlamova29_29 [7]

The number of customers I would have expected to win the prize is 6.

<h3>How many more customers would I have expected to win the prize?</h3>

Probability determines the chances that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.

Based on the probability, the number of customers I would have expected to win: 0.18 x 300 = 36

How many more people I would have expected to win : 36 - 30 = 6

Please find attached the complete question. To learn more about probability, please check: brainly.com/question/13234031

#SPJ1

6 0
2 years ago
To have $25,000 to spend on a new car in five years, how much money should Jill invest today at 8% compounded monthly?
Mariulka [41]
The answer is B
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3 years ago
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Empirical rule of 139 cm and 193 cm
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<span> 166cm would be your answer.</span>
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