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katovenus [111]
3 years ago
10

City A had a population of 175,000 residents in 2018. The population is increasing at a rate of 10% per year. City B has a popul

ation that can be modeled B(t) = 350,000(0.97)t where t represents the number of years since 2018.
What is the initial population of City A?
What is the growth rate of City A?
What function model for the population of City B?
Does the model for B(t) represent an exponential growth or decay?
Mathematics
1 answer:
romanna [79]3 years ago
8 0

Answer:

Fun fact actually really really  sad fact I don't know the answer

Step-by-step explanation:

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A circular ice rink is being built in town. Around the ice rink, a walkway will be built. The ice rink will have a diameter of 8
Archy [21]
 so the ice rink diameter is 80 feet what mean that the radius of ice rink is 40 feet the walkway is 10 feet wide so 10+40=50 what mean that the radius and the walkway wide make 50 feet length together 
using this length area = pi*r^2 = 3,14*(50)^2 = 7850 feet squared
area of ice rink = 3,14*40^2 = 5024 feet squared 

area of the walkway = 7850-5024 = 2826 feet squared 

hope helped 
8 0
4 years ago
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Please help me with these question.
Tatiana [17]

Answer:

1. B

2. C

Step-by-step explanation:

7 0
3 years ago
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What is the answer to (( 5 x 12)/3)+30-50
SpyIntel [72]

I believe the correct answer is 0

Step-by-step explanation:

To solve this question, we use an abbreviation formula called BODMAS which is:

B = Brackets

O = Of

D = Division

M = Multiplication

A = Addition

S = Subtraction

We solve each element that is available in the order of the abbreviated letter.

1. We solve the brackets:

(5\times12) = 60

2. We solve the second bracket:

(60\div3) = 20

The equation now is 20+30-50

3. We now solve addition first:

20+30=50

4. Now we solve the subtraction:

50-50=0

The answer then = 0

8 0
4 years ago
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These ordered pairs, {(2,4) (3,6) (4,8) (5,10)}, are a function.<br><br> True<br><br> False
ki77a [65]

Answer:

True

Step-by-step explanation:

In order for a relation (a set of ordered pairs) to be considered a <em>function</em>, every value in the <em>domain</em> (the set of all the first numbers in the pair) is associated with one value in the <em>range</em> (the set of all second numbers in the pair). This is easiest to see visually. Our domain is the set {2, 3, 4, 5} and our range is the set {4, 6, 8, 10}, and we can visualize the ordered pair (2, 4) as an "arrow" starting a 2 in the domain and ending at 4 in the range. When seen this way, a relation is a function if <em>every value in the domain only has one arrow coming out of it</em>. We can see from the attached picture that the ordered pairs in the problem are a function, so this statement is true.

8 0
4 years ago
in a certain recipe, 2 1/4 cups of flour are called for to make a cake that serves 6. of mrs. jenkins wants to use the same reci
Phoenix [80]

If in a certain recipe, a cake serving 6 persons require 2(\frac{1}{2} ) cups of flour and Mrs. Jenkins wants to use the same recipe to make a cake for 8, then she will need to use 3(\frac{1}{3}) cups of flour.


As per the question statement, 2(\frac{1}{2} ) cups of flour are required to bake a cake that serves 6. Mrs. Jenkins wants to use the same recipe to bake a cake for 8.

We have to calculate the number of cups of flours she will need to bake her desired cake as per the same recipe.

To solve this question, we will simply use the unitary method, i.e.,

A cake serving 6 required 2(\frac{1}{2} )=\frac{5}{2} cups of flour in its preparation, then,

A cake serving 1 person will require \frac{\frac{5}{2} }{6} =\frac{5}{12} cups of flour, and finally,

A cake serving 1 person will require (\frac{5}{12} *8)=\frac{10}{3}=3(\frac{1}{3}) cups of flour.

Hence, Mrs. Jenkins wants to use the same recipe to make a cake for 8, then she will need to use 3(\frac{1}{3}) cups of flour.

  • Unitary Method: In Mathematics, the unitary method is a problem-solving technique where, we first find the value of a single unit, and then calculate the necessary value by multiplying that single unit value.

To learn more about Unitary Method, click on the link below.

brainly.com/question/23423168

#SPJ4

8 0
1 year ago
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