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den301095 [7]
3 years ago
12

I need help with 1 2 3

Mathematics
1 answer:
g100num [7]3 years ago
7 0
D D B I think this should be right
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The population of the town is 2500 and is decreasing at a rate of 3% per year. determine the population after 11 years
Debora [2.8K]

Answer:

\huge \boxed{ \boxed{1675}}

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • percent
  • percentage words problem
  • PEMDAS
<h3>given:</h3>
  • population:2500
  • decreasing rate:3%
<h3>to find:</h3>
  • the population after 11 years
<h3>let's solve:</h3>

according to the question

population decreases in 1 year

2500 \times 3\% \\ 2500 \times  \frac{3}{100}  \\ 25 \times 3 \\ 75

population will decrease in 11 years

  • 75×11
  • 825

so the population of the town after 11 years will be

2500-825

<h2>1675</h2>
4 0
3 years ago
HELLLLLPPPPPPPPP MEEEEEEEE PLEASEEEEEEEEE
dlinn [17]

Answer: I believe it's -2

Step-by-step explanation: PLease mark me as brainlist

8 0
3 years ago
How do you solve 3(5x-2)+1=25
Delvig [45]

Answer:

x = 2

Step-by-step explanation:

3(5x - 2) + 1 = 25 (Given)

3(5x) + 3(-2) + 1 = 25 (Distributive Property of Equality)

15x + -6 + 1 = 25 (Simplify)

15x - 5 = 25 (Simplify)

15x + 5 + 5 = 25 + 5 (Addition Property of Equality)

15x = 30 (Simplify)

\frac{15x}{15} = \frac{30}{15} (Division Property of Equality)

x = 2 (Simplify)

8 0
3 years ago
Read 2 more answers
Please help urgent fasttt
sergeinik [125]

Answer:

  • Perimeter= l1+l2+w3+w4
  • Where l1 and l2 are equal in magnitude
  • Alike w3 and l
  • w4 are equal in magnitude
  • l= (2×w)+8
  • Plug it in to the equation

3 0
3 years ago
Write a quadratic equation whose roots are 5 + i radical 2 and 5 – i radical 2
saul85 [17]
For roots r1 and r2, the factors are (x-r1)(x-r2)

given
r1 and r2 arer 5+i√2 and 5-i√2

(x-(5+i√2))(x-(5-i√2))=
(x-5-i√2)(x-5+i√2)=
remember that i²=-1
x²-10x+27
4 0
3 years ago
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