2 years ago

Here is a sequence of numbers:

Mathematics

1 answer:

Kazeer [188]2 years ago

4 0

Answer:

It is a fibonacci sequence

Step-by-step explanation:

The Fibonacci Sequence is the series of numbers: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34 etc

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A population of 3000 people doubles in size every 10 years. Determine the population after 50 years.

RUDIKE [14]

Answer:

In 50 years Population is 96000 people.

Step-by-step explanation:

Let population be x

In the first 10 years

Population becomes 2x

In 20 years it becomes 4x

In 10n years it becomes 2^n x

Therefore

for n= 5

x = 3000

Population is 2⁵ (3000)

= 32(3000)

= 96000

Population becomes 96000

Hope it helps...

7 0

3 years ago

The lengths of the sides of a triangle are 2a 3, a – 2, and 3a. Write a simplified expression for the perimeter of the triangle.

ipn [44]

Answer:

2a+3+a-2+3a

6a+1

Step-by-step explanation:

3 0

2 years ago

Read 2 more answers

It takes Shonda of an hour to dry one load of laundry in her dryer. How many hours will it take her to dry 7 loads of laundry?

ElenaW [278]

7 hours because 1 load = 1 hour so 7 loads = 7 hours

3 0

3 years ago

What is the value of x? 38 21 21 Drawing not to scale

Snezhnost [94]

Where is it?
step by step:

3 0

3 years ago

Solve the system: 2x+6y=36 x+4y=20

Assoli18 [71]

Let's solve this problem step-by-step

Let's set:

2x + 6y = 36 -- equation 1

x + 4y = 20 -- equation 2

(equation 2) * 2

2x + 8y = 40 -- equation 3

(equation 3) - (equation 1)

2y = 4

y = 2 -- equation 4

Plug (equation 4)'s value of y into (equation 2)

x + 4(2) = 20

x = 20 - 8

x = 12

Thus x = 12 and y = 2

Let's check, by substituting these values

$2x + 6y = 36\\2(12)+6(2) = 36\\24+12=36\\36=36\\\\x+4y=20\\12+4(2)=20\\12+8=20\\20=20$

Answer: x = 12 and y = 2

Hope that helps!

5 0

2 years ago