The doubling time of a city's population is 13 years. How long does it take for the population to quadruple.

Answers

Answer 1

Answer: Lets say the population is 10. It takes 13 years to double to 20. Once it is at 20, it takes another 13 years to double again and be at 40. It takes 26 years for a city's population to quadruple because it will double in 13 years, and then that population will double and take another 13 years.

Answer 2

Answer: Well quadruple is 4x so all you have to do is multiply 13 by two because that itself is just a double population increase, and that's 2x, so naturally we multiply that by 2 again to get 4x

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What percentage did you tip if your lunch was $5 and you left $1

Answers

well 20% of $5 is $1 so u paid a 20% tip

Solve for qqq.\dfrac{3}{5} = \dfrac{q}{10}
5

3
=
10

q
start fraction, 3, divided by, 5, end fraction, equals, start fraction, q, divided by, 10, end fraction
q =q=q, equals

Answers

3/5=q/10
multiply both sides by 5 or cross multiply i fyou like
30/5=10q/10
6=1q
6=q

5/3=10/Q, right? So5x2=10, which would make it 3x2=Q, so Q=6.

The zero mark on the number line represents Maya's home. The negative numbers represent the number of feet Mayawalks from her home toward the left. The positive numbers represent the number of feet Maya walks from her home
toward the right
B
С
D
-100
0
100
Which point represents Maya walking 50 feet from her home toward the left?
O Point A
Point B
Point C
O Point D

Answers

Answer: a is the correct answer

Step-by-step explanation:

Answer:

Step-by-step explanation:

Let x represent the number of pages left to be read in a book consisting of 780 pages.Which of the following is the domain of x?
A. The set of all integers between 0 and 750 inclusive

B. The set of integers

C.the set of whole numbers

D. The set of all real numbers between 0 and 750 inclusive

E the set of real numbers

Answers

Answer:

Step-by-step explanation:

not sure sorry...anyone help this

If a chicken farm sold 3,000 dozen eggs last week, how many individual eggs were sold?A. 36,000
B. 250
C. 3,000
D. 3,600

Answers

The number of individual eggs that were sold is (a) 36,000

How many individual eggs were sold?

From the question, we have the following parameters that can be used in our computation:

Eggs = 3000 dozen

By defintiion

1 dozen = 12

substitute the known values in the above equation, so, we have the following representation

Eggs = 3000 * 12

Evaluate

Eggs = 36000

Hence, a total of (a) 36000 individual eggs were sold

Answers

Answer:

The producer will have maximum profit when x is 5000.

Step-by-step explanation:

Given C(x) = 0.000002x³ - 0.03x² + 400x + 80000

To find the level of production that will yield the maximum profit for the manufacturer, firstly, we differentiate C(x) to obtain C'(x), we then set the resulting quadratic expression to zero and solve. Whichever of the two values obtained from the quadratic equation will be tested to see what we want to find.

Differentiate C(x)

C'(x) = 3(0.000002)x² - 2(0.03)x + 400

= 0.000006x² - 0.06x + 400

Set C'(x) = 0

0.000006x² - 0.06x + 400 = 0

Solve using quadratic formula.

x = [-b ± √(b² - 4ac)]/2a

a = 0.000006

b = -0.06

c = 400

x = [-(-0.06) ± √((-0.06)² - 4(0.000006 × 400)]/2(0.000006)

= [0.06 ± √(0.0036 - 0.0096]/0.000012