2 years ago

If you answer i will give you brainliest and heart and make your popularity go up and stuff

Mathematics

1 answer:

exis [7]2 years ago

5 0

Answer:

9300

Step-by-step explanation:

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Danica has laid out floor tiles so they form a rectangle with a perimeter of 18 inches. what is the difference between the great

Keith_Richards [23]

I believe this is right:
Least: 8 (length) x 1 (width) = 8
Greatest: 5 (length) x 4 (width) = 20
Difference: 20 - 8 = 12

3 0

2 years ago

Carly used 15 centimeters of tape to wrap 3 presents. How many presents did Carly wrap if she used 45 centimeters of tape? Assum

Nataly_w [17]

Answer: 9 Presents

Explanation: 15/3 = 45/x.
Cross Multiply: 15x= (45)(3)
Simplify: x= 9

8 0

2 years ago

Which represents the inverse of the function f(x) = 4x?

Licemer1 [7]

Answer:

The inverse is 1/4x

Step-by-step explanation:

y = 4x

To find the inverse, exchange x and y

x = 4y

Solve for y

1/4 x = 4y/4

1/4x = y

The inverse is 1/4x = y

3 0

2 years ago

Read 2 more answers

a country's population in 1992 was 169 million in 1999 it was 174 million estimate the population in 2010 using the exponential

ahrayia [7]

In 1992: t=0 and A=169 million
In 1999: t=7 and P= 174 million

Solve for k: blah blah blah

In 2010: t=18

The answer is : 182 million (trust me)

7 0

2 years ago

A geologist in South America discovers a

diamong [38]

Answer:

This is a radioactive decay / half-life problem.

Initial amount of C 14 = 100% Present Amount = 57%

k = .0001 (that value should be negative)

Nt = No * e^ (k*t)

You need to solve that equation for "time" (equation attached)

time = natural log (Ending amount / Starting Amount) / k

time = natural log (57% / 100%) / -.0001

time = ln (.57) / -.0001

time = -.56211891815 / -.0001

time = 5,621.2 years (age of the bird skeleton)

These problems are quite complicated but I think I know this pretty well.

Need to know more? Visit my website (it's on the graphic).

Step-by-step explanation:

7 0

3 years ago