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blondinia [14]
2 years ago
11

what if the ice caps were melting even more rapidly and san francisco was losing about 2% of its land area per year as land and

streets went under water. the city is only about 49 square miles in area
Mathematics
1 answer:
Helga [31]2 years ago
7 0

The exponential function that shows San Francisco area after x years is y = 49(0.98)ˣ

<h3>What is an exponential function?</h3>

An exponential function is in the form:

y = abˣ

Where a is the initial value of y and b is the multiplication factor.

Let y represent the land area of San Francisco after x years. Hence:

The city is only about 49 square miles in area, a = 49. It is losing 2% yearly, hence b = 100% - 2% = 0.98

The equation becomes y = 49(0.98)ˣ

Find out more on exponential function at: brainly.com/question/12940982

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How do you solve this?
Hatshy [7]

Answer:

y = -3/2x + 5/2

Step-by-step explanation:

Point: (5, -5)

Parallel to: y = -3/2x + 2

Slope= -3/2 (parallel lines have the same slope)

y-intercept = -5 - (-3/2)(5) (y - slope times x) =

-5 + 15/2 = 5/2

8 0
3 years ago
What is the area of the right triangle shown?
prisoha [69]
The 30:60:90 proportion is 1:sqrt 3: 2

So,

x = 10/2
x = 5

y = 10/sqrt 3

Finding the area:

1/2 * 5 * 10/sqrt 3
25/sqrt 3

Hope this helps!
3 0
3 years ago
Find the center and radius of the circle. Show all work
Alona [7]

The center is (-1, -2) and the radius of the circle is 5.

<h3>What is the equation of a circle?</h3>

The circle equation formula refers to the equation of a circle which represents the center-radius form of the circle.

A circle can be represented as;

\rm (x-h)^2+(y-k)^2=r^2

Where; h and k are the center of the circle r is the radius of the circle.

The given equation of the circle is;

\rm (x+1)^2+(y+2)^2=25

Comparing both the equations;

\rm (x+1)^2+(y+2)^2=25\\\\\rm (x+1)^2+(y+2)^2=5^2\\\\h = -1\\\\k = -2\\\\r^2=5^2\\\\r=5

Hence, the center is (-1, -2) and the radius of the circle is 5.

Learn more about circle here;

brainly.com/question/11833983

#SPJ2

3 0
2 years ago
Read 2 more answers
Question is in the picture
ANTONII [103]

Answer:

She forgot to flip the inequality sign when dividing both sides by -4

8 0
3 years ago
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Who ever answers this will get a year of good luck also 25 points I think
Natalija [7]

the first one is 0.00001

Step-by-step explanation:

its on the screen

5 0
3 years ago
Read 2 more answers
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