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saveliy_v [14]
4 years ago
7

The elevation of city A is 80 feet below sea level; the elevation of city C is 16 feet below sea level. The elevation of city D

is of the elevation of city C.
Part A: Write an expression to represent the elevation, in feet, of city D.

Part B: Solve the expression and explain why the answer is negative or positive.
Mathematics
1 answer:
densk [106]4 years ago
7 0
Http://www.wolframalpha.com/
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Please help I was asigned this for how and I am stuck
Ludmilka [50]

Answer:

-0.555

Step-by-step explanation:

-2/3÷12

=-2/3÷12×3/1×3

=-2/3÷36/3

=-2/3×3/36

=-2/36

=-0.0555

I got this answer but don't know how did you got -8?!

7 0
3 years ago
If the area of a circle is 25 pi, find the length of an arc with a central angle of 240? Any help is appreciated please.
almond37 [142]

Answer:

11.81pi

Step-by-step explanation:

r^2=25pi

r=8.86

length=2pi(8.86)(240/360)

=17.72pi(2/3)

=11.81pi

6 0
3 years ago
QUESTION 9 of 10: You are considering leasing a store site that has 1,800 square feet. The landlord is asking for rent of $55 pe
algol [13]
B) $8,250

explanation: since you have a total of 1800 sq ft and it’s $55 dollars per sq ft for the yr, you would start by finding how much it would cost for a year by taking $55 x 1800 sq ft= $99,000 then since you are trying to find the rent for a month you would take the yr value ($99,000) and divide it by 12 since there are 12 months in a yr
99,000/12 = $8,250
6 0
4 years ago
Please help with this question <br> Thank you
Elden [556K]

Answer:

4.(a) y = -2x + 5

Step-by-step explanation:

6 0
3 years ago
A semi circle is drawn on each side of the square as shown the square has sides length of 2 pi what is the area of the resulting
Marina86 [1]

Step-by-step explanation:

First you find out the area of the square.

Then you find the area of the circle.

After this you add the Two area together.

7 0
3 years ago
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