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zlopas [31]
2 years ago
15

In a four year period, about 80,000 acres of coastal wetlands in the United States are lost each year. What integer represents t

he total change in coastal wetlands? Write an equation and solve. (Hint: They are being lost.)
Mathematics
1 answer:
klemol [59]2 years ago
7 0

Answer:

-320000

Step-by-step explanation:

Given

Lost Land = 80,000 acres yearly

Duration 4 years

Required

The total change

Represent the total change with y;

y is calculated as thus;

y = Lost\ Land * Duration

y = -80,000 acres * 4

y = -320000\ acres

<em>Hence, a total of 320000 acres were lost during the period</em>

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sweet-ann [11.9K]

Answer:

I think it might be 30pi m or 94.2 m.

Step-by-step explanation: So you are finding the perimeter of the circle. You have a radius of 15, the perimeter for a circle is C=2pir. Now we can do  C=2pi(15). The answer is 30pi or C=2 x 3.14 x 15= 94.2 Hope this helps.

3 0
2 years ago
7x = 2 <br> what does x equal?
Ira Lisetskai [31]

Answer:

0.29

Step-by-step explanation:

7x=2

/7   /7

x=0.29

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8 0
2 years ago
Read 2 more answers
2 numbers total 47 and have a difference of 21 what are the two numbers
murzikaleks [220]

x+y = 47

x-y = 21

------------  add together

2x =68  divide by 2

x=34

x+y = 47

34+ y = 47

subtract 34 from each side

y = 13

the two numbers are 34 and 13


7 0
2 years ago
Area= <br> Help me please!! Thanks
Lera25 [3.4K]

The area of square LMNP is 50

<h3>What is a circle?</h3>

A circle is the locus of points equidistant from a fixed point which is known as the center of the circle.

A circle is defined if the center and the radius is known.

Analysis:

Perimeter of a circle = 2πr

Given perimeter = 10π

2πr = 10π

2r = 10

r = 10/2 = 5

r = MO

so the diagonal of the square is actually the diameter of the circle = 5+5 = 10

To find the side, x of the square the diagonal and the sides form a right-angled triangle, by  Pythagoras, 10^{2} = x^{2} + x^{2}

2x^{2} = 100

x^{2} = 100/2 = 50

Also area of square is x^{2} = 50

In conclusion, the area of square LMNP is 50

Learn more about circles: brainly.com/question/24375372

#SPJ1

5 0
1 year ago
Simplify and rationalize the expression.
alexandr402 [8]
~-2.15139............ hope it helps

5 0
2 years ago
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