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salantis [7]
3 years ago
7

The Greenland Ice sheet contains about 3 million cubic kilometers of ice. If completely melted, this ice would release about 2.7

million cubic kilometers of water, which would spread out over Earth's approximate 339 million square kilometers of ocean surface. How much would the sea level rise?
Mathematics
2 answers:
vampirchik [111]3 years ago
5 0
  • Volume=2.7million km^3
  • Base=339milliom km^2

\\ \tt\longmapsto Volume=Base\times Height

\\ \tt\longmapsto Height=\dfrac{Volume}{Base}

\\ \tt\longmapsto Height=\dfrac{2.9km^3}{339km^2}

\\ \tt\longmapsto Height=0.00079km

\\ \tt\longmapsto Height=7.9m

LuckyWell [14K]3 years ago
3 0

Answer:

  • 7.96 m

Step-by-step explanation:

<u>The volume formula:</u>

  • V = bh

<u>We have:</u>

  • V = 2.7 million km³
  • b = 339 million km²

<u>Find h:</u>

  • h = V/b
  • h = 2.7 / 339 = 0.00796460176 km ≈  7.96 m
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Answer:

With?

Step-by-step explanation:

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7 0
3 years ago
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Ivanshal [37]

Answer:

  40.5°

Step-by-step explanation:

The relevant trig relation is ...

  Tan = Opposite/Adjacent

In this triangle, that means ...

  tan(x°) = 4.7/5.5

The angle is found using the inverse function:

  x° = arctan(4.7/5.5) ≈ 40.5°

8 0
3 years ago
Arrange the steps to solve the equation square root x+3 - square root 2x-1=-2
stiv31 [10]

Answer:x=31.4919

Step-by-step explanation:

Step1:isolate a square root on the left hand side√x+3=√2x-1-2

Step2:eliminate the radicals on the left hand side

Raise both sides to the second power

√x+3)^2=(√2x-1-2)^2

After squaring

x+3=2x-1+4-4-4√2x-1

Step3:get the remaining radicals by itself

x+3=2x-1+4-4√2x-1

Isolate radical on the left hand side

4√2x-1=-x-3+2x-1+4

4√2x-1=x

Step4:eliminate the radicals on the left hand side

Raise both side to the second power

(4√2x-1)^2=x^2

After squaring

32x-16=x^2

Step 5:solve the quadratic equation

x^2-32x-16

This equation has two real roots

x1=32+√960/2=31.4919

x2=32-√960/2=0.5081

Step6:check that the first solution is correct

Put in 31.4919 for x

√31.4919+3=√2•31.4919-1-2

√34.492=5.873

x=31.4919

Step7:check that the second solution is correct

√x+3=√2x-1-2

Put in 0.5081 for x

√0.5081+3=√2•0.5081-1-2

√3.508=-1.873

1.873#-1.873

One solution was found

x=31.4919

6 0
3 years ago
Which one is it A. B. C. or D.
nadya68 [22]
7x + 2y = 2
2x - y = 10

2y = - 7x + 2
- y = - 2x + 10

2y = -7x + 2
y = 2x - 10

y=\frac{-7x+2}{2}
y= 2x - 10

y = -3.5x + 1
y =  2x - 10

Now, let's find "x" first by doing a substituion !

2x - 10 = - 3.5x + 1
y = 2x - 10

2x + 3.5x = 1 + 10
y = 2x - 10

5.5x = 11
y= 2x - 10

x =  \frac{11}{5.5}=2
y= 2*2 - 10 = 4 - 10 = -6

In short, the answer would be : y = -6 (Option B).

Hope this helps !

Photon



8 0
3 years ago
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