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4 years ago

14

In a volcano, erupting lava flows continuously through a tube system about 17 kilometers to the sea. Assume a lava flow speed o

f 0.5 kilometer per hour and calculate how long it takes to reach the sea.

1 answer:

STALIN [3.7K]4 years ago

3 0

Answer:

about 36 hours

Step-by-step explanation:

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What number goes on top and how do you solve it.

vekshin1

So basically, each number is equal to the two numbers below it added together.

See, 7 = 3+4, 8 = 5 +3, etc.

So, the top would be 16 + 17.

16 + 17 = 33

So 33 goes on top.

4 0

4 years ago

Can someone help last one :((

vovangra [49]

Answer:

40.49cm²

Step-by-step explanation:

I hope it helps

8 0

3 years ago

Please Help! I need an explanation for how to do this... Step-by-step directions would be great!

spin [16.1K]

$\dfrac{8x^2y^2-4xy^2}{4xy}=\\
\dfrac{8x^2y^2}{4xy}-\dfrac{4xy^2}{4xy}=\\
2xy-y
$

8 0

3 years ago

3 over 4 open parentheses 1 half x space minus space 12 close parentheses space plus space 4 over 5

lesantik [10]

For this case we have the following expression:

$\frac {3} {4} (\frac {1} {2} x-12) + \frac {4} {5}$

Rewriting the expression we have:

We apply distributive property to the terms of parentheses:

$\frac {3} {8} x- \frac {36} {4} + \frac {4} {5}\\\frac {3} {8} x-9 + \frac {4} {5}\\\frac {3} {8} x- \frac {41} {5}\\$

Answer:

$\frac {3} {8} x- \frac {41} {5}$

4 0

3 years ago

In a population of grasshoppers, the ratio of grasshoppers with a white marking to those without a white marking is 2:3. An ento

LekaFEV [45]

Answer:

D. 116

Step-by-step explanation:

Let the grasshoppers with a white marking be 2x.

Let the grasshoppers without a white marking be 3x.

2x + 3x = 290

5x = 290

x = 290 / 5

x = 58

The grasshoppers with a white marking

= 2x

= 2 ( 58 )

= 116

3 0

3 years ago