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Alchen [17]
3 years ago
8

In a volcano, erupting lava flows continuously through a tube system about 13 kilometers to the sea. Assume a lava flow speed of

0.5 kilometer per hour and calculate how long it takes to reach the sea.
Mathematics
1 answer:
ExtremeBDS [4]3 years ago
8 0

Answer:

26 hours

Step-by-step explanation:

speed = distance/time

s = d/t

st = d

t = d/s

t = (13 km)/(0.5 km/h)

t = 26 h

Answer: 26 hours

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Step-by-step explanation:

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4 years ago
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hayden and jamie completed 20 math problems together, jamie completed 2 more than twice the number that hayden completed. Let p
alexdok [17]

Answer:

2p+2+p = 20

Step-by-step explanation:

Let p represent the number of Math problems Hayden completed.

Let 2p+2 represent the number of Math problems Jamie completed.

Next, we have to<u><em> add them together</em></u> so that the total Math problems they completed will be equal to 20.

Let's solve.

  • 2p+2+p = 20
  • 3p+2 = 20
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Therefore, Hayden completed 6 Math problems.

Next, we have to get how many problems Jamie completed.

Let's solve.

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Therefore, Jamie completed 14 Math problems.

Let's check.

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It's correct!

8 0
3 years ago
(look at image) can i get help with this?
navik [9.2K]

Answer:

m∡A = 14

m∡B = 76

Step-by-step explanation:

Two Angles are Complementary when they add up to 90 degrees.

So 3x -7 + 11x - 1 = 90, which we can solve.

14x - 8 = 90

14x = 98

x = 98/14 = 7

with the knowledge of x=7, we can find the angles:

m∡A = 3·7 - 7 = 14

m∡B = 11·7 - 1 = 76

Supplementary angles are angles that add up to 180 degrees, so the next assignment is very comparable, try it!

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