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Gre4nikov [31]
2 years ago
13

Work out the equation of the line which has a gradient of 2 and passes through the point (1,4)

Mathematics
1 answer:
Vladimir79 [104]2 years ago
4 0

Answer:

see photo for detailed analysis

Step-by-step explanation:

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Find the volume of the sphere
son4ous [18]

Given:

The radius of the given sphere = 1 unit

To find the volume of the sphere.

Formula:

The volume of the sphere of radius r is

V = \frac{4}{3} \pi r^{3}

Now,

Substituting r=1 and π=3.14 (as given), we get

V = \frac{4}{3} (3.14)(1^{3}) cube unit

or, V = 4.187 cube unit

Hence,

the volume of the cube is 4.187 cube unit.

5 0
3 years ago
Charles has 12.5 m of railway track. Gavin has 8.6 m and Kristy has 4.8 m. If they put their track together how long will their
KatRina [158]

Answer:

25.9 m

Step-by-step explanation:

Add them all together.

8 0
3 years ago
What is the recursive rule for the following sequence: -9, -2, 5, 12, ….
tino4ka555 [31]

Answer:

The answer is option (C)=an-1+7

Step-by-step explanation:

A recursive rule is a formula that in which each term is expressed as a function of its preceding term(s), meaning in order to get to the nth term you have to express it in a form of the term that comes before it. In our case the a(n-1) term

So for the sequence -9, -2, 5, 12

The nth term is any number on the sequence and

  • -2 is the a(n-1) term for -9
  • 5 is the a(n-1) term for -2
  • 12 is the a(n-1) term for 5

So we need to find out what we have to do to the preceding term to get the next.

To get -2 from -9 we have to add 7 to -9; -9+7=-2

To get 5 from -2 we have to add 7 to -2; -2+7=5

To get 12 from 5 we add 7 to 5; 7+5=12

So the recursive rule would be= a n-1+7

5 0
3 years ago
Shante is calculating the amount of time it takes a rocket to get to the moon. The moon is around 239,000 miles from Earth. How
mel-nik [20]

Answer: 20 hours

Step-by-step explanation: We want to round our answer to the nearest hour, we know that the rocket can travel 200 miles per 1 minute, but we want to know first how many miles the rocket can travel per 60 minutes or 1 hour.

To find how many miles the rocket can travel at 60 minutes or 1 hour, simply multiply 200 x 60. 200 x 60 = 12,000 miles per hour.

Now, we want to find how many hours it would take for the rocket to travel from the earth to the moon.

Simply divide 239,000 by 12,000 to get the amount of hours it would take to reach the moon. 239,000/12,000 = about 20 hours.

So, it would take the rocket ship 20 hours to reach the moon from the earth.

3 0
3 years ago
I will give brainliest<3
Ne4ueva [31]

Answer:

4100 workers

Step-by-step explanation:

8 0
3 years ago
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