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Tomtit [17]
3 years ago
8

What is the rule for this sequence 6, 18, 54, 162, 486

Mathematics
2 answers:
ahrayia [7]3 years ago
3 0
Multiply the number by 3
Natasha_Volkova [10]3 years ago
3 0
6•3 = 18 •3 =54 • 3 =162 • 3 =486

They all have a factor of 3 and are able to multiply 3 times for each number to get the next.
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the sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find
Allushta [10]

Answer: 1st train = 364 mph, 2nd train = 356.2


Step-by-step explanation:

Train 1: x + 7.8

Train 2: x

Train 1 + Train 2 = Sum

x + 7.8 +     x      = 720.2

           7.8 + 2x = 720.2

                    2x = 712.4

                      x = 356.2


Train 1: x + 7.8

 = 356.2 + 7.8

 = 364

6 0
3 years ago
The high temperature for the day is 28°F. The record low for the day was -12°F. What is the difference in temperature?
forsale [732]

Answer:

40

Step-by-step explanation:

12 + 28

6 0
2 years ago
Read 2 more answers
The formula for the size of a file that was downloaded over time t and at an average rate r is r.t.
lakkis [162]

Answer:

The size of file downloaded is  <em>88 megabytes.</em>

Step-by-step explanation:

Given that:

Average rate of downloading the file = r

Time taken to download = t

Formula for the size of file downloaded = r.t

Rate of downloading, r = 800\ kilobytes/sec

Time taken, t = 110 seconds

To find:

Size of file downloaded in megabytes = ?

Solution:

First of all, let us apply the given formula to find the size of file downloaded:

Size of file downloaded = r.t

Size of file downloaded = 800 kilobytes seconds \times 110 seconds =

<em>88000 kilobytes</em>.

Now, let us convert the unit kilobytes to megabytes to find the answer.

<em>Conversion formula:</em>

1000 kilobytes = 1 megabyte

Let us use unitary method to find the number of megabytes in 88000 kilobytes.

1 kilobytes = \frac{1}{1000} megabytes

88000 kilobytes = \frac{1}{1000} \times 88000 megabytes

\Rightarrow <em>88 megabytes.</em>

Therefore, the size of file downloaded is  <em>88 megabytes.</em>

5 0
3 years ago
If I was asked to think of a number and multiply it by 2, I could
skad [1K]

Answer:

6

Step-by-step explanation:

u use the equation 2x

so It looks like this...2(3)

so the result is 6

pls mark me as brainliest

3 0
3 years ago
Describe the effects of translating abc abc
aleksklad [387]

Answer:

If you meant describe the effects of translating Δ ABC to Δ A'B'C'.

D. Each x - coordinate decreased by 6 and each y - coordinate increased by

Use the coordinate A as an example it moves to the right 6 times(x increasing) and down 3 times (y decreasing)

6 0
3 years ago
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