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3 years ago

Which rule best describes the following pattern?

Mathematics

2 answers:

mr Goodwill [35]3 years ago

5 0

I think it is Add 1, add 8, repeat :))

Oksanka [162]3 years ago

3 0

Answer:

Add I, add 9, repeat.

Step-by-step explanation:

It is because if you look at the Add 9 subtract 8, repeat. it won't work

If you look at add 10, subtract 9, repeat. it its just like the first one, it won't work.

If you look at add 1, add 10, repeat, it also won't work from when you are getting 6 to 15.

So if you look at Add I, add 9, repeat., it works for all.

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The rate of 225 mi in 7 hr written as a unit rate

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Answer:

32.14 an hour

Step-by-step explanation:

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3 years ago

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Answer:

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3 years ago

What’s the product of 9 and 12

Lera25 [3.4K]

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the amount of gasoline used by a car varies jointly as the distance travelled and the square root of the speed.Suppose a car use

klemol [59]

Answer:

200 litres

Step-by-step explanation:

let g be gasoline used, d the distance travelled and s the speed, then the equation relating the quantities is

g = kd $\sqrt{s}$ ← k is the constant of variation

To find k use g = 25, d = 100 and s = 100, then

25 = k × 100 × $\sqrt{100}$ = k × 100 × 10 = 1000k ( divide both sides by 1000 )

0.025 = k

g = 0.025d $\sqrt{s}$ ← equation of variation

When d = 1000 and s = 64, then

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4 0

3 years ago

39 3.3 5.1 3.3 x find the value in the triangle shown below

prohojiy [21]

9514 1404 393

Answer:

x = 102

Step-by-step explanation:

Isosceles triangles have equal angles opposite equal sides. There are two 39° angles in this triangle (opposite the 3.3 sides), so the third one is ...

x° = 180° -2(39°)

x° = 102°

_____

<em>Additional comment</em>

The triangle is "overspecified", meaning more measures are provided than are necessary to completely describe the triangle. As is often the case in such situations, the measures provided are sufficiently inconsistent that two different "right" answers are possible, depending on how you work the problem. The first attachment shows the solution above.

The second attachment shows the solution you might get by using the Law of Cosines. Note that x=101 in this case.

7 0

3 years ago