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Mrac [35]
3 years ago
5

What is the next number in the sequence 3,7,15,31,63,

Mathematics
1 answer:
andrew-mc [135]3 years ago
6 0

Answer:

The next number is 127

Step-by-step explanation:

The sequence is the previous number times 2 plus one.

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If 15% of x is 42, what is x?
Blizzard [7]

Answer:

x=280

Step-by-step explanation:

We have, 15% × x = 42

or,

15

100

× x = 42

Multiplying both sides by 100 and dividing both sides by 15,

we have x = 42 ×

100

15

x = 280

If you are using a calculator, simply enter 42×100÷15, which will give you the answer.

6 0
3 years ago
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Express 0.361 recurring as a fraction.<br> (only the 61 recurs)
Oduvanchick [21]

9514 1404 393

Answer:

  179/495

Step-by-step explanation:

When the repeating decimal starts at the decimal point, the repeating digits can be turned into a fraction by putting them over the same number of 9s. That is, 0.61616161... is equivalent to 61/99.

Here, the repeating part is 1/10 that value, so is 61/990. This is added to the non-repeating part, which is 0.3 = 3/10.

Then the entire decimal is ...

  0.361_61 = 3/10 + 61/990 = (297 +61)/990 = 358/990 = 179/495

7 0
2 years ago
Write a rule that represents the function (0,0)(1,0.5)(2,2)(3,4.5)(4,8)
kirza4 [7]
The rule that represents those numbers is .....idk
6 0
2 years ago
A right triangle has coordinates A(6, 0), B(0, 0), and C(0, 8). What is the perimeter of the triangle?
dimulka [17.4K]

Answer:

C

Step-by-step explanation:

From the given coordinates

A(6, 0), B(0, 0) then AB = 6 - 0 = 6

B(0, 0), C(0, 8) then BC = 8 - 0 = 8

To calculate AC use Pythagoras' theorem on the right triangle formed

AC² = AB² + BC² = 6² + 8² = 36 + 64 = 100

Take the square root of both sides, hence

AC = \sqrt{100} = 10

Perimeter = AB + BC + AC = 6 + 8 + 10 = 24 → C

5 0
2 years ago
Elija, Emily, Edward, and Esme each drew a conclusion about the figure below.
Anvisha [2.4K]
I think the answer is D all of the above
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3 years ago
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