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andrezito [222]
4 years ago
15

146, 74, 38, 20, ? what would the next number be in this sequence?

Mathematics
1 answer:
Anuta_ua [19.1K]4 years ago
3 0
Looking at the numbers, we can see that the differences are 72, 36, and 18. Notice that they are each factors of the next by the same constant 2.

18 * 2 = 36
36 * 2 = 72

There, it means that 18/2 will be subtracted from 20.

20 - 18/2
= 20 - 9
= 11

The next number in the sequence would be 11. Hope this helps!
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What are the coordinates of the pre-image of B'?
dimulka [17.4K]

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b. (-8, -2)

Step-by-step explanation:

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(x, y) ---> (x, -y)

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5 0
3 years ago
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The average cost of a movie ticket is $7.50. If this price increases annually by 7 percent, how much would a movie ticket cost i
Orlov [11]

Answer:

A) $13.79 per ticket

Step-by-step explanation:

Hi, to answer this question we have to apply an exponential increase function:  

A = P (1 + r) t  

Where:  

p = original price

r = increase rate (decimal form)  

t= years  

A = price after t years  

Replacing with the values given:  

A =7.50 (1+ [7/100]) ^9

A = $13.79 per ticket

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4 0
3 years ago
Write how you would explain the following problem using the order of operations to a 5th grader?
jek_recluse [69]

Answer:

PEMDAS

Step-by-step explanation:

Use PEMDAS. Parenthesis, Exponents, Multiplication/Division, Addition/Subtraction.

Start with your parenthesis, which is (9-6). This comes out to 3. Your equation should now look like 2+(3)x5/3

Then, go to your exponents. Since we don't have any, we skip this step.

Now, we look from left to right for any multiplication symbols or division symbols. Finding (3)x5, this comes out to 15. Now rewrite your equation, if should look like this: 2+15/3.

Repeat the last step and find your division symbol, and find this 15/3. That comes out to 5.

The last step is finding addition or subtraction symbols, and since there's only two numbers left we can just solve the problem from here.

2+5=7.

4 0
3 years ago
Common factor of 20 25 40
Harlamova29_29 [7]
That's very easy. The number 5 can go to 20, 25, and 40
5 0
4 years ago
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