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Step2247 [10]
3 years ago
10

Calcula 40 – {28 – (- 5) + - 9 + (12 – 38 + -25) – (-7)}

Mathematics
1 answer:
Tems11 [23]3 years ago
3 0

Answer:

60

Step-by-step explanation:

This is a simple question.

Good luck!

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2.42

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A bulb can either be on or off. A board contains 20 bulbs connected to a randomization circuit that lights up a random sequence
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The chance that any given bulb is on is equal to 1/2.  The chance that all twenty bulbs are on at the same time is (\frac{1}{2}) ^{20} = \frac{1^{20}}{2^{20}} = \frac{1}{1048576}
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Please help<br> A) y&lt; 2x+4<br> B) y&lt; 1/2x+3<br> C)y&gt; 1/2x+3<br> D) y&gt; 2x+3
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4 0
3 years ago
Show answer in lowest terms. 25/75+ 25/125=
Anit [1.1K]
Hi Jujub! To find the answer in lowest terms, first you have to find the lowest common denominator. To find this, find the lowest common multiple of 75 and 125, which is 375. Now, to make the common denominator, you have to make equivalent fractions. 375 ÷ 75 = 5, and 5 × 25 = 125. So the new fraction is 125/375.  Now the same thing for 25/125.  375 ÷ 125 = 3, and 3 × 25 is 75. So the new fraction is 75/375.  Now add the new fractions:  
125/375 + 75/375 =  200/375

This answer can be simplified to 8/15.
5 0
3 years ago
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