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koban [17]
3 years ago
11

How many solutions exist for the given equation? 0.75(x+40)=0.35(x+20)+0.35(x+20)please hurry

Mathematics
1 answer:
larisa86 [58]3 years ago
3 0

Answer:

only one

Step-by-step explanation:

0.75x+30=0.35x+7+0.35x+7

x=-320

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Most everyday situations involving chance and likelihood are examples of ______. simple probability permutations conditional pro
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Answer:

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Explanation:

The probability is the chance or likelihood of any event happening. In our everyday life, we unintentionally use the probability. For example, we say there is 70% chance that tomorrow will be rain, there is 50% chance that Brazil will win the world cup, there is less likelihood of he arriving today and soon. In all these concepts we are dealing with uncertainty and there is chance factor involved in all these examples. So in most everyday situations which involve chance and likelihood are actually examples of simple probability.

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An airliner travels 50 miles in 6 minutes. What is its speed in miles per​ hour?
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3 years ago
HELP ASAP SHOW WORK PLZ !!! Multiply first
vlada-n [284]

solve by elimination

we can see that we can eliminate y from both equations by mulitpying the 2nd equation by 2 and adding them


x+6y=1

<u>4x-6y=64 +</u>

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5x=65

divide both sides by 5

x=13

subsitute back

x+6y=1

13+6y=1

minus 13 both sides

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divide by 6 both sides

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solution is x=13 and y=-2 or (13,-2) is the solution


4 0
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9 - 5 = 4 \\  \dfrac{4}{5}  =  \dfrac{80}{100}  = 80\%

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Hope this helps. - M
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