If P(x)= x2 + x + 3 and Q(x) = 9x2 - 3, find P(8).P(8)=D
(Type an integer or a fraction.)
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Find a 2 digit number less than 50 using these clues. It can be divided by 4 exactly. When 4 is added to it, it can be divided by 5.
Classify the following triangle check all that apply
Please help me I want to pull up my grade.
Solve each inequality. 1. > 10
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Answer:
read explanation
Step-by-step explanation:
Like most areas of Evolutionary Biology, research related to the formation of new species - 'speciation ' - is rich in historical and current debate.
Final answer:
Scientists have different models explaining how new species form. This includes 'Gradual Speciation' and 'Punctuated Equilibrium' models which describe the pace of speciation. Additionally, they consider 'allopatric' and 'sympatric' speciation describing the mechanisms of speciation.
Explanation:
The debate among scientists on how new species form revolves around different models and patterns observed in nature. Two main models of speciation that scientists explore are the 'Gradual Speciation' model and the 'Punctuated Equilibrium' model.
Gradual Speciation proposes that species evolve slowly over an extended period due to slight genetic changes from generation to generation. On the other hand, Punctuated Equilibrium suggests that species remain unchanged for many generations and then undergo rapid changes to form new species in a relatively short period.
Another aspect of the debate involves the mechanisms of speciation, including 'allopatric' and 'sympatric' speciation. Allopatric speciation involves a geographical separation of populations from a parent species and subsequent evolution, while Sympatric speciation is speciation that occurs within a parent species while in one location.
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Answer:
280
Step-by-step explanation:
2/3 x 42=28
28 x 10 = 280
2/3 x 42 = 28
28 x 10 = 280
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|x − 8| = 3/3 = 1
x − 8 =
x =
x = 1 + 8 or x = -1 + 8
x = 9 or x = 7
i.e. minimum temperature is 7 while the maximum temperature is 9
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100 x 25% = 100 x .25 = 25 dollar discount
New price = $75
Now 10% off of $75
10% x 75 = .10 x 75 = $7.50 discount
New price = 75 - 7.50 = $67.50
Now, if you just took 35% off of $100
100 x 35% = 100 x .35 = $35 discount
New Price = 100 - 35 = $65
Bottom line... when you take an "extra" percentage off, you are taking a percentage of a smaller number, so the discount is not as big.
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When rounding 4.237 to the nearest meter, we round down to the nearest whole meter.
The rounded value is 4 meters.
Here, we have,
To round 4.237 to the nearest meter,
we need to consider the digit immediately to the right of the meter place value, which is the tenth place.
If the digit in the tenth place is 5 or greater, we round up.
If it is less than 5, we round down.
In this case, the digit in the tenth place is 3, which is less than 5.
Therefore, when rounding 4.237 to the nearest meter, we round down to the nearest whole meter.
The rounded value is 4 meters.
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