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Tresset [83]
3 years ago
12

How many real roots does he function f(x)=x^2+8x-2 have? A 0 B 1 C 2 D 72

Mathematics
1 answer:
jarptica [38.1K]3 years ago
5 0
I might be wrong but in the calculator it says 0 so is it A
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1035 that should be your answer
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3 years ago
Jose Rivera purchased 7 textbooks for his classes at River Run Community College. The total cost of the texts was $208.55. What
shepuryov [24]
In the question, there are certain information's that are of immense importance in regards to finding the answer. The first information is that Jose Rivera had purchased 7 textbooks for his classes at River Run Community College. The price that Jose Rivera had to pay was $208.55. The average cost per textbook needs to be found.
The cost of 7 textbooks purchased by Jose Rivera = 208.55 dollars
Then
The cost of 1 textbook purchased by Jose Rivera = (208.55/7) dollars
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3 years ago
if 5000000 invested at 4% interest compounded continuously how much will the investment be worth in 30 years
umka21 [38]
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A=furutre amount
P=present amount
e=natural base
r=rate in decimal
t=times in years

A=?
P=5000000
r=0.04
t=30

A=5,000,000e^(0.04*30)
A=5,000,000e^(1.2)
A=16600584.613683
8 0
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What is a equivalent rational number to 1.28 repeating?
goblinko [34]
<span>the line over the 28 means the 28 repeats forever. 1.282828.... and so on let x be the rational number 1.28... we can use this trick: 100*1.282828....= 128.282828... (the decimal 28 part repeats) 100x = 128.28... next: 100x - x = 128.282828... - 1.282828... the .282828... part will be subtracted away 99x = 127 divide both sides by 99 to get x= 127/99</span>
3 0
2 years ago
What is have of the number 21?
Colt1911 [192]

Answer:

21

Step-by-step explanation:

you now aswer to that question yes or no

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