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ivanzaharov [21]
3 years ago
9

Which is the coefficient in the expression 7 + 14 7 x + 14 ?

Mathematics
1 answer:
antiseptic1488 [7]3 years ago
4 0

Answer:

 I have that too

Step-by-step explanation:

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After college you start a job earning $40000 a year. You get a 6% raise each year. a) How much will you earn in year 2?
Elodia [21]
The answer to Part a is $44,800. I did this by 40000*2*3/50 which comes out to 4,800 you add that to your beginning worth, 40,000. Part b is as follows; 9,600 which comes out to be $49,600. Replace the 2 in the original equation to be 40,000*4*3/50. The number '2' and '4' represent the years, and the 3/50 is equal to 6%. 6% in math terms is 3/50. The answer to part c is as follows; 40000*10*3/50 which comes out to be 24,000 so your final answer for part c is: $64,000 I hope this helped! Let me know if you need more work shown, and I'll add more! :)

7 0
3 years ago
Find the real roots of the equation x^4-5x^2-36=0
Usimov [2.4K]
Treat x^4 as the square of p:  x^4 = p^2.

Then x^4 - 5x^2 - 36 = 0 becomes p^2 - 5p - 36 = 0.

This factors nicely, to (p-9)(p+4) = 0.  Then p = 9 and p = -4.

Equating 9 and x^2, we find that x=3 or x=-3.
Equating -4 and x^2, we see that there's no real solution.

Show that both x=3 and x=-3 are real roots of x^4 - 5x^2 - 36 = 0.
6 0
3 years ago
Determine the Type I error if the null hypothesis, H0, is: an electrician claims that no more than 10% of homes in the city are
kap26 [50]

Answer : There are no more than 10% of homes in the city are not up to the current electric codes but actually we do not have evidence to accept it.

Explanation:

The Type I error occurs when the null hypothesis is true but we reject it.

Given null hypothesis : H_0 : an electrician claims that no more than 10% of homes in the city are not up to the current electric codes.

The Type I error for the given situation is that there are no more than 10% of homes in the city are not up to the current electric codes but actually we do not have evidence to accept it.

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3 years ago
The tickets in a box are numbered from 1-20 inclusive. If a ticket is chosen at random and replaced, and then a second ticket is
ozzi
7 + 5 = 12 so is an even number that the ticket the choose
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The only way to sober up after drinking is
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<span>What is the only way to sober up?<span>stuff like cold showers, fresh air, or chewing gum works but time is the only</span></span>
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3 years ago
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