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IrinaK [193]
2 years ago
8

What time is four past eight at night

Mathematics
2 answers:
Juli2301 [7.4K]2 years ago
7 0

Answer:

8:04 pm

Step-by-step explanation:

Anna007 [38]2 years ago
7 0

Answer:

8:04

Step-by-step explanation:

8 o'clock and four minutes past 8 is 8:04.

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Do rational expressions contain logarithmic functions? A. always B. sometimes C. never
bazaltina [42]

The right answer is C. never


The quotient of two algebraic expressions is a<em> fractional expression. </em> Moreover, the quotient of two <em>polynomials</em> such as:


\frac{1}{x} \\ \\ \frac{3x-2}{1+x} \\ \\ \frac{x^2-4}{x^2+2}


is called a rational expression. So according to this definition rational expressions does not contain logarithmic functions. In fact, a rational expression is an expression that is the ratio of two polynomials like this:


f(x)=\frac{P(x)}{Q(x)} \\ \\ with \ Q(x) \neq 0

3 0
3 years ago
Read 2 more answers
Solve equation, check for extraneous solutions
fiasKO [112]

Start with

1=\dfrac{1}{n^2}+\dfrac{n^2-4n-5}{3n^2}

We observe that both fractions are not defined if n=0. So, we will assume n \neq 0.

We multiply both numerator and denominator of the first fraction by 3 and we sum the two fractions:

1=\dfrac{3}{3n^2}+\dfrac{n^2-4n-5}{3n^2} = \dfrac{n^2-4n-2}{3n^2}

We multiply both sides by 3n^2:

n^2-4n-2=3n^2

We move everything to one side and solve the quadratic equation:

2n^2+4n+2=0 \iff 2(n^2+2n+1)=0 \iff 2(n+1)^2=0 \iff n+1=0 \iff n=-1

We check the solution:

1=\dfrac{1}{1}+\dfrac{1+4-5}{3} \iff 1 = 1+0

which is true

8 0
3 years ago
Regina, courtney, and Ellen hiked around bear pond. Regina hiked 7/10 of the distance in an hour. Ellen hiked 3/8 of the distanc
Kitty [74]
7/10 > 3/8

I found this by first finding a common denominator, so for this it will be 40. 10 can go into 40 four times, so you do 7x4 and that is 28, so 7/10 is 28/40.
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3 years ago
An old lady sells cooked corn at a taxi rank.On particular day, she bought ejgut dozen corn and sold six dozen.How many corn was
Nimfa-mama [501]

Answer:

2 dozen hope this helps!!

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3 years ago
HELP WITH QUESTION!!!!!!!!!!!!!!!!!!!1<br> WILL MARK 10 POINTS + BRAINLIEST!!!!<br> #17
serg [7]
I graphed the function.

Remember, f(x)= y.

y= -2x^2-16x-34

The vertex was at point (-4,-2)

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