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Dvinal [7]
3 years ago
10

Multiply (2× +4)(×- 4)

Mathematics
2 answers:
enyata [817]3 years ago
8 0

Answer: 2x^2-4x-16

Step-by-step explanation:

Svet_ta [14]3 years ago
4 0

Answer:  x^4 - 16

Step-by-step explanation:

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Given the function f(x) = −3x3 + 9x2 − 2x + 3, what part of the function indicates that the left end starts at the top of the gr
shutvik [7]

Answer: The correct option is, The coefficient of the first term.

Step-by-step explanation:

The given function is,

f(x)=-3x^3+9x^2-2x+3

End behavior of the polynomial function : It is defined as the graph of f(x) as x approaches +\infty and -\infty.

The end behavior of the graph depends on the leading coefficient and degree of the polynomial.

As, the degree of the polynomial is '3'. So, the leading coefficient will determine the structure of the graph.

Therefore, the coefficient of the first term will indicate that the left end starts at the top of the graph.

The graph is also shown below.

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3 years ago
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John and Loretta Smith are in the 28% tax bracket. Their joint taxable income is $134,899. If the first $16,050 is taxed at 10%,
alexgriva [62]
0.10×16,050+0.28×(134,899−16,050) =34,882.72
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3 years ago
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Speed can be found using the formula s = d/t (d = distance, t = time). True or false
Galina-37 [17]
False, it would be d*t (distance*time)
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3 years ago
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A small airline overbooks flights on the assumption that several passengers will not show up. Suppose that the probability that
olchik [2.2K]

We have 22 tickets sold, and 20 seats. This means that at least 2 passengers must not show up (otherwise, at least 21 passengers will be present, and there wouldn't be space for them).

Considering each passenger as independent, you can think of this experiment. Suppose you toss a coin for each passenger. If the coin lands on heads, the passenger shows up. If it lands on tails, the passenger doesn't show up.

But the coin is unfair: it has a 0.91 probability of landing on heads, and thus 0.09 probability of landing on tails.

This implies that the probability of having exactly k tails is

\binom{22}{k} \cdot 0.09^k \cdot 0.91^{22-k}

We already concluded that at least two passengers must not show up. So, if our coins lands on tails less than twice, we've lost. So, the losing probability is

\displaystyle\binom{22}{0}\cdot 0.09^0 \cdot 0.91^{22} + \binom{22}{1}\cdot 0.09^1 \cdot 0.91^{21} \approx 0.39

Finally, remember the rule to negate events:

P(E) = 1-P(\lnot E)

So, if we lose with probability 0.39, we win with probability

1-0.39 = 0.61

6 0
3 years ago
Caisse can download a maximum of 1000 mb of songs or movies to her smartphone each month. the file of each movie is 85mb, and th
FinnZ [79.3K]

If Caisse can download a maximum of 1000 mb of songs or movies then the inequality that represents the number of movies and songs that Caisse downloads each month is 85x+4y<1000.

Given that Caisse can download a maximum of 1000 mb of songs or movies to her smartphone each month. the file of each movie is 85mb, and the file of each song is 4mb.

We are required to find the inequality that represents the number movies and songs that Caisse downloads each month.

Inequality is like an equation that shows the relationship between variables that are expressed in greater than, less than , greater than or equal to , less than or equal to sign.

let the number of movies be x and the number of songs be y.

According to question Caisse cannot download more than 1000 mb, so we will use less than towards equation.

It will be as under:

85x+4y<1000.

Hence if Caisse can download a maximum of 1000 mb of songs or movies then the inequality that represents the number of movies and songs that Caisse downloads each month is 85x+4y<1000.

Learn more about inequality at brainly.com/question/11613554

#SPJ1

5 0
2 years ago
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