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joja [24]
2 years ago
6

I need to get this done, please help

Mathematics
1 answer:
kicyunya [14]2 years ago
6 0

The expression that is a sum of cubes is given as follows:

-27a^3b^6 + 8a^9b^12

<h3>What is a sum of cubes?</h3>

An expression that is a sum of cubes is given as follows:

a³ + b³.

For the sum, all numeric factors have to be powers of 3, while all exponents have to be multiples of 3. Hence the expression that is a sum of cubes is given as follows:

-27a^3b^6 + 8a^9b^12

More can be learned about a sum of cubes at brainly.com/question/26726803

#SPJ1

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Find the Value of x<br><br> Please answer!!<br> No links!!
statuscvo [17]

Answer:

x = 15 inches

Step-by-step explanation:

a^{2} +b^{2} =c^{2} \\b^{2} = c^{2} - a^{2} \\b^{2}  = (25 inches)^{2} - (40 inces/2)^{2} = \sqrt{225}  = 15 inches

4 0
3 years ago
Can you guys please help me with this. It is graded. Thanks.
telo118 [61]
The answer is C, $8.15
7 0
3 years ago
Read 2 more answers
A certain restaurant always overbooks. If possible. At 7:00 pm the restaurant can seat 50 parties, but takes reservations for 53
oee [108]

Answer:

The probability that the restaurant can accommodate all the customers who do show up is 0.3564.

Step-by-step explanation:

The information provided are:

  • At 7:00 pm the restaurant can seat 50 parties, but takes reservations for 53.
  • If the probability of a party not showing up is 0.04.
  • Assuming independence.

Let <em>X</em> denote the number of parties that showed up.

The random variable X follows a Binomial distribution with parameters <em>n</em> = 53 and <em>p</em> = 0.96.

As there are only 50 sets available, the restaurant can accommodate all the customers who do show up if and only if 50 or less customers showed up.

Compute the probability that the restaurant can accommodate all the customers who do show up as follows:

P(X\leq 50)=1-P(X>50)\\=1-P(X=51)-P(X=52)-P(X=53)\\=1-[{53\choose 51}(0.96)^{51}(0.04)^{53-51}]-[{53\choose 52}(0.96)^{52}(0.04)^{53-52}]\\-[{53\choose 53}(0.96)^{53}(0.04)^{53-53}]\\=1-0.27492-0.25377-0.11491\\=0.3564

Thus, the probability that the restaurant can accommodate all the customers who do show up is 0.3564.

7 0
3 years ago
Hellpp and thanks!!
kherson [118]

Answer:

c = 4n

Step-by-step explanation:

5 0
3 years ago
Factor complete m2+m-20
Anna [14]
Hi there!
I'm going to assume you mean m^2 + m - 20.
The factor of this is (m + 5)(m - 4)
And I found this by finding what two numbers add to 1 and multiply to -20, which is 5 and -4.

Now if you FOIL this, (First, outer, inner, last terms) you should come to the initial equation.
(m + 5) * (m-4)
m * m = m^2
5 * m = 5m
m * -4 = -4m
5 * -4 = -20
So, in combining like terms, you'd get m^2 + 1m -20.

http://www.mathwarehouse.com/algebra/factor/how-to-factor-trinomials-step-by-step.php - This link might help you figure out how to factor. Good luck!
3 0
3 years ago
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