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3 years ago

What is an expression equivalent to 5x+10 using the distributive property?

Mathematics

1 answer:

Crank3 years ago

5 0

Answer:

5x + 10

Step-by-step explanation:

I did the math and checked. :)

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An analyst in Bank of America, Santa Clara University Branch, believes that on Mondays customers arrive at the bank with rate 50

Aleksandr-060686 [28]

Answer:

0.0821

Step-by-step explanation:

If the arrival rate is 50 customers per hour (60 minutes), then the expected number of customers in 3 minutes is:

$\lambda=\frac{50}{60}*3\\ \lambda=2.5\ customers/3\ minutes$

Assuming a Poisson distribution with 2.5 customers per 3 minutes, the probability that zero customers arrive for 3 minutes is:

$P(x=k)=\frac{\lambda^k*e^{-\lambda}}{k!}\\P(x=0)=\frac{2.5^0*e^{-2.5}}{0!}\\ P(x=0)=0.0821$

The probability that the bank stays empty for three minutes is 0.0821.

6 0

3 years ago

2(s+2)=4(s+2) Need Steps!

slega [8]

Answer:

s = -2

Step-by-step explanation:

2(s+2)=4(s+2)

2s + 4 = 4s + 8

2s - 4s = 8 - 4

-2s + 4

s = -2

5 0

3 years ago

Read 2 more answers

Please help fast! Rosa's friend Jake claims that he can read minds. To test Jake's abilities, Rosa chooses 3 different numbers

grigory [225]

Jake's guesses are illustrations of probabilities.

The probability that Jake's guesses are correct is 1/720

The sample size is:

$\mathbf{n = 10}$ --- 10 different numbers

The probability that Jake's guesses are correct is as follows:

1st guess = 1/10
2nd guess = 1/9
3rd guess = 1/8

So, the required probability is:

$\mathbf{Pr = \frac{1}{10} \times \frac 19 \times \frac 18}$

$\mathbf{Pr = \frac{1}{720} }$

Hence, the probability that Jake's guesses are correct is 1/720

Read more about probabilities at:

brainly.com/question/11234923

5 0

3 years ago

A novelist can write 2 1/4 pages in 3/4 hours. EXPRESS HER WRITING SPEED AS A UNIT RATE

MissTica

Answer:1/30 page per minute

Step-by-step explanation:

2 1/2 pages =3/2 pages.

3/4 hrs=45 minutes

Hence the number pages he can type per minute =3/2 pages/45 minutes=3/2×1/45=1/30page per minute

5 0

3 years ago

In the band there are twice as many tubas as French horns and three more trumpets than tubas. Five times the number of trumpets

GenaCL600 [577]

Answer:

3 French horns

6 tubas

9 trumpets

Step-by-step explanation:

Let the number of French horns be x.

Number of French horns = x

There are twice as many tubas as French horns, so

Number of tubas = 2x

There are three more trumpets than tubas, so

Number of trumpets = 2x + 3

Five times the number of trumpets equals nine times the number of French horns, plus triple the number of tubas, so

$5(2x+3)=9x+3\cdot 2x\\ \\10x+15=9x+6x\\ \\10x+15=15x\\ \\15=15x-10x\\ \\15=5x\\ \\x=3\\ \\2x=6\\ \\2x+3=6+3=9$

8 0

3 years ago

What is an expression equivalent to 5x+10 using the distributive property?​

What is an expression equivalent to 5x+10 using the distributive property?